Kasparov-Deep Thought 1997 (second game)

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Lyudmil Tsvetkov
Posts: 6052
Joined: Tue Jun 12, 2012 12:41 pm

Re: Kasparov-Deep Thought 1997 (second game)

Post by Lyudmil Tsvetkov »

Dann Corbit wrote:Here are my analysis records for the game:

Code: Select all

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - acd 53; acs 4579200; bm d4; c0 "e4"; c2 "perft 1 20 perft 2 400 perft 3 8902 perft 4 197281 perft 5 4865609 perft 6 119060324"; c3 "e4"; c4 "c4"; cce 38; ce 24; id "Fundamental Opening Position"; pm e4 {2379495} d4 {1725526} Nf3 {483679} c4 {479713} g3 {39820} f4 {35589} b3 {27764} Nc3 {13010} e3 {2686} b4 {2458} g4 {2450} c3 {1654} d3 {1649} a3 {1150} h3 {717} a4 {552} h4 {425} f3 {363} Nh3 {82} Na3 {28}; pv d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3; white_wins 1826279; black_wins 1425008; draws 1430947; Opening Fundamental opening position; 
rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq - acd 48; acs 212911; bm e6; c0 "d5"; c3 "e5"; c4 ""; cce -38; ce -16; id "es-dc-neutral.0005"; pm c5 {1218905} e5 {412609} e6 {257916} c6 {204175} d5 {78062} d6 {71821} g6 {57457} Nf6 {46929} Nc6 {20542} b6 {4882} a6 {1853} g5 {987} h6 {878} a5 {501} h5 {447} Na6 {410} f6 {336} f5 {276} Nh6 {273} b5 {241}; pv e6 d4 d5 Nd2 c5 Ngf3 Nf6 exd5 exd5 Bb5+ Bd7 Bxd7+ Nbxd7 O-O Be7 dxc5 Nxc5 Nb3 Nce4 Nfd4 O-O Nf5 Re8 Nxe7+ Rxe7 Nd4 Rc8 Re1 Nd6 Rxe7 Qxe7 Bf4 a6 Bxd6 Qxd6 c3 g6 g3 Ne4 Kg2 Qb6 Qb3 Qxb3; white_wins 874667; black_wins 685852; draws 642462; Opening ECO:B00; Opening: King's pawn opening; 1. e4 *; 
rnbqkbnr/pppp1ppp/8/4p3/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - acd 39; acs 1986; bm Nf3; c3 "Nf3"; cce 39; ce 15; id "es-dc-neutral.0003"; pm Nf3 {353642} Bc4 {17694} Nc3 {17350} f4 {14760} d4 {3628} b3 {3002} g3 {509} a3 {392} d3 {250} Ne2 {224} Bb5 {222} c4 {214} c3 {199} h3 {93} Be2 {87} Qh5 {75} f3 {71} Qf3 {49} a4 {46} Bd3 {30} b4 {18} h4 {16} g4 {15} Nh3 {13} Qe2 {9} Na3 {3} Ba6 {1} Ke2 {1} Qg4 {1}; pv Nf3 Nc6 Bb5 Nf6 d3 Bc5 Bxc6 dxc6 O-O Bd6 a4 O-O Na3 Be6 Qe2 Qe7 b3 a6 Nc4 Nd7 h3 f5 Bb2 Bxc4 dxc4 Rae8 Nd2 f4 Nf3 Rd8 Rfd1 g6 c3 Kg7 b4 c5 b5 Nf6 bxa6 bxa6; white_wins 152711; black_wins 118397; draws 123323; Opening King Pawn Game: General. 1.e4 e5; CaxtonID: 971; ECO: C20; 
rnbqkbnr/pppp1ppp/8/4p3/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - acd 40; acs 3572; bm Nc6; c3 "Nc6"; cce -43; ce -22; pm Nc6 {305788} Nf6 {35603} d6 {7699} f5 {2080} d5 {1387} Qe7 {589} Qf6 {250} Bd6 {55} Bc5 {38} f6 {35} a6 {29} c6 {25} b6 {18} Be7 {16} g6 {14} Bb4 {10} a5 {8} c5 {8} Ne7 {3} h5 {3} h6 {3} Ke7 {1} Na6 {1} Nh6 {1} Qh4 {1} b5 {1}; pv Nc6 Bc4 Nf6 d3 Bc5 O-O O-O c3 d6 Bg5 h6 Bh4 g5 Bg3 a5 Nbd2 Rb8 Bb3 Kg7 Nc4 b5 Ne3 Bb6 Bc2 Re8 a4 b4 h3 Bd7 Re1 Ba7 Bb3 Nh5 Nxe5 Nxg3 Nxd7 Qxd7 fxg3 Bxe3+ Rxe3 f5 Re1 bxc3 bxc3 fxe4; white_wins 131414; black_wins 98705; draws 109855; Opening King's Knight Opening: General. 1.e4 e5 2.Nf3; CaxtonID: 1239; ECO: C40; 
r1bqkbnr/pppp1ppp/2n5/4p3/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - acd 39; acs 1919; bm Bb5; c3 "Bb5"; cce 40; ce 16; pm Bb5 {211404} Bc4 {44650} d4 {31948} Nc3 {20016} c3 {3337} Be2 {286} a3 {198} b3 {190} c4 {178} d3 {177} h3 {112} g3 {58} b4 {7} Bd3 {6} Nd4 {6} Ng1 {3} Nxe5 {3} Qe2 {3} Ng5 {1} g4 {1}; pv Bb5 Nf6; white_wins 116369; black_wins 89281; draws 93813; Opening King's Knight Opening: Normal Variation. 1.e4 e5 2.Nf3 Nc6; CaxtonID: 1241; ECO: C44; 
r1bqkbnr/pppp1ppp/2n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R b KQkq - acd 39; acs 2630; bm a6; c3 "a6"; c4 "(KLOP) p77"; cce -47; ce -23; pm a6 {157048} Nf6 {33689} Bc5 {6360} f5 {4324} d6 {3355} g6 {2496} Nge7 {1710} Nd4 {1698} Bb4 {169} Bd6 {165} Be7 {121} Qf6 {74} a5 {63} g5 {54} Qe7 {43} f6 {17} d5 {12} Nce7 {8} h6 {7} b6 {5} Na5 {3} h5 {2} Nb8 {1}; pv a6 Ba4 b5 Bb3 Bb7 O-O Nf6 d3 Bc5 Nc3 d6 a3 O-O Nd5 Nxd5 Bxd5 Qc8 Bb3 a5 a4 b4 c3 bxc3 bxc3 Ne7 Re1 Rb8 d4 exd4 cxd4 Bb4 Bd2 Ba6 Rc1 c6 Ba2 Qc7 Qc2 Bxd2 Qxd2 Rb4 e5 Rfb8 exd6 Qxd6 Rc5 Rxa4; white_wins 79577; black_wins 58273; draws 64164; Opening Spanish Game: General. 1.e4 e5 2.Nf3 Nc6 3.Bb5; CaxtonID: 2432; ECO: C60; 
r1bqkbnr/1ppp1ppp/p1n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R w KQkq - acd 38; acs 600; bm Ba4; c3 "Ba4"; c4 "Ba4"; cce 47; ce 19; pm Ba4 {136948} Bxc6 {19761} Bc4 {320} Be2 {20} a4 {4} Bd3 {2} Ke2 {2} Bxa6 {1} d4 {1}; pv Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Bd6 Nbd2 Be6 b3 O-O a4 Nd7 Bb2 f6 h3 Qe7 Re1 Bf7 Nh4 g6 Nhf3 Nc5 d4 exd4 Bxd4 Nd7 Qe2 Rad8 Rad1 c5 Bb2 Ne5 Nxe5 Bxe5 Bxe5 Qxe5; white_wins 59239; black_wins 43331; draws 48135; Opening ECO:C68a; Spanish: 3...a6; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 *; 
r1bqkbnr/1ppp1ppp/p1n5/4p3/B3P3/5N2/PPPP1PPP/RNBQK2R b KQkq - acd 41; acs 3514; bm Nf6; c3 "Nf6"; c4 "Nf6"; cce -51; ce -28; id "kai_openings_nr_1"; pm Nf6 {118482} d6 {11423} Bc5 {2590} b5 {2250} Be7 {755} Nge7 {385} f5 {379} g6 {211} Bd6 {202} Qf6 {96} h6 {73} Bb4 {53} Nd4 {31} d5 {7} f6 {7} Na5 {1} Qg5 {1} b6 {1} g5 {1} h5 {1}; pv Nf6 O-O b5 Bb3 Bb7 d3 Bc5 Bg5 O-O Re1 Be7 Nc3 h6 Bc1 Bc5 Nd5 Ng4 Ne3 Nxe3 Bxe3 Bxe3 Rxe3 d6 Bd5 Rb8 c3 a5 a4 b4 Nd2 Ne7 Bxb7 Rxb7 Nc4 Qa8 d4 bxc3 Rxc3 exd4 Qxd4 f6 Rg3; white_wins 52864; black_wins 37628; draws 41923; Opening Spanish Game: Morphy Defense. 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4; CaxtonID: 2440; ECO: C70; 
r1bqkb1r/1ppp1ppp/p1n2n2/4p3/B3P3/5N2/PPPP1PPP/RNBQK2R w KQkq - acd 36; acs 491; bm O-O; c3 "O-O"; c4 "O-O"; cce 49; ce 17; pm O-O {105786} d3 {4527} Qe2 {3142} d4 {2230} Nc3 {1283} Bxc6 {928} c3 {574} Kf1 {7} a3 {6} Bb3 {5} c4 {3} Bb5 {2} Rf1 {1}; pv O-O b5 Bb3 Bb7 d3 Be7 a3 d6 Nbd2 O-O Re1 Re8 Nf1 Qd7 Ng3 Nd8 c3 c5 h3 Rc8 a4 Ne6 Be3 h6 Bc2 b4 a5 bxc3 bxc3 Bc6 Bb3 Rb8 Bc4 Bb5 Bxb5 Rxb5 Nf5 Rb2; white_wins 45328; black_wins 32594; draws 36938; Opening ECO:C77; Opening: Ruy Lopez; Variation Morphy defence; 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 *; 
r1bqkb1r/1ppp1ppp/p1n2n2/4p3/B3P3/5N2/PPPP1PPP/RNBQ1RK1 b kq - acd 37; acs 2577; bm Be7; c3 "Be7"; c4 "Be7"; cce -53; ce -23; id "kai_openings_nr_2"; pm Be7 {77956} b5 {13678} Nxe4 {9401} Bc5 {3068} d6 {1607} Bd6 {193} Ng4 {16} Ng8 {4} Bb4 {2} d5 {2} Ke7 {1} h6 {1}; pv Be7 d3 b5 Bb3 O-O a4 b4 a5 d6 Be3 h6 Qe2 Ng4 Bd2 Bd7 h3 Nf6 Be3 Be6 Nbd2 Bxb3 Nxb3 Re8 Nh2 Qc8 Bd2 Qd7 f4 Nd4 Nxd4 exd4 Bxb4 Qb5 Ba3 c5 e5 dxe5 fxe5 Nd5; white_wins 41176; black_wins 28844; draws 32709; Opening Spanish Game: Morphy Defense. 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O; CaxtonID: 2441; ECO: C78; 
r1bqk2r/1pppbppp/p1n2n2/4p3/B3P3/5N2/PPPP1PPP/RNBQ1RK1 w kq - acd 43; acs 9840; bm Re1; c3 "Re1"; c4 "Re1"; cce 52; ce 14; id "com.10"; pm Re1 {64371} Bxc6 {6082} Nc3 {2798} d3 {2031} Qe2 {1628} d4 {1295} c3 {113} Bb3 {74} c4 {33} Qe1 {9} h3 {4} Ne1 {1}; pv Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 a3 g6 Ba2 Bg7 b4 exd4 cxd4 a5 Ng5 d5 e5 Nxd4 Bb2 Nf5 exf6 Rxe1+ Qxe1 Bxf6 Bxf6 Qxf6 Ngf3 axb4 axb4 Qb2 g4 Nd6 Qb1 Qxb1+ Nxb1 Kg7 Nbd2 Ra4 g5 Rxb4 Nb3 d4 Ne5 Bd5 Nc5 Bxa2 Rxa2; white_wins 30426; black_wins 21560; draws 24444; Opening Spanish Game: Closed Variations. 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7; CaxtonID: 2387; ECO: C84; 
r1bqk2r/1pppbppp/p1n2n2/4p3/B3P3/5N2/PPPP1PPP/RNBQR1K1 b kq - acd 41; acs 1549; bm b5; c3 "b5"; c4 "b5"; cce -58; ce -33; pm b5 {61675} d6 {2140} O-O {529} Bc5 {12} b6 {8} h6 {4} Bf8 {3} d5 {1}; pv b5 Bb3; white_wins 25578; black_wins 17339; draws 19804; Opening ECO:C87a; Spanish: Closed, 6.Re1; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 *; 
r1bqk2r/2ppbppp/p1n2n2/1p2p3/B3P3/5N2/PPPP1PPP/RNBQR1K1 w kq - acd 37; acs 13; bm Bb3; c3 "Bb3"; c4 "Bb3"; cce 56; ce 7; id "C.A.P. 442611"; pm Bb3 {61657} c3 {9} h3 {9} Bxb5 {1}; pv Bb3 d6 c3 O-O d3 Na5 Bc2 c5 Nbd2 Be6 Nf1 Nc6 Ng5; white_wins 24293; black_wins 16668; draws 19169; Opening ECO:C88a; Spanish: Closed, 6...b5; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 *; 
r1bqk2r/2ppbppp/p1n2n2/1p2p3/4P3/1B3N2/PPPP1PPP/RNBQR1K1 b kq - acd 41; acs 3423; bm O-O; c3 "d6"; c4 "d6"; cce -57; ce -25; pm d6 {35863} O-O {27297} Bb7 {526} h6 {104} d5 {14} Bc5 {12} Na5 {4} a5 {2} b4 {2} Bb4 {1} Nxe4 {1} Rg8 {1}; pv O-O c3 d6 h3 Na5 Bc2 c5 d4 Nd7 Nbd2 exd4 cxd4 Re8 Nf1 Nc6 a4 Bb7 Ne3 cxd4 Nxd4 Nxd4 Qxd4 Nc5 Nd5 Nxa4 Bxa4 bxa4 Rxa4 Bc6 Rb4 Bxd5 Qxd5 Rb8 Ra4 Rb5 Qd3 Qc8 Be3 Bf6 Bd4 Be5 Bxe5 dxe5 b3 f6 Qc4+ Kh8; white_wins 25197; black_wins 17159; draws 19880; Opening ECO:C88; Opening: Ruy Lopez; Variation closed; 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 *; 
r1bqk2r/2p1bppp/p1np1n2/1p2p3/4P3/1B3N2/PPPP1PPP/RNBQR1K1 w kq - acd 37; acs 379; bm c3; c3 "c3"; c4 "c3"; cce 59; ce 19; id "15861"; pm c3 {33095} a4 {1300} d3 {496} h3 {489} Nc3 {363} d4 {169} Bd5 {79} a3 {78} Ng5 {4} c4 {4} Na3 {1} Qe2 {1}; pv c3 O-O h3 Na5 Bc2 c5 d4 Nd7 d5 Nb6 Nbd2 Bb7 b3 f5 Nf1 f4 N1d2 Bc8 Qe2 Bd7 Ba3 Qc7 Reb1 Rab8 Qf1 Bf6 c4 bxc4 bxc4 Na4 Qd3 Rxb1+ Rxb1 Rb8 Rxb8+ Qxb8 Bc1 Qe8 Kh1 Be7 Qe2; white_wins 14220; black_wins 9553; draws 11562; Opening ECO:C88c; Spanish: Closed 7...d6; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 *; 
r1bqk2r/2p1bppp/p1np1n2/1p2p3/4P3/1BP2N2/PP1P1PPP/RNBQR1K1 b kq - acd 37; acs 574; bm O-O; c3 "O-O"; c4 "O-O"; cce -61; ce -9; pm O-O {31642} Na5 {705} Bg4 {605} Be6 {215} Bb7 {30} h6 {29} Nb8 {28} Rb8 {7} Bd7 {6} Nd7 {4} Qd7 {2} a5 {2} Na7 {1} Nb4 {1} Rf8 {1}; pv O-O d4 Bg4 Be3 exd4 cxd4 Na5 Bc2 Nc4 Bc1 c5 b3 Na5 d5 Nd7 Nc3 Bf6; white_wins 13259; black_wins 8754; draws 10572; Opening ECO:C88d; Spanish: Closed 7...d6 8.c3; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 *; 
r1bq1rk1/2p1bppp/p1np1n2/1p2p3/4P3/1BP2N2/PP1P1PPP/RNBQR1K1 w - - acd 37; acs 427; bm h3; c3 "h3"; c4 "h3"; cce 60; ce 19; pm h3 {27403} d4 {7983} d3 {3133} a4 {2049} Na3 {315} a3 {198} Bd5 {87} Bc2 {74} Qe2 {44} Ng5 {2} h4 {2} Bxf7+ {1}; pv h3 Na5 Bc2 c5 d4 Nd7 d5 Nb6 Nbd2 Bd7 Nf1 Qc7 b3 Nb7 Ne3 c4 Qe2 h6 Bd2 Nc5 b4 Nca4 Rab1 Rfc8 a3 Re8 Rbd1 Rad8 Kh2 Ra8 Ra1 Rad8 Rab1 Bf6 Kh1 Be7 Rbd1 Bf6 Ra1 Nb2 Reb1; white_wins 16312; black_wins 10846; draws 13169; Opening Spanish Game: Closed Variations. Closed Defense 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6; CaxtonID: 2399; ECO: C90; 
r1bq1rk1/2p1bppp/p1np1n2/1p2p3/4P3/1BP2N1P/PP1P1PP1/RNBQR1K1 b - - acd 41; acs 1673; bm Re8; c3 "h6"; c4 "Nb8"; cce -77; ce -22; pm Na5 {11681} Bb7 {7391} Nb8 {4131} Nd7 {1460} Re8 {1395} h6 {1133} Be6 {760} a5 {480} Qd7 {194} Rb8 {127} Bd7 {104} d5 {13} Kh8 {5} Nh5 {2} Qe8 {1}; pv Re8 Ng5; white_wins 11913; black_wins 7012; draws 9169; Opening Spanish Game: Closed Variations. General 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3; CaxtonID: 2403; ECO: C92; 
r1bq1rk1/2p1bpp1/p1np1n1p/1p2p3/4P3/1BP2N1P/PP1P1PP1/RNBQR1K1 w - - acd 36; acs 602; bm d4; c3 "d4"; cce 68; ce 48; id "C.A.P. 442146"; pm d4 {1067} d3 {59} a4 {16} Bc2 {1} Na3 {1} a3 {1}; pv d4 Re8 Nbd2 Bd7 Nf1 a5 d5 Nb8 a4 b4 c4 Na6 Bc2 Nc5 Ng3 Rb8 b3 c6 Be3 Qb6 Qd2 Rbd8 Rad1 Bf8 Nh4 Qc7 Rc1 Rc8 Nf3 Rcd8 Qe2 Qb6 Ra1 Qc7 Rab1 Rc8 Qd2 cxd5 exd5 Rcd8; white_wins 431; black_wins 264; draws 389; Opening Spanish Game: Closed Variations. Smyslov Defense 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6; CaxtonID: 2412; ECO: C93; 
r1bq1rk1/2p1bpp1/p1np1n1p/1p2p3/3PP3/1BP2N1P/PP3PP1/RNBQR1K1 b - - acd 36; acs 272; bm Re8; c3 "Re8"; cce -62; ce -40; pm Re8 {945} Bb7 {177} Bd7 {17} exd4 {8} Qd7 {6} Na5 {3} Rb8 {2}; pv Re8; white_wins 431; black_wins 279; draws 387; Opening ECO:C93; Spanish: Closed, Smyslov, 10.d4; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 *; 
r1bqr1k1/2p1bpp1/p1np1n1p/1p2p3/3PP3/1BP2N1P/PP3PP1/RNBQR1K1 w - - acd 36; acs 932; bm Nbd2; c3 "Nbd2"; cce 66; ce 31; id "16071"; pm Nbd2 {768} Be3 {154} a4 {94} Bc2 {18} a3 {17} d5 {11} Qd3 {9} Bd2 {7} dxe5 {7} Na3 {3} c4 {3} Bd5 {2} Nfd2 {1}; pv Nbd2 Bd7 Nf1 a5 Ng3 a4 Bc2 Bf8 Bd2 Qc8 Be3 Qb8 Qd2 Qb7 Rab1 Red8 Red1 Re8 Rbc1 Na5 b3 c5 d5 Rec8 Qe2 b4 c4 Rcb8 Re1 Qa6 Rb1 axb3 axb3 Nb7 Nh2 Qa2 Nf3 Re8 Qd1; white_wins 419; black_wins 263; draws 369; Opening ECO:C93; Spanish: Closed, Smyslov, 10.d4 Re8; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 *; 
r1bqr1k1/2p1bpp1/p1np1n1p/1p2p3/3PP3/1BP2N1P/PP1N1PP1/R1BQR1K1 b - - acd 38; acs 900; bm Bd7; c3 "Bf8"; cce -77; ce -27; pm Bf8 {675} Bb7 {53} exd4 {20} Bd7 {15} Rb8 {5} Qd7 {2}; pv Bd7 Nf1 a5 Bc2 a4 Be3 Bf8 Ng3 Qb8 Qd2 Qb7 Reb1 Ra6 Rc1 Raa8 Rab1 Rad8 Rd1 Ra8 Kh2 Na5 b3 c5 d5 axb3 axb3 Reb8 Kg1 Be7 Re1 Qc8 Qd1 Bd8 Qe2 Qb7 Ra1 Bb6 Rad1 Qc7; white_wins 307; black_wins 178; draws 261; Opening ECO:C93; Spanish: Closed, Smyslov, 10.d4 Re8 11.Nbd2; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 *; 
r1bqrbk1/2p2pp1/p1np1n1p/1p2p3/3PP3/1BP2N1P/PP1N1PP1/R1BQR1K1 w - - acd 36; acs 480; bm Nf1; c3 "Nf1"; cce 67; ce 20; pm Nf1 {365} Bc2 {146} a3 {79} a4 {61} d5 {31} dxe5 {3}; pv Nf1 exd4 cxd4 a5 Bc2 Nb4 Bb1 c5 Bd2 Nd7 Ng3 Nc6 a4 Nxd4 Nxd4 cxd4 axb5 Qb6 b4 Qxb5 Bc2 Qb7 Rb1 Qc7 Nf5 axb4 Bxb4 g6 Nxd4 Nc5 Nb5 Qc6 Bc3 Ba6 Qd4 Re5 Qb4 Ne6 Nd4 Qc5 Nxe6 Rxe6 Qxc5; white_wins 266; black_wins 165; draws 238; Opening ECO:C93; Spanish: Closed, Smyslov, 10.d4 Re8 11.Nbd2 Bf8; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 *; 
r1bqrbk1/2p2pp1/p1np1n1p/1p2p3/3PP3/1BP2N1P/PP3PP1/R1BQRNK1 b - - acd 36; acs 851; bm Bd7; c3 "Bd7"; ce -28; pm Bd7 {182} Bb7 {151} exd4 {20} Na5 {6} g6 {6}; pv Bd7 Ng3 Na5 Bc2 Nc4 b3 Nb6 a4 bxa4 bxa4 a5 Bd3 Bc6 Bd2 Qd7 Qb1 g6 Qc1 Kh7 Be3 Bxa4 Qb2 Rab8 Qa2 c5 Nd2 exd4 cxd4 c4 Nxc4 Nxc4 Qxc4 Bb5 Qc2 Bxd3 Qxd3 Kg8 Rab1 a4 d5 Rxb1 Rxb1 Qc7 Bd2;Opening C93  Spanish: Closed, Smyslov, 12.Nf1; 
r2qrbk1/2pb1pp1/p1np1n1p/1p2p3/3PP3/1BP2N1P/PP3PP1/R1BQRNK1 w - - acd 37; acs 751; bm Ng3; c3 "Ng3"; cce 95; ce 37; id "16063"; pm Ng3 {136} Bc2 {38} d5 {13} dxe5 {5} Qd3 {1}; pv Ng3 Na5 Bc2 c5 d5 Qc7 b3 c4 Nh4 g6 Be3 Nb7 b4 a5 a3 Nh7 Nf3 h5 Rb1 Nf6 Rf1 Bg7 Qc1 Nh7 Qb2 Nf6 Rbe1 Qd8 Rd1 Ra6 Ne2 Qc7 Ra1 Rea8 Rfe1 Qd8 Ng3 Qc8; white_wins 73; black_wins 37; draws 58; Opening ECO:C93; Spanish: Closed, Smyslov, 12.Nf1 Bd7; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 *; 
r2qrbk1/2pb1pp1/p1np1n1p/1p2p3/3PP3/1BP2NNP/PP3PP1/R1BQR1K1 b - - acd 31; acs 91; bm Na5; c3 "Na5"; cce -120; ce -40; pm Na5 {119} g6 {7} Qc8 {5} exd4 {4} Rb8 {3} g5 {2}; pv Na5 Bc2 c5 b3 Nc6 d5 Ne7 Be3 Ng6 Qd2 Qc7 c4 bxc4 bxc4 Reb8 Qd3 Ra7 Bd2 Rab7 Qa3 Qc8 Rac1 Rb6 Nf5 R6b7 Kh2 Nf4 Qxa6 Ra8 Nxd6 Rxa6 Nxc8 Bxc8 Nxe5; white_wins 59; black_wins 26; draws 37; 
r2qrbk1/2pb1pp1/p2p1n1p/np2p3/3PP3/1BP2NNP/PP3PP1/R1BQR1K1 w - - acd 31; acs 54; bm Bc2; c3 "Bc2"; cce 120; ce 47; pm Bc2 {113} Be3 {3} dxe5 {2}; pv Bc2 c5 d5 Qc7 Nh4 g6 b3 c4 b4 Nb7 Be3 a5 a3 Ra6 Rb1 Rea8 Qd2 Kh7 f4 axb4 axb4 Ra2 Rf1 Bg7 Nf3 R8a3 Rf2 Nxe4 Nxe4 f5 Nxd6 Nxd6 Nxe5 Ne4; white_wins 51; black_wins 23; draws 30; 
r2qrbk1/2pb1pp1/p2p1n1p/np2p3/3PP3/2P2NNP/PPB2PP1/R1BQR1K1 b - - acd 32; acs 66; bm c5; c3 "c5"; cce -119; ce -42; pm c5 {83} Nc4 {34} g6 {3} c6 {2} exd4 {1}; pv c5 d5 Nc4 b3 Nb6 Bd3 c4 Be2 Qc7 Be3 Reb8 Qc1 Be7 Nd2 cxb3 axb3 a5 Qb2 Bd8 Rec1 a4 bxa4 Nxa4 Qb4 Nc5 Rcb1 Rxa1 Rxa1 Rc8 Ra3 Rb8 Qb2 Qb6 Ra1; white_wins 53; black_wins 24; draws 31; 
r2qrbk1/3b1pp1/p2p1n1p/npp1p3/3PP3/2P2NNP/PPB2PP1/R1BQR1K1 w - - acd 31; acs 69; bm b3; c3 "b3"; cce 121; ce 39; pm b3 {37} d5 {34} Bd3 {3} dxe5 {3} Nf5 {1} a3 {1} a4 {1} dxc5 {1}; pv b3 Nc6 d5 Ne7 c4 Ng6 Bb2 Nf4 Rb1 Rc8 a3; white_wins 39; black_wins 17; draws 25; Opening ECO:C93; Spanish: Closed, Smyslov, 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5; 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5 *; 
r2qrbk1/3b1pp1/p2p1n1p/npp1p3/3PP3/1PP2NNP/P1B2PP1/R1BQR1K1 b - - acd 31; acs 42; bm Nc6; c3 "Nc6"; cce -89; ce -36; pm Nc6 {20} cxd4 {7} g6 {5} Qc7 {3} Rc8 {2} Kh8 {1} exd4 {1}; pv Nc6 d5 Ne7 Be3 Ng6 Qd2 Be7 a4 Nh7 Bd3 Nh4 Nxh4 Bxh4 Qe2 Bxg3 fxg3 bxa4 bxa4 Qa5 Qc2 Qc7 g4 Reb8 a5 Bb5 c4 Bd7 Rf1 Rb7 Bd2 Rab8 Rab1 Nf6 Rxb7 Qxb7 g5 hxg5 Bxg5; white_wins 16; black_wins 9; draws 10; 
r2qrbk1/3b1pp1/p1np1n1p/1pp1p3/3PP3/1PP2NNP/P1B2PP1/R1BQR1K1 w - - acd 31; acs 56; bm d5; c3 "d5"; cce 0; ce 42; pm d5 {17} Bb2 {2} Be3 {2}; pv d5 Ne7 Be3 Ng6 Qd2 a5 a4 bxa4 bxa4 Rb8 Rec1 Qc7 Qd1 Rb7 Nd2 Reb8 Nc4 Be7 Rcb1 Rxb1 Rxb1 Rxb1 Qxb1 Bd8 Bd2 Nf4 Qd1 Ng6 Qf3 Nh4 Qe2 Qb8 Nh5 Nxh5 Qxh5 Qc7 f4 exf4 Bxf4 Be7; white_wins 8; black_wins 8; draws 5; 
r2qrbk1/3b1pp1/p1np1n1p/1ppPp3/4P3/1PP2NNP/P1B2PP1/R1BQR1K1 b - - acd 31; acs 154; bm Ne7; c3 "Ne7"; cce -0; ce -33; pm Ne7 {15} Na5 {2}; pv Ne7 Be3 Ng6 Qc1 Be7 a4 Qc7 Qd1 Nh7 Nf5 Bf8 b4 Nf6 Ng3 cxb4 cxb4 Rac8 Bb3 Qb7 a5 Rc3 Bd2 Rc7 Rc1 Rec8 Rxc7 Rxc7 Nh2 Nf4 Ng4 Nxg4 hxg4; white_wins 6; black_wins 6; draws 4; 
r2qrbk1/3bnpp1/p2p1n1p/1ppPp3/4P3/1PP2NNP/P1B2PP1/R1BQR1K1 w - - acd 31; acs 237; bm Be3; c3 "Be3"; cce 0; ce 38; pm Be3 {13} c4 {2}; pv Be3 Ng6 Qd2 Nh7 b4 cxb4 cxb4 Be7 a4 Ng5 Nh2 Nh4 Qe2 Qc8 Rec1 Qb7 axb5 axb5 Bd3 f5 exf5 e4 Nxe4 Qxd5 f3 Nxf5 Nc3 Qe6 Bd2 Rxa1 Rxa1 Qxe2 Nxe2 Bf6; white_wins 5; black_wins 5; draws 4; 
r2qrbk1/3bnpp1/p2p1n1p/1ppPp3/4P3/1PP1BNNP/P1B2PP1/R2QR1K1 b - - acd 31; acs 137; bm Ng6; c3 "Ng6"; cce -34; ce -37; pm Ng6 {10} Kh8 {1} Nc8 {1} Qc7 {1}; pv Ng6 Qc1 Be7 c4 bxc4 bxc4 a5 Bd2 Qc7 Nf5 Bf8 g3 Ne7 Bc3 Nxf5 exf5 Be7 Nd2 Rab8 Qd1 Bd8 Qe2 a4 Qe3 Nh7 h4 Nf6 Rab1 Rxb1 Rxb1 Qa7 a3 Ba5 Ne4 Nxe4; white_wins 5; black_wins 4; draws 4; 
r2qrbk1/3b1pp1/p2p1nnp/1ppPp3/4P3/1PP1BNNP/P1B2PP1/R2QR1K1 w - - acd 31; acs 113; bm Qd2; c3 "Qd2"; cce -44; ce 29; pm Qd2 {10}; pv Qd2 Nh7 a4 Be7 Bd3 Qc7 Nf5 Bf8 Bf1 Qd8 Ng3 Be7 Qc2 Qc7 Nf5 Bf6 Ra2 Reb8 a5 Re8 Bd2 Ng5 Nh2 Nh7 c4 bxc4 Bxc4 Bg5 Ng4 Bxd2 Qxd2 Nf4 Nge3; white_wins 3; black_wins 4; draws 3; 
r2qrbk1/3b1pp1/p2p1nnp/1ppPp3/4P3/1PP1BNNP/P1BQ1PP1/R3R1K1 b - - acd 37; acs 1543; bm Qb6; c3 "Nh7"; cce 44; ce -42; pm Nh7 {5} Qc7 {3} Be7 {1} Qc8 {1}; pv Qb6 Reb1; white_wins 3; black_wins 4; draws 3; 
r2qrbk1/3b1ppn/p2p2np/1ppPp3/4P3/1PP1BNNP/P1BQ1PP1/R3R1K1 w - - acd 31; acs 313; bm a4; c3 "a4"; cce 0; ce 33; pm a4 {4} Nf5 {1}; pv a4 Be7 Bd3 Ng5 Nh2 Nh4 Qe2 bxa4 bxa4 Qa5 Rec1 Ng6 Qc2 Nf4 Bf1 Qc7 Rcb1 g6 Qd2 Bf6 f3 h5 Ne2 Nfxh3+ gxh3 Nxh3+ Kg2 Reb8 Kh1 Bh4 Bg2 a5 Qc2 Ng5; white_wins 2; black_wins 2; draws 1; 
r2qrbk1/3b1ppn/p2p2np/1ppPp3/P3P3/1PP1BNNP/2BQ1PP1/R3R1K1 b - - acd 40; acs 1082; bm Nf6; c3 "Nh4"; ce -42; pm Nf6; pv Nf6;
r2qrbk1/3b1ppn/p2p3p/1ppPp3/P3P2n/1PP1BNNP/2BQ1PP1/R3R1K1 w - - acd 31; acs 258; bm Nxh4; c3 "Nxh4"; ce 84; pm Nxh4; pv Nxh4 Qxh4 b4 c4 Ra2 a5 Rea1 axb4 cxb4 Qf6 axb5 Rxa2 Rxa2 Bxb5 Ra7 Qd8 Ba4 Bxa4 Rxa4 Nf6 b5 Qd7 Qb4;
r2qrbk1/3b1ppn/p2p3p/1ppPp3/P3P2N/1PP1B1NP/2BQ1PP1/R3R1K1 b - - acd 31; acs 25; bm Qxh4; c3 "Qxh4"; ce -70; pm Qxh4; pv Qxh4 b4 Rec8 Qe2 c4 Ra3 Qd8 Rea1 Qe8 Bd1 g6 Bc2 h5 Nf1 Qd8 Nd2 Rcb8 Qf1 Bg7 Qc1 Qf8 Nf3 Qc8 a5 Qd8 Qd2 Nf6 Bg5 Qf8 Rf1 Nh7;
r3rbk1/3b1ppn/p2p3p/1ppPp3/P3P2q/1PP1B1NP/2BQ1PP1/R3R1K1 w - - acd 41; acs 1665; bm Qe2; c3 "Qe2"; ce 77; pm Qe2; pv Qe2;
r3rbk1/3b1ppn/p2p3p/1ppPp3/P3P2q/1PP1B1NP/2B1QPP1/R3R1K1 b - - acd 40; acs 900; bm Rec8; c3 "Qd8"; ce -77; pm Rec8; pv Rec8 Bd3;
r2qrbk1/3b1ppn/p2p3p/1ppPp3/P3P3/1PP1B1NP/2B1QPP1/R3R1K1 w - - acd 43; acs 900; bm Bd3; c3 "b4"; ce 81; pm Bd3; pv Bd3;
r2qrbk1/3b1ppn/p2p3p/1ppPp3/PP2P3/2P1B1NP/2B1QPP1/R3R1K1 b - - acd 31; acs 191; bm Qc7; c3 "Qc7"; ce -67; pm Qc7; pv Qc7 Rec1 Qb7 Rcb1 c4 Rb2 Be7 Rba2 Bh4 Nh5 Bg5 Bxg5 hxg5 Bd1 Reb8 Ng3 Nf6 axb5 axb5 Qd2 Rxa2 Rxa2 Ra8 Rxa8+ Qxa8 Qxg5 Qa1 Qd2 Qb1 Qc2 Qxc2 Bxc2 g6 Kh2;
r3rbk1/2qb1ppn/p2p3p/1ppPp3/PP2P3/2P1B1NP/2B1QPP1/R3R1K1 w - - acd 31; acs 119; bm Rec1; c3 "Rec1"; ce 91; pm Rec1; pv Rec1 cxb4 cxb4 Qc3 Rab1 Qc7 axb5 axb5 Bd3 Qb7 Ra1 Be7 Ra5 Rxa5 bxa5 Bg5 Bxg5 hxg5 Qd2 Qa6 Ra1 Ra8 Qb4 Nf6 Ne2 Rb8 g4 Ra8 Nc3 Rb8 Kh2 Ne8 Ne2 f6 Ng3 Ra8 Nf5 Bxf5 gxf5;
r3rbk1/2qb1ppn/p2p3p/1ppPp3/PP2P3/2P1B1NP/2B1QPP1/R1R3K1 b - - acd 42; acs 1428; bm c4; c3 "c4"; ce -87; pm c4; pv c4 Ra3 Rab8 axb5 axb5 Ra7 Rb7 Rca1 Be7 R7a6 Bh4 Qd2 Rbb8 R1a5 Nf6 Qd1 Rb7 Ra1 Rbb8 Nh5 Bc8 Nxf6+ Bxf6 R6a5 Qd8 Qh5 Re7 Bd1 Reb7 Ra6 Re7 Ra8 Reb7 R1a5 Be7 R8a6 Bf6 Rc6 Be7 Bg4 Bxg4 Qxg4 Bg5 Bxg5 hxg5;
r3rbk1/2qb1ppn/p2p3p/1p1Pp3/PPp1P3/2P1B1NP/2B1QPP1/R1R3K1 w - - acd 31; acs 64; bm Ra3; c3 "Ra3"; ce 81; pm Ra3; pv Ra3 Rec8 Rca1 Qd8 axb5 axb5 Ra5 Be7 Bd1 Rab8 Qd2 Bh4 Ra6 Qf8 Ra7 Rd8 Qc1 Nf6 Bc2 Ra8 R7a5 Rab8 R1a2 Nh7 Qd1 Ra8 Nf1 Nf6 Qa1 Rxa5 bxa5 Nh5 a6 Nf4 Bxf4;
r3rbk1/2qb1ppn/p2p3p/1p1Pp3/PPp1P3/R1P1B1NP/2B1QPP1/2R3K1 b - - acd 31; acs 25; bm Rec8; c3 "Rec8"; ce -77; pm Rec8; pv Rec8 Rca1 Qd8 axb5 axb5 Ra5 Be7 Bd1 Rab8 Qd2 Bh4 Ra6 Qf8 Ra7 Rd8 Qc1 Nf6 Bc2 Nh7 Nf1 Be7 R1a6 Ra8 Qa3 Rxa7 Rxa7 Nf6 Qa1 Qe8 Ng3 Rb8 Qa6 Bf8 Qa2 Be7;
r1r2bk1/2qb1ppn/p2p3p/1p1Pp3/PPp1P3/R1P1B1NP/2B1QPP1/2R3K1 w - - acd 46; acs 960; bm Bd1; c3 "Rca1"; ce 86; pm Bd1; pv Bd1;
r1r2bk1/2qb1ppn/p2p3p/1p1Pp3/PPp1P3/R1P1B1NP/2B1QPP1/R5K1 b - - acd 31; acs 2; bm Qd8; c3 "Qd8"; ce -78; pm Qd8; pv Qd8 axb5 axb5 Ra5 Be7 Bd1 Rab8 Qd2 Bh4 Ra6 Qf8 Ra7 Rd8 Qc1 Nf6 Bc2 Ra8 R7a5 Rab8 Qd1 Nh7 Nf1 Be7 R1a2 Bg5 Bxg5 Nxg5 Ne3 Ra8 Ra1 Rdb8 Qc1 Qd8;
r1rq1bk1/3b1ppn/p2p3p/1p1Pp3/PPp1P3/R1P1B1NP/2B1QPP1/R5K1 w - - acd 47; acs 680; bm Bd1; c3 "f4"; ce 81; pm Bd1; pv Bd1 g6 Qa2 Rab8 axb5 Bxb5 Qd2 h5 Bc2 Bg7 Nf1 Nf6 Qc1 Qe7 Nd2 Qf8 Nf3 Qd8 Qd2 Rb7 Bg5 Qf8 Re1 Nd7 Be3 Rcb8 Ra2 Bf6 Rea1 Qc8 Qe2 Be7 Bd1 Qf8 Nd2 Rc7 Bc2 Qd8 Nf3 Rcb7 Ra5 Qc8 Qe1 Qf8 Ba4 f5 Bxb5 axb5;
r1rq1bk1/3b1ppn/p2p3p/1p1Pp3/PPp1PP2/R1P1B1NP/2B1Q1P1/R5K1 b - - acd 40; acs 1304; bm exf4; c3 "Nf6"; ce -50; pm exf4; pv exf4 Bxf4;
r1rq1bk1/3b1pp1/p2p1n1p/1p1Pp3/PPp1PP2/R1P1B1NP/2B1Q1P1/R5K1 w - - acd 31; acs 15; bm fxe5; c3 "fxe5"; ce 97; pm fxe5; pv fxe5 dxe5 a5 Ne8 Rf1 Nd6 Raa1 Qh4 Qe1 Be7 Qf2 Rc7 Bb6 Rb7 Bc5 Rf8 Rae1 Rbb8 Kh2 Ra8 Re3 Kh8 Kg1 f6 Re2 Rfe8 Ree1 Rac8 Qf3 Kg8 Bb6 Bf8 Qe3 Be7;
r1rq1bk1/3b1pp1/p2p1n1p/1p1PP3/PPp1P3/R1P1B1NP/2B1Q1P1/R5K1 b - - acd 31; acs 28; bm dxe5; c3 "dxe5"; ce -92; pm dxe5; pv dxe5 a5 Ne8 Rf1 Nd6 Raa1 Qh4 Qf2 f6 Qf3 Re8 Rae1 Rac8 Bf2 Qg5 Bc5 Red8 Bb6 Re8 Qf2 Qh4 Bd1 Kh7 Bh5 g6 Bd1 Be7 Bc5 Rf8 Re3 f5 exf5 Bxf5 Nxf5 Qxf2+ Rxf2 Rxf5 Bg4 Rxf2;
r1rq1bk1/3b1pp1/p4n1p/1p1Pp3/PPp1P3/R1P1B1NP/2B1Q1P1/R5K1 w - - acd 42; acs 416; bm a5; c3 "Qf1"; ce 113; pm a5; pv a5;
r1rq1bk1/3b1pp1/p4n1p/1p1Pp3/PPp1P3/R1P1B1NP/2B3P1/R4QK1 b - - acd 48; acs 1307; bm a5; c3 "Ne8"; ce -4; pm a5; pv a5 axb5 axb4 Rxa8 Rxa8 Rxa8 Qxa8 Qxc4 Qa1+ Kh2 Qe1 Bg1 Qxc3 Qxc3 bxc3 b6 Bc8 Ne2 Bb4 Kg3 Ba6 Nc1 Nd7 Bd3 Bb7 Kf3 Kf8 g4 Ba5 Ne2 Ke7 Bf2 Bxb6 Bh4+ g5 Be1 Nc5 Bc2 Ba5 Nxc3 Nd7 Bd3 Bc8 Bd2 Nf6 Kf2 Bb4 Ke2 Bd7 Kd1 h5 gxh5 Bxh3 Bxg5 Bxc3 h6 Bc8 h7;
r1rqnbk1/3b1pp1/p6p/1p1Pp3/PPp1P3/R1P1B1NP/2B3P1/R4QK1 w - - acd 31; acs 98; bm Qf2; c3 "Qf2"; ce 73; pm Qf2; pv Qf2 Nd6 a5 Be7 Rf1 Qe8 Bc5 Nb7 Bb6 Nd6 Raa1 Bg5 Bc5 Nb7 Rad1 Rxc5 bxc5 Be7 d6 Bh4 Kh2 Qe6 Qf3 Bxg3+ Qxg3 Rc8 Rd5 Rxc5 Qf2 Rxd5 exd5 Qxd5 Be4;
r1rqnbk1/3b1pp1/p6p/1p1Pp3/PPp1P3/R1P1B1NP/2B2QP1/R5K1 b - - acd 31; acs 19; bm Nd6; c3 "Nd6"; ce -83; pm Nd6; pv Nd6 R3a2 Be7 Kh2 Bh4 Bc5 Nb7 Bb6 Qe8 axb5 axb5 Ba7 Be7 Nf5 Bxf5 Qxf5 Bg5 g3 Rd8 Qf3 g6 Qf2 h5 h4 Be7 Kg2 Nd6 Ra6 Nb7 Bb6 Rxa6 Rxa6 Rd6 Ra7 Rf6 Qe3;
r1rq1bk1/3b1pp1/p2n3p/1p1Pp3/PPp1P3/R1P1B1NP/2B2QP1/R5K1 w - - acd 39; acs 929; bm R3a2; c3 "Bb6"; ce 87; pm R3a2; pv R3a2;
r1rq1bk1/3b1pp1/pB1n3p/1p1Pp3/PPp1P3/R1P3NP/2B2QP1/R5K1 b - - acd 40; acs 739; bm Qh4; c3 "Qe8"; ce -89; pm Qh4; pv Qh4 Bc5;
r1r1qbk1/3b1pp1/pB1n3p/1p1Pp3/PPp1P3/R1P3NP/2B2QP1/R5K1 w - - acd 31; acs 47; bm R3a2; c3 "R3a2"; ce 93; pm R3a2; pv R3a2 Be7 Kh2 a5 bxa5 Ra6 axb5 Nxb5 Qf3 Nd6 Rb2 Rca8 Rab1 Bg5 Kg1 Rc8 Qf2 Bh4 Qe3 Bg5 Qf3 Qe7 Rb4 Raa8 Qe2 Bh4 Qe3 Bg5 Qf3 g6 Ra1 Ra6 Nf1 f5 Qe2 Bf4 exf5 gxf5;
r1r1qbk1/3b1pp1/pB1n3p/1p1Pp3/PPp1P3/2P3NP/R1B2QP1/R5K1 b - - acd 31; acs 37; bm Be7; c3 "Be7"; ce -98; pm Be7; pv Be7 Kh2 bxa4 Bc5 a5 Bxa4 Bxa4 Rxa4 axb4 Rxa8 Rxa8 Rxa8 Qxa8 Bxb4 Qd8 Qe2 Bg5 Nf1 g6 g3 h5 h4 Bh6 Kg2 Qc7 Bxd6 Qxd6 Qxc4 Qa3 Qd3 Bf8 Qc2 Qa1 Nh2 Bc5 Nf3 f6 Qb3 Bd6 c4 Qa7 Qc3 Kg7 Nd2;
r1r1q1k1/3bbpp1/pB1n3p/1p1Pp3/PPp1P3/2P3NP/R1B2QP1/R5K1 w - - acd 44; acs 1393; bm Kh2; c3 "Bc5"; ce 97; pm Kh2; pv Kh2 Bh4 Bc5 Nb7 axb5 axb5 Ba7 Qf8 Ra6 Be7 Nf5 Bxf5 Qxf5 Qe8 Qg4 g6 Bd1 Rd8 Qg3 Bg5 Qf2 Nd6 Bf3 h5 h4 Bf6 Bc5 Rxa6 Rxa6 Be7 Qg3 Bf8 Ra7 Nc8 Ra2 Bh6 Qf2 Nd6 Ra6 Bf8 g3 f5 exf5 e4 Bg2 gxf5 Ra7;
r1r1q1k1/3bbpp1/p2n3p/1pBPp3/PPp1P3/2P3NP/R1B2QP1/R5K1 b - - acd 45; acs 1687; bm a5; c3 "Bf8"; ce -31; pm a5; pv a5 axb5;
r1r1qbk1/3b1pp1/p2n3p/1pBPp3/PPp1P3/2P3NP/R1B2QP1/R5K1 w - - acd 47; acs 1140; bm axb5; c3 "Nf5"; ce 121; pm axb5; pv axb5 axb5;
r1r1qbk1/3b1pp1/p2n3p/1pBPpN2/PPp1P3/2P4P/R1B2QP1/R5K1 b - - acd 31; acs 173; bm Bxf5; c3 "Bxf5"; ce -101; pm Bxf5; pv Bxf5 exf5 e4 f6 Qe5 Bd4 Qxd5 fxg7 Bxg7 Bxg7 Kxg7 Qg3+ Kh7 axb5 Nxb5 Rxa6 Re8 Rxa8 Rxa8 Rxa8 Qxa8 Qe5 Qa1+ Kh2 Nxc3 Bxe4+;
r1r1qbk1/5pp1/p2n3p/1pBPpb2/PPp1P3/2P4P/R1B2QP1/R5K1 w - - acd 31; acs 44; bm exf5; c3 "exf5"; ce 78; pm exf5; pv exf5 f6 Bxd6 Bxd6 axb5 axb5 Be4 Rcb8 Ra6 Qd8 Qa2 Rxa6 Qxa6 Bc7 Qe6+ Kh7 Ra6 Rb6 Rxb6 Bxb6+ Kh2 Bc7 Qc6 Qb8 Qa6 Bd6 g3 h5 Kg2 Kg8 Qc6 Kh7 Kf3 Kg8 h4 Kh7 Qd7;
r1r1qbk1/5pp1/p2n3p/1pBPpP2/PPp5/2P4P/R1B2QP1/R5K1 b - - acd 31; acs 21; bm f6; c3 "f6"; ce -49; pm f6; pv f6 axb5 axb5 Bxd6 Bxd6 Be4 Qd8 Kh2 Rcb8 Ra6 Kf8 Ra7 Rxa7 Qxa7 Rb6 Qa8 Bb8 Ra7 Qe8 Ra2 Qd8 Ra5 Qe8 g4 Qd7 Ra1 Kg8 Kg2 Kf8 Kg3 Kg8 Kh2 Kf8 Qa2 Qd8 Qa8 Qc7 Kg3 Kg8 Kg2;
r1r1qbk1/6p1/p2n1p1p/1pBPpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - acd 43; acs 900; bm Bxd6; c3 "Bxd6"; ce 101; pm Bxd6; pv Bxd6;
r1r1qbk1/6p1/p2B1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 b - - acd 31; acs 4; bm Bxd6; c3 "Bxd6"; ce -65; pm Bxd6; pv Bxd6 axb5 axb5 Be4 Qd8 Kh2 Rcb8 Ra6 Kf8 Ra7 Rxa7 Qxa7 Rb6 Qa8 Bb8 Ra7 Qe8 Ra6 Rxa6 Qxa6 Qd7 Qe6 Qxe6 dxe6 g6 fxg6 f5 Bxf5 e4+ Kg1 e3 Kf1 Be5 Ke2 Bxc3 Kxe3 Bxb4 Kd4 Be7 Kd5 h5 g3 c3;
r1r1q1k1/6p1/p2b1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - acd 53; acs 5100; bm axb5; c3 "axb5"; ce 88; pm axb5; pv axb5 axb5 Be4 Rcb8 Kh2 Ra4 Rxa4 bxa4 Qa7 Ra8 Qb6 Qd7 Ra3 g6 Qc6 Qxc6 dxc6 gxf5 Bxf5 Kf8 Kg3 Ke7 Kf3 Bc7 g4 Kd6 Bc2 Ke6 Ke4 Rd8 Ke3 Bb6+ Ke2 Kd6 Bxa4 e4 Ra2 Kc7 Bc2 Kxc6 Bxe4+ Kb5 h4 Bc7 Bg6 Be5 Ra3 Kb6 Bf7 Rd3 Ra6+ Kb7 b5 Rd6 Rxd6 Bxd6 Bxc4 Kb6 Kd3 Bg3 Ke;
r1r1q1k1/6p1/p2b1p1p/1P1PpP2/1Pp5/2P4P/R1B2QP1/R5K1 b - - acd 31; acs 12; bm axb5; c3 "axb5"; ce -64; pm axb5; pv axb5 Be4 Rcb8 Ra6 Qd8 Kh2 Kf8 Ra7 Rxa7 Qxa7 Rb6 Qa8 Bb8 Ra7 Qe8 Ra6 Rxa6 Qxa6 Qd7 Qe6 Qxe6 dxe6 g6 fxg6 f5 Bxf5 e4+ Kg1 e3 Kf1 Be5 Ke2 Bxc3 Kxe3 Bxb4 Kd4;
r1r1q1k1/6p1/3b1p1p/1p1PpP2/1Pp5/2P4P/R1B2QP1/R5K1 w - - acd 42; acs 574; bm Be4; c3 "Be4"; ce 92; pm Be4; pv Be4 Qd8 Kh2 Rxa2 Qxa2 Rb8 Qa7 Rb6 g3 Bb8 Qa5 Bd6 Kg2 Bc7 Qa7 Bd6 Qa8 Bb8 Ra7 Kf8 Rb7 Rxb7 Qxb7 Qe8;
r1r1q1k1/6p1/3b1p1p/1p1PpP2/1Pp1B3/2P4P/R4QP1/R5K1 b - - acd 51; acs 1353; bm Qd8; c3 "Rxa2"; ce -113; pm Qd8; pv Qd8;
2r1q1k1/6p1/3b1p1p/1p1PpP2/1Pp1B3/2P4P/r4QP1/R5K1 w - - acd 31; acs 80; bm Qxa2; c3 "Qxa2"; ce 137; pm Qxa2; pv Qxa2 Kf8 Qa7 Rb8 Ra6 Qe7 Kf2 Qxa7+ Rxa7 Rb6 Ke3 Bb8 Rd7 Bd6 Bf3 Ke8 Ra7 e4 Bxe4 Bb8 Rxg7 Be5 Kd2 Ra6 Rb7 Ra3 Rxb5 Bxc3+ Kc2 Bd4 Rb7 Ra2+ Kd1 Ra7 Rxa7 Bxa7 b5 Kd7 Kd2;
2r1q1k1/6p1/3b1p1p/1p1PpP2/1Pp1B3/2P4P/Q5P1/R5K1 b - - acd 47; acs 900; bm Kh7; c3 "Qd7"; ce -187; pm Kh7; pv Kh7;
2r3k1/3q2p1/3b1p1p/1p1PpP2/1Pp1B3/2P4P/Q5P1/R5K1 w - - acd 45; acs 2540; bm Qa7; c0 "Qa7=10, Kf2=6, Kh2=6, Qa6=7"; c3 "Qa7"; ce 180; id "STS(v14.0) 7th Rank.029"; pm Qa7; pv Qa7 Qd8 Qa5 Qd7 Qb6 Kf7 Ra7 Rc7 Ra8 Rb7 Qa6 Qc7 Qc6 Qd7 Kf2 Rc7 Qxd7+ Rxd7 Ra5 Rb7 Kg3 Rb6 Kg4 Kg8 Kh5 Kh7 Ra8 Bc7 g4 Rb8 Ra6 Rb6 Ra7 Bb8 Ra8 Bc7 Rc8 Bd6 h4 Rb8 Rc6 Bf8 Ra6 Rb7 g5 hxg5 hxg5 Rd7 gxf6 Rd6 Ra5 gxf6 Rxb5 Rd7 Rb6 Kg7 Kg4;
2r3k1/Q2q2p1/3b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/R5K1 b - - acd 34; acs 112; bm Rc7; c3 "Rc7"; ce -129; pm Rc7; pv Rc7 Qb6 Rb7 Ra8+ Kf7 Qa6 Ke7 Rg8 Kf7 Rd8 Qxd8 Qxb7+ Qc7 Qxb5 Qa7+ Kh2 Qe3 Qxc4 g6 fxg6+ Kg7 g4 h5 Kg2 Qd2+ Kf1 Qf4+ Ke1 Qe3+ Kd1 Qxh3 Bf5 hxg4 Bxg4 Qg2 Be2 Qxg6 Qc6 Qb1+ Kd2 Qb2+ Ke3 Qc1+ Kf2 Qf4+ Kg2;
6k1/Q1rq2p1/3b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/R5K1 w - - acd 48; acs 1446; bm Qb8+; c3 "Qb6"; ce 272; pm Qb8+; pv Qb8+;
6k1/2rq2p1/1Q1b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/R5K1 b - - acd 33; acs 98; bm Rb7; c3 "Rb7"; ce -169; pm Rb7; pv Rb7 Qc6 Kf7 Kh2 Rc7 Qa8 Rc8 Ra7 Rxa8 Rxd7+ Be7 d6;
6k1/1r1q2p1/1Q1b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/R5K1 w - - acd 34; acs 106; bm Ra8+; c3 "Ra8+"; ce 169; pm Ra8+; pv Ra8+ Kf7 Qa6 Ke7 Kh2 Qc7 Kg3 Rb6 Qa5 Rb8 Ra7 Rb7 Qxc7+ Rxc7 Ra6 Rd7 Kg4 Bb8 Kh5 Kd8 Rb6 Ba7 Rxb5 Be3 Ra5 Bd2 Ra6 Ke7 Ra3 Kf7 Kg4 Be3 Ra6 Bd2 d6 Bxc3 Bd5+ Ke8 Ra8+ Rd8 Bc6+;
R5k1/1r1q2p1/1Q1b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/6K1 b - - acd 34; acs 112; bm Kf7; c3 "Kf7"; ce -185; pm Kf7; pv Kf7 Qa6 Ke7 Kf2 Qc7 Kf3 Rb6 Qa5 Rb8 Ra7 Rb7 Qxc7+ Rxc7 Ra6 Rd7 Kg4 Bb8 Re6+ Kd8 Rb6 Ba7 Rxb5 Bf2 Ra5 Kc7 Ra6 Rd6 Ra2 Be1 Ra3 Bf2 Kf3 Bb6 Kg3 Rd8 Ra6 Kb7 Ra2 Rd6 Kf3;
R7/1r1q1kp1/1Q1b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/6K1 w - - acd 33; acs 105; bm Qa6; c3 "Qa6"; ce 92; pm Qa6; pv Qa6 Ke7 Rg8 Kf7 Rd8 Qxd8 Qxb7+ Qe7 Qxb5 Qa7+ Kh2 Qe3 Qxc4 g5 fxg6+ Kg7 g4 h5 Kg2 hxg4 hxg4 Qd2+ Kf1 Qd1+ Kf2 Qd2+ Qe2 Qxc3 g5 Bxb4 gxf6+ Kxf6 Kg2 Qd2 Qxd2 Bxd2 Kf3 Bb4 Ke2 Bc5 Kd3 Bd6 Kc4 Kg7;
R7/1r1q1kp1/Q2b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/6K1 b - - acd 49; acs 662; bm Ke7; c3 "Qc7"; ce -344; pm Ke7; pv Ke7;
R7/1rq2kp1/Q2b1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/6K1 w - - acd 31; acs 10; bm Qc6; c3 "Qc6"; ce 188; pm Qc6; pv Qc6 Qd7 Kh2 Rc7 Qa6 Rb7 g3 Qc7 Qc6 Qd7 Rd8 Qxd8 Qxb7+ Kg8 Qxb5 Qc8 Qa5 Bb8 h4 Qc7 Qa6 Kh7 Kg2 Qa7 Qxc4 Qe3 Qd3 Qxd3 Bxd3 Bd6 b5 Bc5 d6 Bxd6 b6;
R7/1rq2kp1/2Qb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/6K1 b - - acd 47; acs 879; bm Qd7; c3 "Qb6+"; ce -351; pm Qd7; pv Qd7 Ra5;
R7/1r3kp1/1qQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/6K1 w - - acd 36; acs 194; bm Kf1; c3 "Kf1"; ce 303; pm Kf1; pv Kf1 Rb8 Qd7+ Kg8 Ra7 Bf8 Qf7+ Kh7 d6 Qe3 Bd5 Qc1+ Kf2 Qd2+ Kg1 Qc1+ Kh2 Qf4+ g3 Qf2+ Bg2 e4 Qc7 Qb6 d7 Qxc7 Rxc7 Rd8 Bxe4 Bd6 Rb7 Be5 Bc6 Bxc3 Bxb5 Kg8 Rc7 Bxb4 Rxc4 Ba5 Re4 g5 fxg6 Kg7 Kg2 Kxg6 Re8 f5 Re6+ Kf7 Rxh6 Bc7 Kf3 Ke7 Rh7+ Kf6;
R7/1r3kp1/1qQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/5K2 b - - acd 31; acs 9; bm Rb8; c3 "Rb8"; ce -188; pm Rb8; pv Rb8 Qd7+ Kg8 Ra7 Bf8 Qf7+ Kh7 Ke2 Rd8 Qb7 Rd6 Qxb6 Rxb6 Ra8 Bd6 g4 Rb8 Ra6 Bf8 Ke3 Kg8 h4 Rd8 Rb6 Bd6 Rxb5 Kf8 Rb6 Ke7 Ra6 Bc7 Rc6 Bd6 Rxc4 Kd7 Bc2 Rc8 Ba4+ Kd8 Bc6 Ke7 Ke4;
Rr6/5kp1/1qQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/5K2 w - - acd 50; acs 779; bm Qd7+; c0 "Qd7+=10, Qxb6=10, Ra1=3, Ra2=2"; c3 "Ra6"; ce 290; id "STS(v14.0) 7th Rank.100"; pm Qd7+; pv Qd7+ Kg8 Ra7 Bf8 d6 Qe3 Qf7+ Kh7 Bd5 Qc1+ Kf2 Qd2+ Kg1 Qc1+ Kf2 Qd2+ Kg1 Qc1+ Kf2;
1r6/5kp1/RqQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/5K2 b - - acd 31; acs 26; bm Qe3; ce -96; pm Qe3; pv Qe3 Qxd6 Re8 Qd7+ Re7 Qc6 Qxe4 d6 Qb1+ Kf2 Qxf5+ Kg1 Rd7 Qxb5 Qe6 Qc5 Kg6 Rc6 e4 Qd4 e3 Qxc4 Qe5 Rc5 Qxd6 Qe4+ Kf7 Qxe3 Re7 Qf2 g5 Rc8 Qd7 Rc4 Qd1+ Kh2 Re2 Qd4 Qxd4 Rxd4 Rb2 Kg3 h5 Kf3 Rb3 Rc4 h4 Rc6 Rb2;
what do your machines/records say about this position, which is vital for the assessment of the Ra6 line?

[d]3q2k1/6p1/3r1p1p/2R5/1P2Q3/2P4P/6P1/5K2 b - - 0 19

maybe someone will be willing to play a LTC match starting from here?

I myself am seeing mostly white wins, from both SF and Komodo.
Lyudmil Tsvetkov
Posts: 6052
Joined: Tue Jun 12, 2012 12:41 pm

Re: Kasparov-Deep Thought 1997 (second game)

Post by Lyudmil Tsvetkov »

Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Kasparov-Deep Thought 1997 (second game)

Post by zullil »

Lyudmil Tsvetkov wrote:
Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
Here's a deep search using the latest asmFish with 6-man endgame tables. Looks awfully drawish to me, though I haven't even followed the pv yet.

Code: Select all

+0.08 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+ Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7 Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+ Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4 Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6 81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6 87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 (depth 69, 8:52:17)
MikeGL
Posts: 1010
Joined: Thu Sep 01, 2011 2:49 pm

Re: Kasparov-Deep Thought 1997 (second game)

Post by MikeGL »

zullil wrote:
Lyudmil Tsvetkov wrote:
Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
Here's a deep search using the latest asmFish with 6-man endgame tables. Looks awfully drawish to me, though I haven't even followed the pv yet.

Code: Select all

+0.08 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+ Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7 Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+ Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4 Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6 81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6 87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 (depth 69, 8:52:17)
Here's your above PV inserted to the final position of DB2-Kasparov game,
for easy reference and replay.

[pgn]
[Event "Computer chess game"]
[Site "Talkchess"]
[Date "2017.07.19"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[WhiteElo "2400"]
[TimeControl "0+2"]
[SetUp "1"]
[FEN "1r6/5kp1/RqQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/5K2 b - - 0 45"]
[Termination "unterminated"]
[PlyCount "94"]
[WhiteType "program"]
[BlackType "human"]

45. ... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8
51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+
Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7
Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+
Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4
Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6
81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6
87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 *
[/pgn]

Final position of this PV is a book draw.

regards
Lyudmil Tsvetkov
Posts: 6052
Joined: Tue Jun 12, 2012 12:41 pm

Re: Kasparov-Deep Thought 1997 (second game)

Post by Lyudmil Tsvetkov »

zullil wrote:
Lyudmil Tsvetkov wrote:
Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
Here's a deep search using the latest asmFish with 6-man endgame tables. Looks awfully drawish to me, though I haven't even followed the pv yet.

Code: Select all

+0.08 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+ Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7 Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+ Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4 Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6 81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6 87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 (depth 69, 8:52:17)
Louis, this is 94-ply pv, with SF averaging 1 mistake/inaccuracy every 2 moves, that makes 47 SF mistakes above. :)

of course, white has the advantage in all lines.
Lyudmil Tsvetkov
Posts: 6052
Joined: Tue Jun 12, 2012 12:41 pm

Re: Kasparov-Deep Thought 1997 (second game)

Post by Lyudmil Tsvetkov »

MikeGL wrote:
zullil wrote:
Lyudmil Tsvetkov wrote:
Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
Here's a deep search using the latest asmFish with 6-man endgame tables. Looks awfully drawish to me, though I haven't even followed the pv yet.

Code: Select all

+0.08 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+ Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7 Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+ Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4 Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6 81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6 87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 (depth 69, 8:52:17)
Here's your above PV inserted to the final position of DB2-Kasparov game,
for easy reference and replay.

[pgn]
[Event "Computer chess game"]
[Site "Talkchess"]
[Date "2017.07.19"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[WhiteElo "2400"]
[TimeControl "0+2"]
[SetUp "1"]
[FEN "1r6/5kp1/RqQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/5K2 b - - 0 45"]
[Termination "unterminated"]
[PlyCount "94"]
[WhiteType "program"]
[BlackType "human"]

45. ... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8
51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+
Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7
Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+
Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4
Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6
81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6
87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 *
[/pgn]

Final position of this PV is a book draw.

regards
thanks, will look at it later/tomorrow.

now I am busy.
Lyudmil Tsvetkov
Posts: 6052
Joined: Tue Jun 12, 2012 12:41 pm

Re: Kasparov-Deep Thought 1997 (second game)

Post by Lyudmil Tsvetkov »

zullil wrote:
Lyudmil Tsvetkov wrote:
Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
Here's a deep search using the latest asmFish with 6-man endgame tables. Looks awfully drawish to me, though I haven't even followed the pv yet.

Code: Select all

+0.08 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+ Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7 Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+ Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4 Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6 81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6 87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 (depth 69, 8:52:17)
58.Kh2 is a major mistake.

you might want to start calculating again after 58.Kf2 instead:

[d]2R5/5kp1/5p2/4pP1p/1Pp5/2P4P/5KP1/3r4 b - - 0 9
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Kasparov-Deep Thought 1997 (second game)

Post by zullil »

zullil wrote:
Lyudmil Tsvetkov wrote:
Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
Here's a deep search using the latest asmFish with 6-man endgame tables. Looks awfully drawish to me, though I haven't even followed the pv yet.

Code: Select all

+0.08 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+ Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7 Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+ Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4 Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6 81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6 87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 (depth 69, 8:52:17)
Another iteration:

Code: Select all

+0.56 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Kh2 h4 53. Qxb5 Rd8 54. Qc6 Kg8 55. b5 Qxc3 56. Rd1 Qb3 57. Rc1 Kh7 58. Kh1 Qe3 59. Qxc4 e4 60. Qf1 Rxd6 61. Re1 Qd3 62. Qf4 Kg8 63. Qxh4 Qxb5 64. Qxe4 Rd5 65. Rb1 Qc6 66. Qf3 Qd6 67. Ra1 Qd8 68. h4 Rc5 69. Ra8 Rc8 70. Rxc8 Qxc8 71. Qd5+ Kh7 72. Kh2 Qc7+ 73. Kh3 Qc3+ 74. Qf3 Qd4 75. Qg3 Qd5 76. Qf4 Qc6 77. Kh2 Qb5 78. Qe4 Qb8+ 79. Kh3 Qb3+ 80. Kg4 Qb5 81. Kf3 Qb8 82. Ke2 Qb3 83. Kf2 Qb2+ 84. Kg1 Qb8 85. Kf1 Qd6 86. Ke1 (depth 70, 17:47:06)
Lyudmil Tsvetkov
Posts: 6052
Joined: Tue Jun 12, 2012 12:41 pm

Re: Kasparov-Deep Thought 1997 (second game)

Post by Lyudmil Tsvetkov »

zullil wrote:
zullil wrote:
Lyudmil Tsvetkov wrote:
Rebel wrote:
Kanizsa wrote:In his recent book, Deep Thinking, Kasparov states that after 45. Ta6 ? the game was really lost, not draw as it was at that time thought.

John Nunn

http://en.chessbase.com/post/komodo-8-d ... d-part-one
says that was draw.

Who is right ?
Chessbase.

45..Qe3 draws. 46.Qxd6 Re8 47.h4 h5 with perpetual check.

The right move was 45. Qd7+ not Ra6.
47.Qd7 instead of the naive h4 is significantly better, and no perpetual in sight, at least for the next 80 moves.

the analysis on the chessbase site is an ante-deluvian one, with Komodo 8 and Fritz.
Here's a deep search using the latest asmFish with 6-man endgame tables. Looks awfully drawish to me, though I haven't even followed the pv yet.

Code: Select all

+0.08 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Qxb5 Rd8 53. Qb7+ Kg8 54. Qe7 Qxd6 55. Qxd6 Rxd6 56. Ra8+ Kf7 57. Rc8 Rd1+ 58. Kh2 Ke7 59. Rxc4 Rf1 60. b5 Rb1 61. Rc7+ Kd6 62. Rxg7 Rxb5 63. Rf7 e4 64. Rxf6+ Ke5 65. Rh6 Rc5 66. f6 Ke6 67. Kg3 Rf5 68. f7+ Kxf7 69. Rb6 e3 70. Rb4 e2 71. Re4 Rc5 72. Rxe2 Rxc3+ 73. Kh2 Kg6 74. h4 Rc4 75. g3 Rb4 76. Re6+ Kg7 77. Re5 Kg6 78. Re2 Rb3 79. Rg2 Kf7 80. Rc2 Kf6 81. Rf2+ Kg6 82. Kg2 Rb6 83. Rd2 Rb3 84. Kf2 Rc3 85. Rb2 Rc6 86. Kg2 Rf6 87. Rb5 Kh6 88. Re5 Kg6 89. Rg5+ Kh6 90. Rc5 Kg6 91. Rc4 Rf5 92. Rb4 (depth 69, 8:52:17)
Another iteration:

Code: Select all

+0.56 45... Qe3 46. Qxd6 Re8 47. Qd7+ Re7 48. Qc6 Qxe4 49. d6 Qd3+ 50. Kg1 Re8 51. Ra1 h5 52. Kh2 h4 53. Qxb5 Rd8 54. Qc6 Kg8 55. b5 Qxc3 56. Rd1 Qb3 57. Rc1 Kh7 58. Kh1 Qe3 59. Qxc4 e4 60. Qf1 Rxd6 61. Re1 Qd3 62. Qf4 Kg8 63. Qxh4 Qxb5 64. Qxe4 Rd5 65. Rb1 Qc6 66. Qf3 Qd6 67. Ra1 Qd8 68. h4 Rc5 69. Ra8 Rc8 70. Rxc8 Qxc8 71. Qd5+ Kh7 72. Kh2 Qc7+ 73. Kh3 Qc3+ 74. Qf3 Qd4 75. Qg3 Qd5 76. Qf4 Qc6 77. Kh2 Qb5 78. Qe4 Qb8+ 79. Kh3 Qb3+ 80. Kg4 Qb5 81. Kf3 Qb8 82. Ke2 Qb3 83. Kf2 Qb2+ 84. Kg1 Qb8 85. Kf1 Qd6 86. Ke1 (depth 70, 17:47:06)
what about 58.b6 instead of Kh1?

[d]3r4/6pk/1PQP1p2/4pP2/2p4p/1q5P/6PK/2R5 b - - 0 9

please, disregard my other post, I am tired now, tomorrow will be back with more feddback.
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Kasparov-Deep Thought 1997 (second game)

Post by zullil »

Lyudmil Tsvetkov wrote:
what about 58.b6 instead of Kh1?

[d]3r4/6pk/1PQP1p2/4pP2/2p4p/1q5P/6PK/2R5 b - - 0 9
This seems to lead to a draw:

Code: Select all

0.00 58... Qe3 59. Rd1 Qb3 60. Rg1 Qb4 61. b7 c3 62. Rd1 Qb2 63. Qc7 c2 64. Rg1 Qb4 65. d7 Qd2 66. b8=Q Rxb8 67. Qxb8 c1=Q 68. Rxc1 Qf4+ 69. Kg1 Qxc1+ 70. Kh2 Qf4+ 71. Kh1 Qc1+ 72. Kh2 (depth 71, 0:39:48)