2016 US Chess Championship

[yurikvelo]

Code: Select all

D=34/62, 2 721 MN, Stockfish_16033114 
+0,49	28. ... Rfe8 29.Rc5 Qb6 30.Rb2 Qxb7 31.Rxb7 Rxe4
+0,56	28. ... Rde8 29.Rc5 Qb6 30.Qxb6 axb6 31.Rxh5 Rxe4
+0,78	28. ... Bg6 29.Nc3 Qg5 30.Qb2 Rb8 31.Qc1 Bd3
+1,62	28. ... Bf7 29.Rc5 Rb8 30.Qxc7 Rb1+ 31.Kh2 Qa6       <----- Gorti played (+1.99 @ D=43)
+1,62	28. ... Rb8 29.Qxc7 Rb1+ 30.Kh2 Qd5 31.Qc6 Bf7

D=41/67, 45 017 MN
+1,99	29. ... Qb6 30.Rxc7 Qxb7 31.Rxb7 Rfe8 32.Nc5 Rd5
+2,10	29. ... Rb8 30.Qxc7 Qb4 31.Nc3 Rb7 32.Qa5 Qxa5
+2,23	29. ... Bd5 30.Rxa5 Bxb7 31.Nc5 Bd5 32.a4 a6
+2,25	29. ... Qa3 30.Rxc7 Rde8 31.Qc6 Qb4 32.Nc3 Re1+
+2,30	29. ... Qa4 30.Nc3 Qd7 31.Rxc7 Qe6 32.Rd1 a6      <----- Gorti played

D=33/59, 1 688 MN
+1,67	34. ... Qxc5 35.Rxc5 Rfc8 36.f3 Kf8 37.Ne4 Rxc5
+2,46	34. ... Qb4 35.d5 Qxc5 36.Rxc5 Rfc8 37.Na4 Be8
+2,89	34. ... Qb2 35.d5 Qb4 36.d6 Qxc5 37.Rxc5 a4      <----- Gorti played

[yurikvelo]

Code: Select all

D=32/60. Stockfish_16033114
+0,31	24. ... d5 25.Bxd5 Qxf2 26.Rxf2 Bc5 27.Rff3 Bg4
+0,32	24. ... Qxf2 25.Rxf2 d5 26.Bxd5 Bc5 27.Rff3 Bg4
+0,71	24. ... Qa5 25.h3 Bc6 26.Re1 Qb4 27.Qd2 Rh7
+0,86	24. ... Qc8 25.h3 Bc6 26.Re1 Qd7 27.Qd2 Rf8
+0,89	24. ... Qc6 25.Bd5 Qc5 26.Qxc5 dxc5 27.a5 Bd8
+0,89	24. ... Bc6 25.Bd5 Bd7 26.Qxc5 dxc5 27.a5 Bd8
+0,94	24. ... Rh7 25.Qxc5 dxc5 26.Bg8 Rg7 27.Bc4 Kc8
+0,95	24. ... Rh6 25.Qxc5 dxc5 26.h3 Bc6 27.Rdd1 Kc7
+0,96	24. ... Re8 25.Qxc5 dxc5 26.Bf7 Rf8 27.Bc4 Bc6
+1,09	24. ... h3 25.g3 Qb4 26.Qe1 Ng4 27.Rdf3 Ne3
+1,18	24. ... Qa7 25.Qxa7+ Kxa7 26.h3 Rc8 27.Bf7 Rf8
+1,21	24. ... Kc7 25.Kg1 Qxf2+ 26.Rxf2 Kb8 27.h3 Rc8
+1,31	24. ... Bc8 25.Qxc5 dxc5 26.Nd5 Nxd5 27.Bxd5 b6
+1,33	24. ... Bg4 25.Qxc5 dxc5 26.h3 Bh5 27.Re1 Be8
+1,33	24. ... Qc7 25.Nd5 Nxd5 26.Bxd5 Rc8 27.Rc3 Qa5
+1,34	24. ... Be8 25.Qxc5 dxc5 26.Nd5 Nxd5 27.Bxd5 b6
+1,41	24. ... Rc8 25.Qxc5 Rxc5 26.g3 Bh3 27.Rf2 Rxc3
+1,41	24. ... Kc8 25.Qxc5+ dxc5 26.Nd5 Nxd5 27.Bxd5 b6
+1,41	24. ... Qb4 25.Nd5 Nxd5 26.Bxd5 Qa5 27.Ra1 Rc8		<---- Nakamura
+1,46	24. ... Rf8 25.Qxc5 dxc5 26.Nd5 Bd6 27.Bc4 a5
+1,53	24. ... Rh5 25.Qxc5 dxc5 26.Nd5 Nxd5 27.Bxd5 Bxa4
+1,60	24. ... b6 25.Nd5 Nxd5 26.Bxd5 Rc8 27.b3 Qxf2
+1,90	24. ... Bd8 25.Qxc5 dxc5 26.Rfd1 Kc7 27.Nd5+ Nxd5
+1,95	24. ... Bf8 25.Qxc5 dxc5 26.Nd5 Nxe4 27.Nxf4 Bd6

D=32/57, 3 351 MN
+1,53	26. ... Bc8 27.Ra1 Bd8 28.c3 Qc5 29.Qxc5 dxc5
+1,70	26. ... Qa5 27.h3 Rc8 28.Ra1 Bc6 29.Bxc6 Rxc6
+2,65	26. ... Qc5 27.Qxc5 dxc5 28.Bxb7 Kc7 29.Bxa6 Bxa4
+2,79	26. ... Qxa4 27.Ra3 Qd4 28.Qxd4 exd4 29.Rxf4 Rh7
+3,62	26. ... Bxa4 27.Ra3 Bd8 28.c3 Qb6 29.Rxa4 Qxf2		<---- Nakamura
+5,27	26. ... Bd8 27.Rb3 Qc5 28.Rxb7+ Kc8 29.Ra7 a5

D=23/41, 114 MN
+4,18	30. ... Bxf2 31.axb5 Bc5 32.Ra2 axb5 33.Rb1 b4
+5,00	30. ... Qd3 31.g3 Bxg3 32.Qf3 Qxf3+ 33.Rxf3 Be1		<---- Nakamura (+7.72 @ D=38)
+5,68	30. ... Qxd5 31.exd5 Bxf2 32.Rxf2 Rh7 33.g3 Re7

Eval after resign:
+M27	37. ... Kc7 38.Rh7+ Kb6 39.Kg2 Ka5 40.Rxb7 Kxa4
+M24	37. ... f3 38.Rxf3 Kc7 39.Rf7+ Kb6 40.Rxb7+ Ka5

[yurikvelo]

[pgn]
[Event "US Chess Championships"]
[Site "St. Louis, MO USA"]
[Date "2016.04.14"]
[Round "1"]
[White "Hikaru Nakamura"]
[Black "Aleksandr Lenderman"]
[Result "1-0"]
[BlackElo "2618"]
[ECO "D43"]
[Opening "Semi-Slav"]
[Variation "5.g3"]
[WhiteElo "2787"]
[TimeControl "5400+30"]
[Termination "normal"]
[PlyCount "75"]
[WhiteType "human"]
[BlackType "human"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. g3 dxc4 6. Bg2 b5 7. O-O Bb7 8.
b3 cxb3 9. Qxb3 Be7 10. Ne5 a6 11. Rd1 O-O 12. Ne4 Qc7 13. Ng5 a5 14. Bh3
a4 15. Qc2 Bc8 16. Bf4 Qd8 17. Ng4 g6 18. Nxf6+ Bxf6 19. Ne4 Bg7 20. Bg2
Qb6 21. Bd6 Re8 22. Rac1 Qd8 23. Bc5 Ba6 24. Bb4 Qc7 25. d5 exd5 26. Nd6
Qd7 27. Nxe8 Qxe8 28. e4 d4 29. e5 h5 30. f4 f6 31. Rxd4 fxe5 32. fxe5 Bc8
33. Rcd1 Bd7 34. Rd6 Qxe5 35. Qxg6 Qf5 36. Bc3 Qf7 37. Rf1 Qxg6 38. Rxg6
1-0[/pgn]

Code: Select all

D=30/51, 5 513 MN, Stockfish_16033114
+0,32   19. ... Be7 20.Bg2 g5 21.Be3 f5 22.Nc5 Na6
+0,63   19. ... Bd7 20.Nxf6+ Qxf6 21.Bd6 Rc8 22.Rac1 Be8
+0,67   19. ... Bg7 20.Bg2 f5 21.Nd6 Ra7 22.Rac1 Rd7        <---- Lenderman
+0,68   19. ... Re8 20.Nd6 Rf8 21.Rac1 Bd7 22.Bg2 Na6
+0,73   19. ... Bb7 20.Rac1 Na6 21.Qd2 Bg7 22.Nd6 Rb8
+0,76   19. ... Bh8 20.Rab1 Bg7 21.e3 Bd7 22.Bf1 Na6
+0,82   19. ... h5 20.Rab1 Be7 21.Bg2 Bd7 22.Nc5 Ra7
+0,88   19. ... a3 20.Bg2 Be7 21.h4 Qb6 22.Qd2 Ra4
+1,01   19. ... Ba6 20.Rac1 Bg7 21.Bg2 Qa5 22.Bd6 Rd8
 
D=30/45, 4 259 MN
+0,67   20. ... Bd7 21.Rab1 Na6 22.e3 Re8 23.h4 Qe7
+0,72   20. ... Bb7 21.Rab1 Ra7 22.Be3 Ra8 23.Bg5 f6
+0,79   20. ... f5 21.Nd6 Ba6 22.Rab1 Qe7 23.Qc5 Qa7
+0,83   20. ... Qb6 21.Rac1 Bb7 22.Bd6 Rc8 23.Nc5 Qa7       <---- Lenderman
+0,83   20. ... Bf6 21.Rab1 Be7 22.h4 Re8 23.Nc5 Qb6
+0,85   20. ... f6 21.h4 Bd7 22.Nc5 Qe7 23.Rac1 Bc8
 
D=31/49, 1 354 MN
+0,92   21. ... Nd7 22.Bxf8 Bxf8 23.Qd2 Qd8 24.Qf4 Be7
+0,97   21. ... Re8 22.Bc5 Qa5 23.Rab1 Ba6 24.h4 Qc7        <---- Lenderman
+0,98   21. ... Rd8 22.Be7 Re8 23.Bc5 Qa5 24.Rab1 Ba6
 
D=27/44, 1 902 MN
+0,67   24. ... Bf8 25.Qb2 Bxb4 26.Qxb4 Ra7 27.a3 Qe7
+0,78   24. ... Bb7 25.Nd6 Re7 26.Nxb5 Rd7 27.Nc3 Bxd4
+0,83   24. ... Bh6 25.e3 Bf8 26.Bc5 f5 27.Bxf8 Rxf8
+0,91   24. ... Ra7 25.Qd2 Rd7 26.Ba5 Qe7 27.e3 Bc8
+0,99   24. ... h6 25.Qd2 Bb7 26.Ba3 Ra7 27.Nd6 Re7
+1,06   24. ... Bf6 25.Qb2 Bg7 26.e3 Ra7 27.Nd6 Ree7
+1,10   24. ... Bh8 25.Nd6 Re7 26.e4 Rd7 27.e5 Bb7
+1,12   24. ... h5 25.Qd2 Ra7 26.Nd6 Ree7 27.e4 Red7
+1,16   24. ... Qb6 25.Qd2 Qd8 26.Nd6 Re7 27.e4 Rd7
+1,20   24. ... a3 25.Bxa3 Bb7 26.Bc5 Qc7 27.Bd6 Qa5
+1,25   24. ... Qd7 25.Nd6 Rd8 26.e4 Bh6 27.e5 Bxc1
+1,44   24. ... Kh8 25.Nd6 Re7 26.e4 Raa7 27.Bc5 Kg8
+1,44   24. ... Qc7 25.d5 exd5 26.Nd6 Rf8 27.Bxd5 Qe7       <---- Lenderman
+1,45   24. ... Rf8 25.Bxf8 Bxf8 26.Nc5 Bc8 27.e3 Ra7
+1,59   24. ... Bc8 25.Nd6 Bf8 26.Nxe8 Bxb4 27.Bxc6 Nxc6
 
D=30/52, 1 221 MN
+1,53   26. ... Rf8 27.Bxd5 Qe7 28.Bg2 Qe5 29.Ne4 Re8
+1,87   26. ... Re7 27.Bxd5 Ra7 28.Bg2 Bh6 29.e3 Bg7
+2,11   26. ... Qe7 27.Nxe8 Qxe8 28.e4 d4 29.e5 Bb7
+2,28   26. ... Qd7 27.Nxe8 Qxe8 28.e4 d4 29.e5 Bb7         <---- Lenderman
+2,43   26. ... Qd8 27.Nxe8 Qxe8 28.e4 d4 29.e5 Bb7
 
D=34/64, 45 906 MN
+3,31   30. ... Bc8 31.Rxd4 Kh7 32.Qc5 Qe6 33.Rc2 Na6
+3,31   30. ... Kh7 31.Rxd4 Bc8 32.Qc5 Qe6 33.Rc2 Na6
+3,63   30. ... Bb7 31.Rxd4 Nd7 32.Rdd1 Bh6 33.Bxc6 Bxc6
+4,17   30. ... Qd7 31.Qc5 Bc8 32.Rxd4 Qc7 33.Qxb5 Be6
+4,18   30. ... a3 31.Rxd4 Bb7 32.Qd1 Na6 33.Bxa3 b4
+4,20   30. ... Ra7 31.Rxd4 Bc8 32.Rcd1 Bd7 33.Bh3 Qc8
+4,65   30. ... Qc8 31.Rxd4 Bb7 32.Rcd1 Na6 33.Be7 Qe6
+4,69   30. ... Bh6 31.Rxd4 Bb7 32.e6 Na6 33.exf7+ Qxf7
+4,72   30. ... d3 31.Qxd3 Bb7 32.Ba3 Kh7 33.Qd8 Na6
+4,76   30. ... h4 31.Rxd4 Bb7 32.gxh4 Na6 33.Bd6 Rd8
+5,02   30. ... Qd8 31.f5 Bc8 32.fxg6 Be6 33.gxf7+ Bxf7
+5,55   30. ... Kh8 31.Rxd4 Bb7 32.Rcd1 Na6 33.Ba5 Qe7
+6,15   30. ... f5 31.Rxd4 Bb7 32.Ba3 Kh7 33.Qd2 b4
+6,24   30. ... Bh8 31.Rxd4 Bb7 32.Rcd1 Na6 33.Ba5 Qe6
+6,29   30. ... Bf8 31.Bxf8 Qxf8 32.f5 Kg7 33.Rxd4 Bc8
+6,34   30. ... Qe6 31.Rxd4 Kh7 32.Rd8 Bb7 33.Be4 c5
+6,64   30. ... f6 31.Rxd4 Kh7 32.Rcd1 f5 33.Rd8 Qf7        <---- Lenderman
+7,61   30. ... Nd7 31.Qxc6 Ra7 32.Rxd4 Qe6 33.Rd6 Qxa2
 
D=27/53, 1 134 MN
+6,96   31. ... Bc8 32.Rcd1 Bf5 33.Rd8 Bxc2 34.Rxe8+ Kh7
+7,02   31. ... Kh7 32.Rcd1 f5 33.Rd8 Qf7 34.Bd6 b4
+7,13   31. ... f5 32.Rcd1 Kh7 33.Rd8 Qf7 34.Bd6 b4
+7,52   31. ... fxe5 32.Rd6 Bc8 33.Rxg6 Ra7 34.Re1 Qd8      <---- Lenderman
+9,86   31. ... Bb7 32.Rcd1 Kh7 33.Rd8 Na6 34.Rxe8 Nxb4
+11,45  31. ... Nd7 32.Bxc6 Rc8 33.Qd1 Rxc6 34.Rxc6 Bc8
 
D=31/57, 6 227 MN
+6,70   34. ... Na6 35.Ba3 Bf5 36.Qxc6 Qxc6 37.Bxc6 Ra7
+7,57   34. ... Bf5 35.Rd8 Bxc2 36.Rxe8+ Kh7 37.Rd2 Bf5
+11,44  34. ... Qf7 35.Rxd7 Nxd7 36.Qxc6 Qe8 37.e6 Rd8
+13,15  34. ... Ra7 35.e6 Rc7 36.Bh3 c5 37.exd7 Nxd7
+13,88  34. ... h4 35.e6 Bxe6 36.Rd8 Nd7 37.Rxe8+ Rxe8
+13,95  34. ... a3 35.e6 Bxe6 36.Rd8 Nd7 37.Rxe8+ Rxe8
+14,06  34. ... Qxe5 35.Qxg6 Qe8 36.Qxe8+ Bxe8 37.Rd8 Kf7   <---- Lenderman
 
D=31/61, 2 105 MN
+16,10  35. ... Qe8 36.Qxe8+ Bxe8 37.Rd8 Kf7 38.Rf1+ Bf6
+M16    35. ... Be8 36.Rd8 Nd7 37.Rxa8 Nb8 38.Rd8 Qe3+
+M16    35. ... Qf5 36.Bc3 Qxg6 37.Rxg6 Kf7 38.Rxg7+ Ke8    <---- Lenderman
+M11    35. ... Ra6 36.Rf1 Qe3+ 37.Kh1 Qe8 38.Bc3 Qxg6
 
+M15    36. ... Qxg6 37.Rxg6 Kf7 38.Rxg7+ Ke8 39.Rf1 Kd8
+M08    36. ... Qg4 37.Rf1 Qxg6 38.Rxg6 Bf5 39.Rxg7+ Kf8
+M08    36. ... Qf7 37.Rf1 Qxg6 38.Rxg6 Bf5 39.Rxg7+ Kf8    <---- Lenderman
+M06    36. ... Qc5+ 37.Bd4 Qxd4+ 38.R6xd4 Ra7 39.Rf1 Be8
+M05    36. ... Kf8 37.Qxg7+ Ke8 38.Bf6 Qc5+ 39.Kh1 Qg1+

[yurikvelo]

[pgn]
[Event "US Chess Championships"]
[Site "Saint Louis USA"]
[Date "2016.04.18"]
[Round "5"]
[White "Wesley So"]
[Black "Varuzhan Akobian"]
[Result "1-0"]
[BlackElo "2400"]
[ECO "C10"]
[Opening "French"]
[Variation "Rubinstein, 5.Nf3 Ngf6 6.Nxf6+"]
[WhiteElo "2400"]
[TimeControl "5400+30"]
[Termination "normal"]
[PlyCount "47"]
[WhiteType "human"]
[BlackType "human"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3
c5 8. Be3 cxd4 9. Bxd4 Be7 10. Bd3 O-O 11. Qc2 h6 12. O-O-O Qa5 13. Kb1 Rd8
14. Ne5 Bd7 15. Qe2 Bc6 16. Rhe1 Bd5 17. c4 Bxg2 18. Bc3 Qb6 19. Rg1 Bc6
20. Nxf7 Kxf7 21. Rxg7+ Kxg7 22. Qxe6 Qxf2 (22. .. Re8 23. Rg1+ Kf8 24. Qf5
Bg2 25. Rxg2 Red8 26. Rg6 Rd4 27. Rxh6 Rad8 28. a3 Qc6 29. Rh8+ Kg7 30.
Rh7+ Nxh7 31. Qxh7+ Kf8 32. Bxd4 Rxd4 33. Qh8+ Kf7 34. Qxd4) 23. Qxe7+ Kg8
24. Bh7+ 1-0
[/pgn]

Code: Select all

D=25/43, 592 MN, Stockfish_16033114
+0,18   8. ... Be7 9.Bd3 Qc7 10.0-0 b6 11.Bb5+ Bd7
+0,39   8. ... Qc7 9.Ne5 a6 10.Qa4+ Bd7 11.Nxd7 Nxd7
+0,39   8. ... Qb6 9.Ne5 cxd4 10.Nc4 Qc7 11.Bxd4 Bc5
+0,40   8. ... Bd7 9.Ne5 Qc7 10.Nxd7 Nxd7 11.Qa4 a6
+0,58   8. ... cxd4 9.Bxd4 Bd7 10.Ne5 Bd6 11.Bd3 0-0            <---- Akobian
+0,60   8. ... Ng4 9.Bg5 Qb6 10.Be2 Nf6 11.0-0 Be7
 
D=30/47, 1 718 MN
+0,56   11.Qe2 Bd7 12.0-0 Bc6 13.Rad1 Bxf3 14.Qxf3 Qd5
+0,56   11.0-0 b6 12.Qc2 h6 13.Rfd1 Qe8 14.a4 Bb7
+0,51   11.Qc2 h6 12.0-0 Qc7 13.Rfe1 Rd8 14.Rad1 Bd7            <---- Wesley So
 
D=25/41, 854 MN
+0,65   12.Rd1 Qc7 13.Be5 Qb6 14.0-0 Rd8 15.b4 Bd7
+0,48   12.Qe2 Bd7 13.0-0 Qc7 14.Rad1 Rfd8 15.Be5 Qb6
+0,43   12.h4 Qa5 13.Ne5 Rd8 14.Kf1 Qc7 15.Re1 b6
+0,43   12.0-0 b6 13.Rfd1 Qe8 14.Ne5 Bb7 15.a4 Qc8
+0,40   12.Rg1 Nd5 13.0-0-0 Qa5 14.Kb1 Bd7 15.Ne5 Ba4
+0,26   12.0-0-0 Qa5 13.Kb1 b5 14.Qe2 Bb7 15.Bxb5 Nd5           <---- Wesley So
+0,24   12.a3 Qc7 13.0-0-0 Bd7 14.Ne5 a6 15.Kb1 Bb5
 
D=24/40, 509 MN
+0,30   13. ... b5 14.Qe2 Bb7 15.Bxb5 Nd5 16.Be5 Bf6
+0,78   13. ... Rd8 14.Rhg1 Bd7 15.g4 Ba4 16.b3 Rxd4            <---- Akobian
+1,24   13. ... Qc7 14.g4 Nxg4 15.Qe2 f5 16.Rhg1 Bf6
 
D=31/52, 455 MN
+0,75   18. ... Bb4 19.Nxf7 Rxd3 20.Nxh6+ Kh8 21.Rxd3 Bxc3
+0,99   18. ... Qb6 19.Rg1 Rxd3 20.Nxd3 Qc6 21.Ne5 Qe4+         <---- Akobian
+1,01   18. ... Qa6 19.Rg1 Rxd3 20.Nxd3 Qc6 21.Ne5 Qe4+
 
D=34/56, 2 039 MN
+1,10   19. ... Rxd3 20.Nxd3 Qc6 21.Ne5 Qe4+ 22.Qc2 Rd8
+1,20   19. ... Bh3 20.Qd2 Rxd3 21.Nxd3 Kf8 22.Ka1 Bf5
+2,16   19. ... Bc6 20.Rde1 Rxd3 21.Qxd3 Qxf2 22.Nxc6 bxc6      <---- Akobian
 
D=30/56, 1 713 MN
+2,74   20.Ka1 Be8 21.Qf3 g6 22.Rde1 Rxd3 23.Qxd3 Rd8
+2,17   20.Rde1 Rxd3 21.Qxd3 Qxf2 22.Nxc6 bxc6 23.Ref1 Qh4
+1,80   20.Rg3 Rxd3 21.Nxd3 Kf8 22.Rdg1 g6 23.Ka1 Rd8
+1,57   20.Qd2 Rxd3 21.Nxd3 Kf8 22.Ne5 Be4+ 23.Ka1 Rd8
+1,27   20.Nxf7 Rxd3 21.Nxh6+ Kf8 22.Rxd3 Be4 23.Ng4 Rd8        <---- Wesley So
 
D=32/63, 453 MN
+1,38   20. ... Rxd3 21.Nxh6+ Kf8 22.Rxd3 Be4 23.Ng4 Rd8
+2,17   20. ... Kxf7 21.Rxg7+ Kxg7 22.Qxe6 Re8 23.Rg1+ Kf8      <---- Akobian
 
D=31/65, 576 MN
+2,25   22. ... Re8 23.Rg1+ Kf8 24.Qf5 Bg2 25.Rxg2 Red8         (+2.19 @ D=50)
+2,63   22. ... Rd7 23.Rg1+ Bg2 24.Qxd7 Kf8 25.Qf5 Qc6
+6,33   22. ... Kf8 23.Bxf6 Rd7 24.Rg1 Bg2 25.Bg7+ Kxg7
+M10    22. ... Bg2 23.Qxe7+ Kg8 24.Rg1 Qxf2 25.Rxg2+ Qxg2
+M07    22. ... Qb4 23.Rg1+ Kf8 24.Bxb4 Rd6 25.Bxd6 Bxd6
+M07    22. ... Qxf2 23.Qxe7+ Kg8 24.Bxf6 Qxf6 25.Qxf6 Bg2      <---- Akobian
+M06    22. ... Qxb2+ 23.Bxb2 Kf8 24.Bxf6 Bd6 25.Rg1 Bg2
+M06    22. ... Qe3 23.fxe3 Kf8 24.Bxf6 Bd6 25.Rg1 Bg2
+M06    22. ... Be4 23.Qxe7+ Kh8 24.Bxf6+ Qxf6 25.Qxf6+ Kg8
+M06    22. ... Qc5 23.Rg1+ Bg2 24.Rxg2+ Qg5 25.Qxe7+ Kg8
+M06    22. ... Rd4 23.Qxe7+ Kg8 24.Rg1+ Bg2 25.Rxg2+ Ng4
+M06    22. ... Qd4 23.Qxe7+ Kh8 24.Bxd4 Rxd4 25.Qxf6+ Kg8

[yurikvelo]

[pgn]
[Event "US Chess Championships"]
[Site "Saint Louis USA"]
[Date "2016.04.18"]
[EventDate "2016.04.13"]
[Round "5"]
[Result "1-0"]
[White "Jeffery Xiong"]
[Black "Gata Kamsky"]
[ECO "B03"]
[WhiteElo "2618"]
[BlackElo "2678"]
[PlyCount "75"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8.
Rc1 O-O 9. b3 Bf5 10. d5 e5 11. dxe6 Bxe6 12. Nge2 d5 13. c5 Nc6 14. Nd4
Bxd4 15. Bxd4 Re8 16. cxb6 Qh4 17. Ne2 axb6 18. Qd2 Bf5 19. Kd1 Rxe2 20.
Bxe2 Nxd4 21. f3 Qf2 22. Re1 Be6 23. Rc3 Nc6 24. Bf1 Qh4 25. Bb5 Nd4 26.
Bf1 Nf5 27. Rd3 d4 28. g3 Qf6 29. Ke2 Bd7 30. a4 b5 31. a5 Bc6 32. Kf2 Ne3
33. Be2 Rd8 34. Kg1 Kg7 35. Bd1 Bxf3 (35. .. h5 36. Qb2 Rd6 37. f4 b4 38.
Rexe3 dxe3 39. Qxf6+ Rxf6 40. Rxe3) 36. Bxf3 Qxf3 37. Rexe3 (37. Rxd4) 37.
.. dxe3 38. Qb2+ *
[/pgn]

Code: Select all

D=25/51, 2 190 MN
-0,11	35. ... Rd7 36.Qb2 b4 37.f4 Rd6 38.Rexe3 dxe3
-0,10	35. ... h5 36.Qb2 Rd6 37.f4 b4 38.Rexe3 dxe3
-0,10	35. ... Rd6 36.Qb2 b4 37.f4 h6 38.Rexe3 dxe3
-0,10	35. ... h6 36.Qb2 Rd6 37.f4 b4 38.Rexe3 dxe3
-0,09	35. ... g5 36.Qb2 Rd6 37.Rexe3 dxe3 38.Qxf6+ Rxf6
=0,00	35. ... b4 36.Qxb4 h5 37.Qb6 Rd6 38.Qc5 Rd5
=0,00	35. ... Re8 36.f4 Rd8 37.Qb2 Rd6 38.b4 h5
+0,05	35. ... Rd5 36.f4 Rd8 37.Qb2 Rd6 38.b4 h5
+0,07	35. ... Kh6 36.Qb2 Rd6 37.b4 Kg7 38.f4 h5
+0,21	35. ... Nf5 36.Qf4 Rd5 37.b4 g5 38.Qe4 Rc5
+0,29	35. ... Be8 36.Qb2 Rd6 37.Rexe3 dxe3 38.Qxf6+ Rxf6
+0,96	35. ... Ra8 36.Rxd4 Nxd1 37.Qxd1 Rxa5 38.Rd6 Qb2
+1,46	35. ... b6 36.a6 h5 37.a7 Ra8 38.Rxd4 Nf5
+1,60	35. ... Nc4 36.bxc4 bxc4 37.Ra3 Qd6 38.Ra1 Qc5
+1,86	35. ... Nxd1 36.Rxd1 Ra8 37.b4 Re8 38.Qf2 Re6
+2,04	35. ... Rc8 36.Rxd4 Nxd1 37.Qxd1 Bxf3 38.Qd3 Qf5
+2,12	35. ... Rf8 36.Rxd4 Nxd1 37.Qxd1 Bxf3 38.Qd2 Kg8
+2,34	35. ... Nd5 36.Rxd4 b4 37.h4 Qf5 38.g4 Qf6
+2,53	35. ... Rb8 36.Rxd4 Nxd1 37.Qxd1 Qxf3 38.Qxf3 Bxf3
+2,59	35. ... Rg8 36.Rxd4 Nxd1 37.Qxd1 Bxf3 38.Qd2 Bc6
+2,66	35. ... Rh8 36.Rxd4 Nxd1 37.Qxd1 Qxf3 38.Qxf3 Bxf3
+3,99	35. ... Kg8 36.Rexe3 b4 37.f4 Bb5 38.Qxb4 dxe3
+4,78	35. ... Kh8 36.Rexe3 b4 37.Qb2 Kg8 38.Re1 Bb5
+5,15	35. ... Qd6 36.Rexe3 b4 37.Qe1 Bb5 38.Rd2 b6
+5,60	35. ... Ng2 36.Kxg2 h5 37.Kg1 h4 38.g4 b4
+5,79	35. ... Qe5 36.Rdxe3 Qc5 37.Re7 d3+ 38.Kf1 b4
+5,96	35. ... Nf1 36.Rxf1 b4 37.Qxb4 Rd5 38.Re1 Qd8
+6,07	35. ... Nc2 36.Bxc2 b4 37.Qxb4 Rd5 38.Rdd1 Rb5
+6,18	35. ... Kf8 36.Rexe3 h5 37.Re1 h4 38.Qh6+ Kg8
+6,27	35. ... Qf5 36.Rexe3 Qf6 37.Re1 Rd7 38.b4 h5
+6,42	35. ... Bd7 36.Rxd4 Nf5 37.Rxd7 Rxd7 38.Qxd7 Qc3
+6,56	35. ... Ng4 36.fxg4 h6 37.b4 Rd6 38.Bb3 Rd7
+6,63	35. ... Bxf3 36.Bxf3 Nc4 37.bxc4 bxc4 38.Ra3 Qd6	<---- Kamsky ( (+7.50 @ D=27))
+6,84	35. ... Qg5 36.Rxd4 Re8 37.Rd3 b4 38.Rdxe3 Ra8
+6,84	35. ... Qe7 36.Rxd4 Re8 37.Rd3 b4 38.Rdxe3 Qc5
+7,29	35. ... Be4 36.fxe4 Rd6 37.Qb2 Ra6 38.e5 Qe7
+7,47	35. ... Bd5 36.Rxd4 Nxd1 37.Rxd1 b6 38.a6 Ra8
+7,77	35. ... Qe6 36.Rxd4 Re8 37.Rd3 Qf6 38.Rexe3 Rxe3

D=25/59, 159 MN
+8,21	37.Rxd4 Nd5 38.Rd3 Qh5 39.Rd1 h6 40.Rxd5 Rxd5
+5,81	37.Rexe3 dxe3 38.Qb2+ Kh6 39.Rxd8 e2 40.Qc1+ g5		<---- Xiong

[yurikvelo]

31.c4! attack missed by Caruana
36.Qe4! nice, but very deep and precise attack, missed by Caruana (even for SF+Syzygy6 it took D=33 to find it out)

[pgn]
[Event "US Chess Championships"]
[Site "St. Louis, MO USA"]
[Date "2016.04.14"]
[Round "1"]
[White "Fabiano Caruana"]
[Black "Varuzhan Akobian"]
[Result "1-0"]
[BlackElo "2400"]
[ECO "B01"]
[Opening "Scandinavian"]
[Variation "2...Nf6 3.Bb5+ Bd7 4.Bc4 Bg4"]
[WhiteElo "2400"]
[TimeControl "5400+30"]
[Termination "normal"]
[PlyCount "79"]
[WhiteType "human"]
[BlackType "human"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 Nbd7 7. g4 Nb6
8. b3 Bc8 9. Bb2 Nfxd5 10. Nxd5 Nxd5 11. Qe2 e6 12. O-O-O b6 13. Nh3 Bb7
14. f4 Bd6 15. f5 Qe7 16. Bxg7 Rg8 17. Bb2 O-O-O 18. Rhf1 Rde8 19. f6 Qf8
20. g5 h6 21. Rg1 hxg5 22. Nxg5 Rh8 23. h3 Rh6 24. Rdf1 a5 25. Kb1 Kb8 26.
Rg4 Rd8 27. h4 Ka7 28. Be5 Rd7 29. Bb5 Rd8 30. Bxd6 cxd6 31. Bc4 (31. c4
Nxf6 32. Rgf4 Qg7 33. Qf2 Qg6+ 34. Ka1) 31. .. Nc7 32. Nxf7 Qxf7
33. Rg7 Qf8 34. Rxc7 Rxf6 35. Rxf6 Qxf6 36. Qxe6 (36. Qe4 d5 37.
Qh7 dxc4 38. Rxb7+ Ka6 39. Ra7+ Kb5 40. bxc4+ Ka4 41. Rd7 Rf8 42. Rd3 Qe5
43. Rc3 Rd8 44. Qe7 Qd6 45. Qg5 e5 46. Rd3 Qb4+ 47. Rb3 Qd6 48. c5 Qxd2 49.
Qxd2 Rxd2 50. cxb6 Rd1+ 51. Kb2 e4 52. b7 Rd8 53. b8=Q Rxb8 54. Rxb8 e3 55.
h5 e2 56. Re8 e1=Q 57. Rxe1 Kb4 58. h6 a4 59. a3+ Kb5 60. h7 Ka5 61. h8=Q
Kb6 62. Qf6+ Kb5 63. Re5+ Kc4 64. Qf4#) 36. .. Qxh4 (36. .. Qxe6 37. Bxe6
Kb8 38. Rh7 Be4 39. Rh6) 37. Bd5 Rb8 38. Qf7 Qe1+ 39. Kb2 Qe5+ 40. c3 1-0
[/pgn]

Code: Select all

D=24/51, 298 MN
+3,57	31.c4 Nxf6 32.Rgf4 Qg7 33.Qf2 Nd7 34.Rxf7 Qg6+	(+5.02 @ D=45)
+2,00	31.a3 Rb8 32.Bc4 Nxf6 33.Rgf4 Qe7 34.Qf2 d5
+1,70	31.Ra4 Nc7 32.c4 Ba6 33.Bxa6 Nxa6 34.Qe3 Rxh4
+1,59	31.c3 Rc8 32.c4 Nb4 33.Qe3 Rh8 34.a3 Nc6
+1,53	31.Qe1 Rc8 32.c4 Nb4 33.Qe3 Rh8 34.a3 Nc6
+1,50	31.Ba4 Rc8 32.c4 Nb4 33.d4 Rc7 34.a3 Nc6
+1,46	31.Qh2 Rc8 32.c4 Nc7 33.Bd7 Rd8 34.Ba4 Qh8
+1,37	31.Bc4 Rd7 32.Ne4 Nc7 33.Nc3 Bc6 34.Bd3 d5		<---- Caruana

D=31/72, 705 MN
+1,34	31. ... Rd7 32.Ne4 Nc7 33.Nc3 d5 34.Bb5 Ba6
+3,32	31. ... Rxf6 32.Rxf6 Nxf6 33.Rf4 Qg7 34.Qf2 d5
+3,70	31. ... Nc7 32.Nxf7 Qxf7 33.Rg7 Qf8 34.Rxc7 Rxf6			<---- Akobian (+8.60 @ D=42)
+4,01	31. ... Nxf6 32.Rgf4 Qe7 33.Qf2 d5 34.Bd3 Nd7

D=35/68, 5 244 MN
+10,07	36.Qe4 Rb8 37.Bxe6 Qe5 38.Bd5 Qxe4 39.Bxe4 Re8	(+M29 estimated)
+5,18	36.Ba6 Rb8 37.h5 Qg5 38.Bb5 a4 39.bxa4 Qf4
+3,51	36.h5 Kb8 37.Rh7 Qd4 38.Bxe6 Re8 39.Qc4 Qxc4
+3,32	36.Qxe6 Qxe6 37.Bxe6 Kb8 38.Rh7 Rf8 39.h5 Be4		<---- Caruana

36. Qe4 variation:
D=34/70, 153 MN
+10,07	36. ... Rb8 37.Bxe6 Qf1+ 38.Kb2 Qf6+ 39.c3 Qe5
+10,29	36. ... d5 37.Qh7 dxc4 38.Rxb7+ Ka6 39.Ra7+ Kb5
+M08	36. ... Qa1+ 37.Kxa1 d5 38.Qh7 Rb8 39.Bb5 a4
+M08	36. ... Qb2+ 37.Kxb2 d5 38.Qh7 Rb8 39.Bb5 a4

D=40
+3,83	36. ... Qxe6 37.Bxe6 Kb8 38.Rh7 Be4 39.Rh6 d5
+M30	36. ... Qf2 37.Rxb7+ Kxb7 38.Qe7+ Kc6 39.Qxd8 Qg1+
+M23	36. ... Qd4 37.Qf7 Qg1+ 38.Kb2 Qd4+ 39.c3 Qxd2+
+M23	36. ... Qf4 37.Bd5 Qf1+ 38.Kb2 Qa6 39.Qe7 Rb8
+M23	36. ... Qf3 37.Bd5 Qf1+ 38.Kb2 Qa6 39.Qe7 Rb8
+M17	36. ... Qe5 37.Qf7 Qe1+ 38.Kb2 Qe4 39.Bd5 Qd4+
+M15	36. ... Qxh4 37.Bd5 Rb8 38.Qf7 Qe1+ 39.Kb2 Qe5+		<---- Akobian
+M12	36. ... Kb8 37.Rxb7+ Kxb7 38.Qxf6 Rd7 39.Be6 Kc7
+M11	36. ... Rd7 37.Rxb7+ Rxb7 38.Qxf6 b5 39.Bd5 Rd7
+M11	36. ... Rc8 37.Rxb7+ Kxb7 38.Qxf6 Rc7 39.Bd5+ Kc8
+M11	36. ... Rf8 37.Qd5 Rb8 38.Qb5 Ka8 39.Qxb6 Qf5

[yurikvelo]

[pgn]
[Event "US Chess Championships"]
[Site "Saint Louis USA"]
[Date "2016.04.15"]
[EventDate "2016.04.13"]
[Round "2"]
[Result "1-0"]
[White "Ray Robson"]
[Black "Alexander Onischuk"]
[ECO "A46"]
[WhiteElo "2663"]
[BlackElo "2664"]
[PlyCount "47"]

1. Nf3 Nf6 2. d4 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Bg3 Qe7 8.
Ne5 Bxe5 9. dxe5 Nd7 10. Bb5 a6 11. Bxc6 bxc6 12. Qa4 Bb7 13. Bh4 f6 14.
exf6 gxf6 15. c4 Rg8 16. O-O h5 17. Qd1 Rg4 18. Bg3 Qh7 19. Rc1 a5 (19. ..
e5) 20. Re1 (20. Qb3) 20. .. Ba6 21. cxd5 (21. f3) 21. .. cxd5 22. e4 d4
23. Qa4 Bb7 24. Qb3 1-0
[/pgn]

Code: Select all

D=24/35, 182 MN, Stockfish_16033114
+0,13	12. ... Qd8 13.0-0 Qb6 14.c4 a5 15.f4 0-0
+0,13	12. ... Rb8 13.Rb1 0-0 14.0-0 Bb7 15.c4 Rfc8
+0,22	12. ... h5 13.Nf3 c4 14.Bh4 Qc5 15.0-0 a5
+0,28	12. ... Bb7 13.Bh4 f6 14.exf6 gxf6 15.c4 0-0		<---- Onischuk
+0,28	12. ... 0-0 13.Qxc6 Rb8 14.b3 Rb6 15.Qa4 Bb7
+0,39	12. ... a5 13.Qxc6 Rb8 14.0-0 0-0 15.b3 Bb7

D=20/35, 299 MN
+0,36	15. ... 0-0 16.0-0 e5 17.Qb3 Ra7 18.e4 d4
+0,36	15. ... e5 16.0-0 0-0 17.Qb3 Rab8 18.f4 a5
+0,37	15. ... a5 16.0-0 0-0 17.e4 Qf7 18.Bg3 Kh8
+0,45	15. ... Ra7 16.0-0 a5 17.e4 0-0 18.f4 Qg7
+0,47	15. ... Qg7 16.0-0 0-0 17.Qa5 Rac8 18.Qa3 Rce8
+0,49	15. ... Rd8 16.0-0 0-0 17.Rac1 e5 18.Qb3 Rb8
+0,49	15. ... Rb8 16.0-0 e5 17.Qa3 0-0 18.Rac1 Ba8
+0,49	15. ... h6 16.0-0 0-0 17.f4 Kh8 18.e4 Qg7
+0,50	15. ... Rg8 16.0-0 a5 17.e4 d4 18.Qb3 Ba6			<---- Onischuk
+0,50	15. ... Qd6 16.0-0 0-0 17.Rac1 Qe7 18.Qa5 Qd8
+0,51	15. ... Ne5 16.0-0 a5 17.Bg3 0-0 18.Rfd1 Nd3
+0,53	15. ... Rc8 16.0-0 0-0 17.Rac1 Kh8 18.Qa3 Qd8
+0,53	15. ... h5 16.0-0 0-0 17.f4 Kh8 18.Qb3 Rab8
+0,53	15. ... 0-0-0 16.0-0 h5 17.Rac1 Rhg8 18.Bg3 e5
+0,56	15. ... Kf8 16.0-0 Rg8 17.Qb3 Bc8 18.f4 Rg4
+0,59	15. ... Rf8 16.0-0 Rg8 17.Rac1 Kf8 18.Qb3 Bc8
+0,60	15. ... Qf7 16.Qa5 Rc8 17.0-0 Qg7 18.Rad1 e5
+0,66	15. ... Kf7 16.0-0 Rhg8 17.Qb3 Rab8 18.Bg3 e5

D=25/40, 830 MN
+0,58	17. ... Qh7 18.Qe2 0-0-0 19.Rac1 e5 20.f3 Kb8
+0,62	17. ... Qf7 18.Bg3 0-0-0 19.Nf3 e5 20.Rc1 d4
+0,65	17. ... 0-0-0 18.Bg3 Qh7 19.Nf3 e5 20.Rc1 Kb8
+0,85	17. ... Rg4 18.Bg3 0-0-0 19.h3 Rg5 20.Nf3 Rgg8		<---- Onischuk
+0,85	17. ... Qg7 18.Qxh5+ Qg6 19.Qxg6+ Rxg6 20.Bg3 Ke7
+0,88	17. ... Rh8 18.Rc1 0-0-0 19.Nb3 Kb8 20.a3 Ka8

D=25/46, 673 MN
+0,81	19. ... e5 20.Nb3 d4 21.Na5 0-0-0 22.exd4 Rxd4
+1,06	19. ... Qg7 20.h3 Rg5 21.Nf3 Rxg3 22.fxg3 Qxg3
+1,09	19. ... Rg6 20.Bd6 0-0-0 21.f4 Rg4 22.Rf2 Nb6
+1,15	19. ... 0-0-0 20.cxd5 exd5 21.h3 Rg7 22.Nf3 Qe4
+1,16	19. ... Qg8 20.h3 Rg5 21.Qf3 e5 22.Nb3 h4
+1,17	19. ... a5 20.Qb3 Ra7 21.f3 a4 22.Qa3 Rg7			<---- Onischuk	(+1.20 @ D=27)

D=22/37, 216 MN
+1,11	20.Qb3 Ra7 21.f3 Rg7 22.Bd6 h4 23.Rf2 a4			(+1.20 @ D=26)
+0,97	20.f3 Rg6 21.cxd5 exd5 22.e4 h4 23.Bd6 f5
+0,82	20.Bd6 a4 21.f3 Rg7 22.f4 h4 23.Rf2 Kf7
+0,82	20.Bc7 a4 21.Bd6 Qg7 22.Qf3 f5 23.h3 Rg5
+0,76	20.Re1 a4 21.Bd6 Qg7 22.Qf3 f5 23.Kh1 Qg6			<---- Robson
+0,68	20.Nf3 Kf7 21.h3 Rg7 22.Bd6 Kg8 23.Kh2 Ba6
+0,67	20.h3 Rg7 21.Nf3 Kf8 22.Nh4 Kg8 23.Qf3 a4

D=24/45, 2 736 MN
+0,75	20. ... a4 21.Bd6 e5 22.f3 Rg7 23.cxd5 cxd5
+0,93	20. ... e5 21.h3 Rg8 22.Nf3 Kf8 23.Nh4 Kg7
+0,94	20. ... Rg7 21.Qb3 Ra7 22.Bd6 Qf5 23.f3 Ba6
+1,01	20. ... Qg8 21.h3 Rg5 22.Qf3 e5 23.e4 d4
+1,01	20. ... Ra6 21.h3 Rg8 22.Nf3 e5 23.Nh4 Kd8
+1,08	20. ... f5 21.h3 Rg8 22.Nf3 a4 23.Nh4 Ke7
+1,10	20. ... Qg6 21.h3 Rg5 22.cxd5 cxd5 23.Qa4 Rxg3
+1,10	20. ... Qf7 21.Qb3 Ra7 22.h3 Rg8 23.Qa4 Qg7
+1,12	20. ... Rg8 21.Qb3 Ra7 22.Bd6 a4 23.Qa3 Ra6
+1,12	20. ... Qg7 21.h3 Rg5 22.Nf3 Rxg3 23.fxg3 Qxg3
+1,13	20. ... Kf7 21.Nb3 Rg7 22.cxd5 exd5 23.e4 c4
+1,15	20. ... Qh6 21.cxd5 cxd5 22.e4 a4 23.f3 Rg7
+1,17	20. ... Qh8 21.h3 Rg7 22.Nf3 a4 23.Bd6 h4
+1,19	20. ... Rg5 21.cxd5 cxd5 22.e4 h4 23.Bf4 Rg7
+1,20	20. ... Kf8 21.Qb3 Bc8 22.cxd5 a4 23.Qa3 cxd5
+1,23	20. ... Rg6 21.Qb3 Ra7 22.Bd6 e5 23.cxd5 a4
+1,28	20. ... Rd8 21.Qb3 Ba8 22.f3 Rg7 23.Bd6 Kf7
+1,29	20. ... 0-0-0 21.cxd5 exd5 22.e4 Qg7 23.h3 Rg6
+1,32	20. ... Ke7 21.Nb3 Rg7 22.cxd5 cxd5 23.Nxc5 Nxc5
+1,32	20. ... Kd8 21.Qb3 Ra7 22.Bd6 a4 23.Qa3 Ra6
+1,34	20. ... Rc8 21.Qb3 Ne5 22.Bxe5 fxe5 23.f3 Rg6
+1,35	20. ... Qe7 21.h3 Rg7 22.Qxh5+ Kf8 23.Qe2 a4
+1,43	20. ... Ra7 21.Bd6 a4 22.cxd5 cxd5 23.Bxc5 Qg6
+1,48	20. ... Ne5 21.Bxe5 fxe5 22.f3 Rg6 23.Nb3 Ba6
+1,58	20. ... Qd3 21.h3 Rxg3 22.fxg3 Ke7 23.Re2 a4
+1,74	20. ... Nf8 21.cxd5 cxd5 22.e4 Rd8 23.f3 Rg6
+1,84	20. ... Bc8 21.Qa4 Bb7 22.h3 Nb6 23.Qb3 Nxc4
+1,99	20. ... Ba6 21.f3 Rg7 22.Qa4 Rc8 23.Qxa5 Ra8		<---- Onischuk	(+2.01 @ D=31)
+2,01	20. ... Nb6 21.cxd5 cxd5 22.Rxc5 Rc8 23.Rxc8+ Nxc8
+2,11	20. ... Rxg3 21.hxg3 a4 22.Qe2 Ba6 23.e4 d4

D=30/57, 2 805 MN
+2,01	21.f3 Rg7 22.Qa4 h4 23.Qxc6 Ra7 24.Bd6 Qd3
+1,68	21.cxd5 cxd5 22.e4 e5 23.Nb3 d4 24.Nxc5 Nxc5		<---- Robson
+1,51	21.h3 Rg7 22.Qa4 h4 23.Qxc6 Ra7 24.Bb8 Qg6
+1,21	21.Bd6 Qg6 22.g3 e5 23.cxd5 cxd5 24.Ne4 Rc8

D=28/50, 592 MN
+1,37	22. ... e5 23.Nb3 Bc4 24.f3 Rg7 25.exd5 Bxb3
+1,98	22. ... Kf8 23.Qa4 e5 24.f3 Rg7 25.Qc6 Ra7
+2,05	22. ... d4 23.Qa4 Qe7 24.Qc6 Ra7 25.Bd6 Bb7			<---- Onischuk
+2,20	22. ... Rc8 23.h3 Rg7 24.exd5 e5 25.Ne4 Kf8

D=31/67, 8 644 MN
+2,06	23. ... Qe7 24.Qc6 Ra7 25.Bd6 Bb7 26.Bxe7 Bxc6
+2,26	23. ... Rc8 24.Qxa5 Ra8 25.Qa4 Qe7 26.Nb3 h4
+3,27	23. ... Bb7 24.Rxc5 h4 25.Bd6 Ra6 26.f3 Rg5			<---- Onischuk
+3,29	23. ... Ra7 24.Rxc5 h4 25.Rxa5 hxg3 26.fxg3 Qe7
+3,43	23. ... Kf8 24.Bd6+ Kg8 25.Qc6 Ra7 26.Bxc5 Nxc5
+3,44	23. ... Ke7 24.Qc6 Ra7 25.Bd6+ Kf7 26.Bxc5 Nxc5

[yurikvelo]

Robson missed deadly Kamsky mistake 33. Qd6? Re8!

[pgn]
[Event "U.S. Championships 2016 Open"]
[White "Kamsky, Gata"]
[Black "Robson, Ray"]
[Site "Saint Louis"]
[Result "½–½"]
[Date "2016.04.20"]
[WhiteElo "2678"]
[BlackElo "2663"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. g3 dxc4 6. Bg2 b5 7. Ne5 a6 8.
O-O Bb7 9. a4 Be7 10. axb5 axb5 11. Rxa8 Bxa8 12. Nxb5 cxb5 13. Bxa8 O-O
14. Bg2 Qc7 15. Bd2 Rd8 16. e3 Nd5 17. Qh5 Bd6 18. f4 g6 19. Qh4 Be7 20.
Qh3 Bb4 21. Bxb4 Nxb4 22. Qh4 Rf8 23. g4 f6 24. Nf3 Nd3 25. f5 exf5 26.
gxf5 Qe7 27. fxg6 Qxe3+ 28. Kh1 hxg6 29. Ne5 Nxe5 30. dxe5 Qxe5 31. Re1 Qg5
32. Qd4 Kg7 33. Qd6 b4 (33. .. Re8 34. Qc7+ Kh6 35. Rg1 Qe5 36. Qf7 Qe6 37.
Bd5 Qxf7 38. Bxf7 Re7 39. Rxg6+ Kh7 40. Rxf6 Kg7 41. Rf5 Rxf7 42. Rxb5 Nd7
43. Rg5+ Kf8 44. Kg2 Rf6 45. Rb5 Ke7 46. h4 Kd6 47. h5 Rf7 48. Kg3 Ne5 49.
Rb8 Rh7 50. Kh4 Rg7 51. h6 Rg4+ 52. Kh5 Rg2 53. Rb5 Rh2+ 54. Kg5 Nf7+ 55.
Kf4 Rxh6) 34. Bd5 Rc8 35. Qe6 c3 36. bxc3 bxc3 37. Rg1 Qh5 38. Be4 Rf8 39.
Rxg6+ Qxg6 40. Bxg6 Kxg6 41. Qc4 f5 42. Qxc3 Nd7 43. Qg3+ Kf7 44. Qd6 Nf6
45. Qc5 Rh8 46. Qxf5 Rh5 *

[/pgn]

Code: Select all

D=26/58, 908 MN
=0,00	33.Qa7+ Kg8 34.Qd4
=0,00	33.Re7+ Rf7 34.Rxf7+ Kxf7 35.Qa7+ Ke6 36.Bh3+ f5
-1,01	33.b3 cxb3 34.Qa7+ Rf7 35.Qxb8 b2 36.Qd6 Qc1
-1,56	33.Bf3 Qf5 34.Kg2 Qd7 35.Qe4 Qd2+ 36.Kh1 Qd3
-1,74	33.Qd6 Re8 34.Qc7+ Kh6 35.Rg1 Qe5 36.Qf7 Qe6		<---- Kamsky
-1,76	33.Bh3 Rf7 34.Qd6 Qh4 35.Re3 Qf2 36.Re7 Qf3+
-1,76	33.h4 Qf5 34.Qd6 Nd7 35.Re7+ Rf7 36.Rxf7+ Kxf7
-1,76	33.Ba8 Qf5 34.Rg1 Qe5 35.Qxe5 fxe5 36.Kg2 Na6
-1,86	33.h3 Qf5 34.Qd6 Nd7 35.Rf1 Qd3 36.Rd1 Qxd6
-1,89	33.Be4 Qf4 34.Qd5 Qe5 35.Qxe5 fxe5 36.Kg2 Rf4
-1,96	33.Bb7 Rf7 34.Bf3 Qf5 35.Kg2 Qd7 36.Qb6 Qd2+
-2,06	33.Rb1 Rf7 34.Rg1 Rd7 35.Qe4 Qe5 36.Qxe5 fxe5

D=25/55, 141 MN
-1,74	33. ... Re8 34.Qc7+ Kh6 35.Rg1 Qe5 36.Qf7 Qe6		(estimated -M52)
-1,58	33. ... Qf5 34.Rd1 Re8 35.Qc7+ Kh6 36.Rf1 Qe5
=0,00	33. ... c3 34.Bd5 Rh8 35.bxc3 Qd2 36.Rf1 Rxh2+
=0,00	33. ... Qh5 34.Bd5 Rh8 35.Qe7+ Kh6 36.Qe3+ Kg7
=0,00	33. ... Qg4 34.Bd5 Rc8 35.Qe7+ Kh6 36.Bb7 Rg8
=0,00	33. ... Qh6 34.Bd5 Kh8 35.Be4 Kg7 36.Qe7+ Rf7
=0,00	33. ... Qh4 34.Re7+ Rf7 35.Rxf7+ Kxf7 36.Qc7+ Ke6
=0,00	33. ... b4 34.Bd5 Rc8 35.Qe6 Qf5 36.Qf7+ Kh6		<---- Robson

[yurikvelo]

[pgn]
[Event "US Chess Championships"]
[Site "Saint Louis USA"]
[Date "2016.04.20"]
[EventDate "2016.04.13"]
[Round "6"]
[Result "1-0"]
[White "Fabiano Caruana"]
[Black "Alexander Onischuk"]
[ECO "C78"]
[WhiteElo "2795"]
[BlackElo "2664"]
[PlyCount "55"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5
7. Bc2 d5 8. a4 dxe4 9. axb5 Bg4 10. bxc6 exf3 11. gxf3 Be6
12. Ra5 Qd6 13. f4 e4 14. d4 exd3 15. Qxd3 O-O 16. Qxd6 Bxd6
17. Rd1 Bg4 18. Rd4 Bf3 19. Ba4 Rfe8 20. Be3 Ne4 21. Bd1 Bxd1
22. Rxd1 Rab8 23. Nd2 Rxb2 24. Nxe4 Rxe4 25. Re5 Rxe3 26. fxe3
Rb8 27. Ra5 Kf8 28. c4 1-0
[/pgn]

Code: Select all

D=29/54. 5 129 MN
+1,50   23. ... g5 24.Nxe4 Rxe4 25.Rxg5+ Kf8 26.Rh5 Rxb2
+1,50   23. ... Nxd2 24.Rxd2 Re4 25.Rxa6 g6 26.Kg2 Rc4
+1,60   23. ... Rb5 24.Rxa6 Rd5 25.Raa1 Nxd2 26.Rxd2 Rxd2
+1,83   23. ... Kf8 24.Nc4 Be7 25.Rd7 Nd6 26.Nxd6 Bxd6
+1,84   23. ... Ra8 24.Nc4 Be7 25.Rda1 f6 26.Kg2 g6
+1,94   23. ... g6 24.Nc4 Ra8 25.f3 Nf6 26.Rxd6 cxd6
+1,99   23. ... Re6 24.f5 Ree8 25.Nc4 Rb5 26.Rxb5 axb5
+1,99   23. ... f6 24.Nc4 Be7 25.Rxa6 Nd6 26.Nxd6 Bxd6
+2,05   23. ... f5 24.Nc4 Re6 25.f3 Nf6 26.Rxa6 Bf8
+2,06   23. ... Rbd8 24.Nc4 g6 25.Rxa6 Bc5 26.Rxd8 Rxd8
+2,06   23. ... Nf6 24.Nc4 Bf8 25.Rxa6 Rbd8 26.Rxd8 Rxd8
+2,12   23. ... h6 24.Nc4 Bf8 25.Rxa6 Rbc8 26.Kg2 Re6
+2,15   23. ... Rbc8 24.Nc4 Ra8 25.f5 Bf8 26.Bf4 Rec8
+2,16   23. ... Bf8 24.Nxe4 Rxe4 25.Rxa6 g6 26.Rd7 Bd6
+2,20   23. ... h5 24.Nc4 Bf8 25.Rxa6 Nf6 26.Ra7 Rbc8
+2,58   23. ... Re7 24.Nc4 Ree8 25.f3 Nf6 26.Ba7 Ra8
+2,60   23. ... Kh8 24.Nc4 f5 25.Rxf5 Kg8 26.Ra5 Be7
+2,88   23. ... Rxb2 24.Nxe4 Rxe4 25.Re5 Rxe3 26.fxe3 Rb8   <---- Onischuk

[yurikvelo]

24.fxe6! nice attack missed by Nakamura
27.Qxd5! nice attack missed by Nakamura
Both attacks win white bishop, controlling a8 passer
[pgn]
[Event "US Chess Championships"]
[Site "Saint Louis USA"]
[Date "2016.04.18"]
[EventDate "2016.04.13"]
[Round "5"]
[Result "1-0"]
[White "Hikaru Nakamura"]
[Black "Samuel Shankland"]
[ECO "B11"]
[WhiteElo "2787"]
[BlackElo "2656"]
[PlyCount "73"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 g6 7. d4 Bg7 8.
Be3 Nf6 9. Bg2 O-O 10. O-O Na6 11. e5 Nd7 12. Qd1 c5 13. f4 cxd4 14. Bxd4
Nb4 15. Ne2 Qc7 16. c3 Nc6 17. Be3 Rfc8 18. Kh1 b5 19. Rc1 Bf8 20. g4 Bc5
21. Nd4 Qb6 22. Bg1 b4 (22. .. Re8 23. a4) 23. f5 bxc3 24. bxc3 (24. fxe6
Bxd4 25. exd7 Rf8 26. Bxd4 Nxd4 27. bxc3 Ne6 28. c4 Rad8 29. cxd5 Rxd7 30.
Qa4 Rfd8 31. dxe6 Qxe6 32. Qa5 Qb6 33. Qe1 Re7 34. Rc6 Qd4 35. e6 Rf8 36.
Rxf7 Rfxf7 37. exf7+ Rxf7 38. g5 Kg7 39. Re6 Rd7 40. Bc6 Rd8 41. Re7+ Kh8
42. Bf3 h5 43. gxh6 Rd7 44. Bg2 Rxe7 45. Qxe7 a6 46. a3 a5 47. h4 Qa1+ 48.
Kh2 Qb2 49. Kg3 Qb8+ 50. Kf3 Qb2 51. Bh1 Qc3+ 52. Kg4 Qc8+ 53. Kg3 Qb8+ 54.
Kf3) 24. .. Ncxe5 25. fxe6 fxe6 26. Nxe6 Bxg1 27. Rxg1
(27. Qxd5 Bf2 28. Nc7+ Kh8 29. Nxa8 Qe3 30. Rcd1 Bh4 31. c4
Nf6 32. Qb7 Rg8 33. Nc7 Nfxg4 34. hxg4 Qh6 35. Bh3 Bd8 36. Kg2 Qg7 37. Rxd8
Rxd8 38. Qxa7 h6 39. Qb6 Nxc4 40. Qc5 Rc8 41. Qxc4 Rxc7 42. Qf4 Ra7 43. Rf2
Kh7 44. Kh2 Qc7 45. Qxc7+ Rxc7 46. a4 Ra7 47. Rf4 h5 48. gxh5 gxh5 49. Bf1 Ra5
50. Bb5 Ra7 51. Rf5 Kg7 52. Rxh5 Kg6 53. Be8+ Kg7 54. a5 Ra6 55. Ba4 Rd6
56. Bb5 Rd2+ 57. Kg3 Ra2 58. a6 Ra1 59. Bc4 Kg6 60. Re5 Ra3+ 61. Kf4 Ra4
62. Rc5 Ra3 63. Rc6+ Kg7 64. Bd5 Ra1 65. Ke5 Ra5 66. Rd6 Ra4 67. Rd7+ Kh8
68. Be6 Ra3 69. Kf6 Rxa6 70. Rd5 Rxe6+ 71. Kxe6 Kg7 72. Rg5+ Kh6 73. Kf6 Kh7
74. Rf5 Kh6 75. Kf7 Kh7 76. Rh5#) 27. .. Kh8 28. Qxd5 Rab8 29. Rge1 Qb2
30. c4 Rb6 31. c5 Rbc6 32. Rcd1 h6 33. Nf4 Rf6 34. Nd3 Nxd3 35. Qxd7 Nf2+
36. Kg1 Rcf8 37. Qd2 1-0
[/pgn]

Code: Select all

D=27, 8 231 MN, Komodo 9.3
+0,48	22. ... Re8 23.a4 a6 24.b4 Bxd4 25.a5 Qb7			(+0.64 @ D=31)
+0,63	22. ... Rab8 23.f5 Ncxe5 24.fxe6 fxe6 25.Nxe6 Bxg1
+0,80	22. ... Nxd4 23.cxd4 Be7 24.Qd2 Rxc1 25.Rxc1 Qd8
+0,89	22. ... Bxd4 23.cxd4 Ne7 24.Qd2 f5 25.Bf2 Rf8
+0,90	22. ... Rf8 23.Qd2 Rae8 24.b3 Bxd4 25.cxd4 Ne7
+0,96	22. ... Rc7 23.f5 Re8 24.b4 Bxd4 25.cxd4 Ne7
+0,97	22. ... Ne7 23.f5 Bxd4 24.fxe6 fxe6 25.cxd4 Rxc1
+0,99	22. ... Qb7 23.f5 Nxd4 24.cxd4 Be7 25.Rxc8+ Qxc8
+1,12	22. ... Kh8 23.f5 Rab8 24.Qd2 Rg8 25.fxe6 fxe6
+1,19	22. ... Qb8 23.f5 Nxd4 24.cxd4 Be7 25.h4 Rxc1
+1,24	22. ... Qd8 23.Nxb5 Bxg1 24.Rxg1 g5 25.Nd6 gxf4
+1,37	22. ... Nd8 23.f5 Qa6 24.Qd2 Rab8 25.Qf4 Bf8
+1,42	22. ... a5 23.f5 Bxd4 24.cxd4 Ne7 25.f6 Nc6
+1,45	22. ... a6 23.f5 Bxd4 24.cxd4 Qd8 25.Qd2 Rc7
+1,49	22. ... Qa6 23.f5 Nxd4 24.cxd4 Be7 25.Qf3 Rxc1
+1,53	22. ... b4 23.f5 Bxd4 24.cxd4 Qd8 25.Be3 Na5		<---- Shankland
+1,59	22. ... Kg7 23.f5 Bxd4 24.cxd4 Qd8 25.Qd2 Rc7
+1,73	22. ... Nf8 23.f5 Bxd4 24.cxd4 Qd8 25.Rc5 Nd7

D=22, 697 MN
+1,42	23. ... Ndxe5 24.fxe6 fxe6 25.Qe2 Re8 26.Nxe6 Bxg1
+1,45	23. ... Bxd4 24.cxd4 Ne7 25.f6 Nc6 26.Qd2 Kh8
+1,70	23. ... Ncxe5 24.fxe6 fxe6 25.Nxe6 Bxg1 26.Qxd5 Be3
+1,77	23. ... Nxd4 24.cxd4 Be7 25.Rxc8+ Rxc8 26.Qf3 Rf8
+2,02	23. ... Kh8 24.fxe6 fxe6 25.Nxe6 Bxg1 26.Rxg1 Ncxe5
+2,27	23. ... Ne7 24.c4 exf5 25.cxd5 Bxd4 26.Qxd4 Rxc1
+2,65	23. ... bxc3 24.fxe6 Bxd4 25.exd7 Rf8 26.Rxc3 Bxg1	<---- Shankland (estimated +M54)
+2,73	23. ... Nf8 24.fxe6 fxe6 25.Nxe6 Nxe6 26.Bxd5 Kh8
+2,89	23. ... Nd8 24.fxe6 fxe6 25.c4 Nxe5 26.cxd5 Bxd4
+3,06	23. ... gxf5 24.gxf5 Ncxe5 25.fxe6 fxe6 26.Nxe6 Bxg1
+3,36	23. ... Re8 24.fxe6 fxe6 25.Nxe6 Rxe6 26.Bxd5 Ncxe5
+3,99	23. ... exf5 24.Nxc6 Rxc6 25.Qxd5 Bxg1 26.Qxc6 Rd8

D=23, 160 MN
+2,88	24.fxe6 Bxd4 25.exd7 Rf8 26.Bxd4 Nxd4 27.bxc3 Ne6	(+3.80 @ D=40, estimated +M53)
+0,93	24.bxc3 Bxd4 25.cxd4 Qb4 26.Rc2 Nd8 27.fxe6 fxe6	<---- Nakamura	(+0.94 @ D=25)

D=24, 1 067 MN
+0,94	24. ... Bxd4 25.cxd4 Qb4 26.Rc2 Nb6 27.fxe6 fxe6
+1,30	24. ... Nxd4 25.cxd4 Bb4 26.Rxc8+ Rxc8 27.a3 Be7
+1,59	24. ... Ncxe5 25.fxe6 fxe6 26.Nxe6 Bxg1 27.Qxd5 Be3	<---- Shankland (estimated +M53)
+2,05	24. ... Kh8 25.fxe6 fxe6 26.Nxe6 Bxg1 27.Qxd5 Ncxe5
+2,35	24. ... Ne7 25.Qd2 Bxd4 26.Bxd4 Qd8 27.c4 Nc6

D=28, 440 MN
+1,98	27.Qxd5 Bf2 28.Nc7+ Kh8 29.Nxa8 Qe3 30.Rcd1 Bh4	(+2.23 @ D=30, estimated +M50)
+1,52	27.Rxg1 Nf6 28.Nf4 Rab8 29.g5 Nfd7 30.Bxd5+ Kh8	<---- Nakamura

D=25, 648 MN
+1,49	27. ... Nf6 28.Nf4 Rd8 29.Nxd5 Nxd5 30.Bxd5+ Kh8
+1,59	27. ... Qd6 28.c4 Nb6 29.cxd5 Rxc1 30.Qxc1 Rc8
+1,76	27. ... Rab8 28.Qxd5 Qc6 29.Qd2 Qb6 30.Bd5 Qd6
+2,23	27. ... Kh8 28.Qxd5 Rab8 29.Rce1 Qb5 30.Qd6 Rg8	<---- Shankland (+2.54 @ D=36)
+2,66	27. ... Qe3 28.Qxd5 Nb6 29.Qb3 Nec4 30.Rce1 Qd2

D=32, 1 680 MN
+2,54	29. ... Qb5 30.Qd6 Rg8 31.Qd4 Qb6 32.Rxe5 Qxd4
+3,49	29. ... Qb2 30.c4 Rc6 31.c5 Rbc8 32.g5 Re8			<---- Shankland (+3.70 @ D=38)

D=36, 65 028 MN
+3,70	30. ... Rb6 31.c5 Rbc6 32.Rcd1 Qc3 33.Ng5 Rxc5		<---- Shankland
+3,79	30. ... Rc6 31.c5 Re8 32.Ng5 Rcc8 33.Qd6 h6
+4,50	30. ... Nb6 31.Qxe5+ Qxe5 32.Rxe5 Nxc4 33.Ree1 a5

D=25, 5 284 MN
+3,59	32. ... Qc3 33.Ng5 Qxc5 34.Nf7+ Kg7 35.Nxe5 Qxd5
+3,74	32. ... a5 33.Rd2 Qc3 34.Rde2 Rxc5 35.Nxc5 Rxc5
+3,85	32. ... h6 33.Rd2 Qc3 34.Rde2 Rxc5 35.Nxc5 Qxc5	<---- Shankland
+3,86	32. ... Re8 33.Ng5 Rf8 34.Rb1 Qc3 35.Rxe5 Qxe5
+3,91	32. ... Rg8 33.Rd2 Qc3 34.Rde2 Ra6 35.Re3 Qb2
+3,91	32. ... a6 33.Rd2 Qc3 34.Rde2 Rxc5 35.Nxc5 Qxc5
+4,72	32. ... h5 33.gxh5 gxh5 34.Nf4 Nf6 35.Qxe5 Qxe5
+5,55	32. ... g5 33.Nxg5 Rxc5 34.Qe6 Qb6 35.Rd6 Rc1