Can Black draw this [STRONG GAME!] ?

sekos · Post by **sekos** » Thu Jun 27, 2013 1:41 pm

Hi ChessFriends,

I put some very interesting game, Book say that white WIN this.
Book ends after 20 move 20. ... Qb8 .
Is it possible that BLACK can draw this after Qb8 ?

Can someone check also on good/strong machine this VERY interesting position?

1qr1kb1r/5pp1/p1bpp2p/1pnN4/4P1PP/P3BP1R/1PP1Q3/1KNR4 w k - 8 21

[Event "Engine GAME"]
[Site "Sekoschess"]
[Date "2013.06.25"]
[Round "1"]
[White "KOMODO_CTT_Morphius"]
[Black "Houdini3_Pikulik1"]
[Result "1-0"]
[WhiteElo "2600"]
[BlackElo "2590"]
[ECO "B80"]
[TimeControl "22800"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Nbd7
8. g4 h6 9. Qd2 b5 10. a3 Bb7 11. O-O-O Rc8 12. h4 Nb6 13. Kb1 Nfd7
14. Qe1 Qc7 15. Rh3 Nc4 16. Bxc4 Qxc4 17. Nb3 Qc7 18. Qe2 Nc5 19. Nc1 Bc6
20. Nd5 Qb8 21. Nb4 Bb7 22. Bd4 Qc7 23. Nb3 f6 24. Bc3 Kf7 25. Nd4 Qb6
26. Na2 d5 27. e5 fxe5 28. Qxe5 Bd6 29. Qe1 Bc7 30. f4 Ne4 31. Rf3 Rhe8
32. g5 h5 33. Nb3 Bd6 34. Ba5 Qc6 35. Nd4 Qd7 36. Nc1 Kg8 37. Nd3 g6
38. Ne5 Qh7 39. Qe3 Qg7 40. Rff1 Bb8 41. Nb3 Ba8 42. Rde1 Kh7 43. Bb6 Bd6
44. Nd3 Qe7 45. Ba5 Bb8 46. Nd4 Qg7 47. Ne5 Kg8 48. Qd3 Bb7 49. Ne2 Nc5
50. Qe3 Ne4 51. Bc3 Bd6 52. Rd1 Ba8 53. Qd3 Kh7 54. Bb4 Bb8 55. Ng3 Bc6
56. Qb3 Qb7 57. Nxc6 Rxc6 58. Nxe4 dxe4 59. Rd2 Qf7 60. Rd4 Be5
61. Rxe4 Bg7 62. Rfe1 Qc7 63. Bd2 Qd7 64. R1e2 Qd8 65. Bc1 Qc8 66. f5 gxf5
67. g6+ Kxg6 68. Rg2+ Kh7 69. Qf3 Kg8 70. Qxh5 Rc7 71. Re1 Rf7 72. Bf4 Ree7
73. Be5 f4 74. Rg5 f3 75. Bxg7 Rxg7 76. Qxf3 Rf7 77. Qe4 Rf5 78. Rxg7+ Kxg7
79. Rg1+ Kh7 80. Qg4 Qf8 81. Qg6+ Kh8 82. Qxe6 Rf1+ 83. Rxf1 Qxf1+
84. Ka2 a5 85. Qh6+ Kg8 86. Qg6+ Kh8 87. Qe8+ Kg7 88. Qe5+ Kg8 89. Qd5+ Kg7
90. Qd4+ Kg8 91. Qd3 Qf4 92. Qxb5 Qxh4 93. c4 Kh7 94. Kb3 Qg3+ 95. Ka4 Qh4
96. Kxa5 Qe7 97. c5 Qa7+ 98. Kb4 Qg7 99. Qd3+ Kg8 100. c6 Qc7 1-0

Oryginal posting on rybkaforum

http://rybkaforum.net/cgi-bin/rybkaforu ... ?tid=27247

best regardds to all,
Sekos

zullil · Post by **zullil** » Thu Jun 27, 2013 6:44 pm

sekos wrote:Hi ChessFriends,

I put some very interesting game, Book say that white WIN this.
Book ends after 20 move 20. ... Qb8 .
Is it possible that BLACK can draw this after Qb8 ?

Can someone check also on good/strong machine this VERY interesting position?

[d]1qr1kb1r/5pp1/p1bpp2p/1pnN4/4P1PP/P3BP1R/1PP1Q3/1KNR4 w k - 8 21
[pgn]
[Event "Engine GAME"]
[Site "Sekoschess"]
[Date "2013.06.25"]
[Round "1"]
[White "KOMODO_CTT_Morphius"]
[Black "Houdini3_Pikulik1"]
[Result "1-0"]
[WhiteElo "2600"]
[BlackElo "2590"]
[ECO "B80"]
[TimeControl "22800"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Nbd7
8. g4 h6 9. Qd2 b5 10. a3 Bb7 11. O-O-O Rc8 12. h4 Nb6 13. Kb1 Nfd7
14. Qe1 Qc7 15. Rh3 Nc4 16. Bxc4 Qxc4 17. Nb3 Qc7 18. Qe2 Nc5 19. Nc1 Bc6
20. Nd5 Qb8 21. Nb4 Bb7 22. Bd4 Qc7 23. Nb3 f6 24. Bc3 Kf7 25. Nd4 Qb6
26. Na2 d5 27. e5 fxe5 28. Qxe5 Bd6 29. Qe1 Bc7 30. f4 Ne4 31. Rf3 Rhe8
32. g5 h5 33. Nb3 Bd6 34. Ba5 Qc6 35. Nd4 Qd7 36. Nc1 Kg8 37. Nd3 g6
38. Ne5 Qh7 39. Qe3 Qg7 40. Rff1 Bb8 41. Nb3 Ba8 42. Rde1 Kh7 43. Bb6 Bd6
44. Nd3 Qe7 45. Ba5 Bb8 46. Nd4 Qg7 47. Ne5 Kg8 48. Qd3 Bb7 49. Ne2 Nc5
50. Qe3 Ne4 51. Bc3 Bd6 52. Rd1 Ba8 53. Qd3 Kh7 54. Bb4 Bb8 55. Ng3 Bc6
56. Qb3 Qb7 57. Nxc6 Rxc6 58. Nxe4 dxe4 59. Rd2 Qf7 60. Rd4 Be5
61. Rxe4 Bg7 62. Rfe1 Qc7 63. Bd2 Qd7 64. R1e2 Qd8 65. Bc1 Qc8 66. f5 gxf5
67. g6+ Kxg6 68. Rg2+ Kh7 69. Qf3 Kg8 70. Qxh5 Rc7 71. Re1 Rf7 72. Bf4 Ree7
73. Be5 f4 74. Rg5 f3 75. Bxg7 Rxg7 76. Qxf3 Rf7 77. Qe4 Rf5 78. Rxg7+ Kxg7
79. Rg1+ Kh7 80. Qg4 Qf8 81. Qg6+ Kh8 82. Qxe6 Rf1+ 83. Rxf1 Qxf1+
84. Ka2 a5 85. Qh6+ Kg8 86. Qg6+ Kh8 87. Qe8+ Kg7 88. Qe5+ Kg8 89. Qd5+ Kg7
90. Qd4+ Kg8 91. Qd3 Qf4 92. Qxb5 Qxh4 93. c4 Kh7 94. Kb3 Qg3+ 95. Ka4 Qh4
96. Kxa5 Qe7 97. c5 Qa7+ 98. Kb4 Qg7 99. Qd3+ Kg8 100. c6 Qc7 1-0
[/pgn]

Oryginal posting on rybkaforum

http://rybkaforum.net/cgi-bin/rybkaforu ... ?tid=27247

best regardds to all,
Sekos

sekos · Post by **sekos** » Thu Jun 27, 2013 8:37 pm

Thanx Louis for diagram

zullil · Post by **zullil** » Thu Jun 27, 2013 9:02 pm

sekos wrote:Hi ChessFriends,

Can someone check also on good/strong machine this VERY interesting position?

[d]1qr1kb1r/5pp1/p1bpp2p/1pnN4/4P1PP/P3BP1R/1PP1Q3/1KNR4 w k - 8 21

Original posting on rybkaforum

http://rybkaforum.net/cgi-bin/rybkaforu ... ?tid=27247

best regards to all,
Sekos

Stockfish (latest developmental version, 8 threads, 4 GB hash) says White should play Bd2, giving a very small advantage. I'll let the search run longer.

Code: Select all

info depth 35 seldepth 70 score cp 22 nodes 55584737977 nps 7116715 time 7810448 multipv 1 pv e3d2 c6d7 d5e3 b8b6 e2e1 f8e7 d2c3 e8g8 c1d3 c5a4 c3b4 f8e8 g4g5 h6h5 d3f4 g7g6 h3h1 a4c5 e1d2 d7c6 h1e1 c6b7 b4a5 b6c6 f4e2 c5a4 a5b4 c6b6 b1a1

sekos · Post by **sekos** » Thu Jun 27, 2013 10:26 pm

can You put full analysis , On slow time of course!

Thanks for reply!

zullil · Post by **zullil** » Thu Jun 27, 2013 11:13 pm

sekos wrote:can You put full analysis , On slow time of course!

Thanks for reply!

Here is Stockfish's full search log for the current search, which is still going:

Code: Select all

Searching: 1qr1kb1r/5pp1/p1bpp2p/1pnN4/4P1PP/P3BP1R/1PP1Q3/1KNR4 w k - 8 21
infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0
 1   +0.75   00:00     216  Bd4 
 2   +0.75   00:00     745  Bd4 Bxd5 exd5 
 3   +0.91   00:00    2169  Bxc5 dxc5 Nd3 exd5 exd5+ Be7 dxc6 Rxc6 
 4   +0.85   00:00    3599  Nb4 Be7 Bxc5 dxc5 Nxa6 
 5   +0.75   00:00    4811  Nb4 Bb7 Ncd3 Be7 Nf4 
 6   +0.67   00:00    6142  Nb4 Bb7 Ncd3 Be7 Nxc5 dxc5 
 7   +0.32   00:00   18975  Nb4 Bb7 Rhh1 Be7 Ncd3 O-O Nxc5 dxc5 Nd3 
 8   +0.44   00:00   59934  Bg1 a5 Bxc5 dxc5 f4 Ba8 Re1 c4 
 9   +0.32   00:00  162502  Nb4 Bb7 Rhh1 Qc7 Ncd3 Nxd3 Qxd3 Be7 g5 hxg5 Bxg5 
                            Bxg5 hxg5 Rxh1 Rxh1 
10   +0.32   00:00  214648  Nb4 Bb7 Bd4 e5 Be3 Be7 Ncd3 Nxd3 Rxd3 Qc7 Nd5 Bxd5 
                            Rxd5 
11   +0.59   00:00  358146  Nd3 Nxd3 Rxd3 h5 gxh5 Rxh5 Nb4 d5 Nxa6 Qb7 Nc5 Bxc5 
                            Bxc5 dxe4 
12   +0.30   00:00   1255K  Rhh1 Na4 Nb3 h5 gxh5 Bb7 Nf4 Qc7 c3 Be7 Ka1 Kf8 
13   +0.36   00:00   2409K  Rhh1 Bb7 Nc3 Be7 g5 h5 Nd3 Nxd3 Rxd3 O-O Rhd1 Qc7 
                            R3d2 e5 
14   +0.12   00:00   3827K  Nd3 Nxd3 Rxd3 b4 Nb6 Rc7 a4 Rb7 Qf2 Be7 c3 Rc7 Rh2 
                            bxc3 Rxc3 
15   +0.24   00:01   6181K  Nf4 Be7 Ncd3 Nxd3 Qxd3 Bb7 Nh5 g6 Nf4 Qc7 Qd2 e5 Ne2 
                            h5 g5 O-O Nc3 Qc4 Rhh1 
16   +0.24   00:01   6969K  Nf4 Be7 Ncd3 Nxd3 Qxd3 Bb7 Nh5 g6 Nf4 Qc7 Qd2 e5 Ne2 
                            h5 g5 O-O Nc3 Qc4 Rhh1 
17   +0.14   00:03  16329K  Nf4 Be7 Ncd3 a5 Nh5 Nxd3 Qxd3 g6 Ng3 b4 axb4 Qxb4 
                            Bd2 Qb7 Qc3 e5 Qa3 d5 Qxa5 
18   +0.26   00:07  44353K  Rhh1 Na4 Bd4 b4 axb4 Bb5 Qe3 exd5 exd5+ Kd7 Qf4 Qc7 
                            Qxf7+ Kd8 Qxc7+ Rxc7 h5 Rg8 Nd3 Be7 Nf4 Rc4 Ne6+ Kd7 
                            c3 Bf6 
19   +0.20   00:11  70372K  Nd3 Nxd3 Rxd3 b4 Nb6 Rc7 c4 bxa3 Rxa3 d5 exd5 Bxa3 
                            bxa3 Bd7 Qb2 O-O Bf4 exd5 cxd5 Re8 Bxc7 Re1+ Ka2 
                            Qxc7 
20   +0.30   00:12  76311K  Nd3 Nxd3 Rxd3 b4 Nb6 Rc7 c4 bxc3 Rxc3 Qb7 Bd4 Bb5 
                            Rxc7 Qxc7 Qd2 f6 a4 Bc6 Rh1 Kf7 Rc1 Be7 
21   +0.20   00:15  91855K  Rh2 Na4 Bd4 Bb7 Nb4 e5 Be3 Be7 Nd5 Bxd5 Rxd5 Rc4 Na2 
                            O-O b3 Nc3+ Nxc3 Rxc3 g5 hxg5 Qe1 Rxe3 Qxe3 gxh4 f4 
                            Qc7 
22   +0.26   00:25 160434K  Rh2 Bb7 Nc3 h5 g5 Be7 Bd4 O-O f4 g6 f5 Qc7 f6 Bd8 e5 
                            d5 Qe3 Re8 Re2 Qc6 Red2 Bb6 Nd3 Nxd3 Rxd3 Bc7 
23   +0.26   00:27 172004K  Rh2 Bb7 Nc3 h5 g5 Be7 Bd4 O-O f4 g6 f5 Qc7 f6 Bd8 e5 
                            d5 Qe3 Re8 Re2 Qc6 Red2 Bb6 Nd3 Nxd3 Rxd3 Bc7 
24   +0.10   00:40 255537K  Rh2 Bd7 Nf4 b4 axb4 Qxb4 Ncd3 Nxd3 Qxd3 Bb5 Qd2 Qxd2 
                            Bxd2 Be7 Bb4 Kd7 Rhd2 Rc6 Bc3 Rg8 Nh5 f6 Bb4 e5 c3 
                            g5 hxg5 fxg5 
25   +0.36   01:51 737205K  Rh2 a5 Nd3 Na4 Bd4 Qb7 b3 e5 bxa4 exd4 axb5 Qxb5+ 
                            Nb2 Qxe2 Rxe2 Be7 Nxe7 Kxe7 Rxd4 h5 e5 d5 gxh5 Rb8 
                            Kc1 Rxh5 Nd3 Rbh8 Rg2 g6 Nf4 Rxe5 Rxg6 Re1+ Kb2 
26   +0.24   02:09 852552K  Rh2 a5 Nd3 Na4 Bd4 Qb7 b3 e5 bxa4 exd4 axb5 Qxb5+ 
                            Nb2 Qxe2 Rxe2 g5 Rh1 gxh4 Rxh4 Bxd5 exd5+ Be7 Rh3 
                            Rc3 Ka2 Kd7 Nd3 Rhc8 Rhh2 R3c4 f4 Rg8 Reg2 Rgc8 Rxh6 
                            Rxc2+ Rxc2 Rxc2+ Kb3 
27   +0.10   02:48   1117M  Nb4 Bb7 Bd4 Qc7 Rhh1 Nd7 Nb3 Ne5 f4 Nc4 Rhe1 Be7 
                            Bxg7 Rg8 Bd4 a5 Na2 e5 Bf2 a4 Nbc1 exf4 Nd3 Ne5 Nxf4 
                            Rxg4 Nd5 Qc4 Nac3 Qxe2 Rxe2 Bxd5 
28   +0.34   05:07   2074M  Nb4 Bb7 Bd4 Qc7 Rhh1 Na4 Nca2 f6 Nc3 Be7 Nxa4 bxa4 
                            Bc3 Qc4 Qg2 Qb5 Qd2 O-O g5 a5 gxf6 Bxf6 Na2 d5 Bxf6 
                            Rxf6 Nc3 Qc4 Qd3 Qxd3 
29   +0.24   06:13   2516M  Nb4 Bb7 Bd4 Qc7 Rhh1 Nd7 Nb3 a5 Na2 a4 Nbc1 Qc4 Nc3 
                            b4 Qxc4 Rxc4 axb4 Rxb4 h5 Rc4 N1e2 a3 bxa3 Ba6 Rhf1 
                            Ne5 Kb2 Rc8 a4 Rb8+ Kc1 Rb4 Nb5 
30   +0.24   06:31   2637M  Nb4 Bb7 Bd4 Qc7 Rhh1 Nd7 Nb3 a5 Na2 a4 Nbc1 Qc4 Nc3 
                            b4 Qxc4 Rxc4 axb4 Rxb4 h5 Rc4 N1e2 a3 bxa3 Ba6 Rhf1 
                            Ne5 Kb2 Rc8 a4 Rb8+ Kc1 Rb4 Nb5 
31   +0.22   25:36  10800M  Nd3 a5 Rhh1 Qb7 Bd4 Na4 b3 Nc5 Nxc5 dxc5 Bb2 a4 Nf4 
                            b4 axb4 Ra8 Qd2 Qxb4 Qxb4 cxb4 h5 Ra5 Nd3 f6 Nf4 
                            axb3 cxb3 Kf7 
32   +0.12   30:15  12778M  Nd3 Qb7 Bxc5 dxc5 f4 c4 Ne5 Bd6 Nxc6 Qxc6 e5 Bc5 Nc3 
                            Rd8 Re1 Kd7 Ne4 Kc7 Rf3 Rd5 g5 Kb8 h5 Be7 gxh6 gxh6 
                            Rff1 Rhd8 Qg4 
33   +0.22   58:44  24958M  Bd2 Bd7 Ne3 Qb6 Qe1 Be7 Bc3 O-O Nd3 Na4 Bb4 Rfe8 g5 
                            h5 Nf4 g6 Rh1 Nc5 Qd2 Bc6 Bc3 Nd7 Nd3 Qa7 Rhe1 Bb7 
                            Ba5 Nb6 Bb4 Na4 Nc1 Red8 Ne2 Rd7 b3 Nc5 Bc3 Rdd8 Rf1 
                            Re8 Qd4 e5 
34   +0.22 1:01:58  26337M  Bd2 Bd7 Ne3 Qb6 Qe1 Be7 Bc3 O-O Nd3 Na4 Bb4 Rfe8 g5 
                            h5 Nf4 g6 Rh1 Nc5 Qd2 Bc6 Bc3 Nd7 Nd3 Qa7 Rhe1 Bb7 
                            Ba5 Nb6 Bb4 Na4 Nc1 Red8 Ne2 Rd7 b3 Nc5 Bc3 Rdd8 Rf1 
                            Re8 Qd4 e5 
35   +0.22 2:10:10  55584M  Bd2 Bd7 Ne3 Qb6 Qe1 Be7 Bc3 O-O Nd3 Na4 Bb4 Rfe8 g5 
                            h5 Nf4 g6 Rh1 Nc5 Qd2 Bc6 Rhe1 Bb7 Ba5 Qc6 Ne2 Na4 
                            Bb4 Qb6 Ka1 
36   +0.26 2:32:55  65337M  Bd2 Bd7 Ne3 Be7 Bc3 O-O Qd2 Rfd8 g5 h5 Ne2 Na4 Bb4 
                            Bc6 Nd4 Qb7 Rhh1 Qa7 Ba5 Rf8 Rhe1 Bd7 Nb3 Bc6 Ng2 
                            Rfe8 Nf4 g6 Bb4 e5

yanquis1972 · Post by **yanquis1972** » Fri Jun 28, 2013 3:32 am

H3 w/ a similar take--

Analysis by Houdini 3 Pro x64:

21.Nb4 Bb7 22.Ncd3 Nxd3 23.Qxd3 d5 24.Bd4 Qc7 25.exd5 Bxd5 26.Nxd5 exd5
+/= (0.50) Depth: 7/18 00:00:00 11kN
21.Rhh1
+/= (0.58 ++) Depth: 8/23 00:00:00 27kN
21.Nb4 Bb7 22.Rhh1 Na4 23.Bf4 Qc7 24.g5 hxg5 25.hxg5 Rxh1 26.Rxh1 Qc4 27.Rh8 Qxe2 28.Nxe2 Kd7 29.Be3 Nc5 30.Nc3 Be7 31.Rh7 Rg8 32.Ne2 a5 33.Nd3 Nxd3 34.cxd3
+/= (0.32) Depth: 8/23 00:00:00 51kN
= (0.08) Depth: 17/44 00:00:07 48175kN
21.Nd3 Qb7 22.Bxc5 dxc5 23.f4 Bd6 24.f5 0-0 25.fxe6 Rce8 26.exf7+ Qxf7 27.Re3 Bxd5 28.exd5 Rxe3 29.Qxe3 Qxd5 30.Qe2 Qf3 31.Qe6+ Kh7 32.Re1 Rf6 33.Qc8 Bg3 34.g5 Rd6 35.Re7 Qd1+ 36.Nc1 Bxh4
= (0.15) Depth: 17/44 00:00:12 88303kN
= (0.07) Depth: 19/52 00:00:24 185mN
21.Nb4 Bb7
= (0.19) Depth: 19/52 00:00:27 207mN
= (0.09 --) Depth: 24/63 00:03:35 1858mN
21.Nd3 Bd7 22.N5b4 Nxd3 23.Nxd3 a5 24.Bd2 Qc7 25.Bc3 Qa7 26.f4 Ra8 27.Kc1 b4 28.axb4 axb4 29.Nxb4 Qb7 30.Re3 Ra1+ 31.Kd2 Ra8 32.Nd3 Bb5 33.Ke1 Qe7 34.h5 Qh4+ 35.Kd2 Ra2 36.Bd4 Ra4
= (0.11) Depth: 24/63 00:03:49 1976mN
21.Rhh1 Bd7
= (0.18) Depth: 24/65 00:06:34 3388mN
= (0.10 --) Depth: 25/65 00:07:17 3801mN
21.Nd3 Bd7 22.N5b4 Nxd3 23.Nxd3 a5 24.Bd2 Qc7 25.Bc3 Qa7 26.f4 Ra8 27.Kc1 b4 28.axb4 axb4 29.Nxb4 Qb7 30.Re3 Ra1+ 31.Kd2 Ra8 32.Nd3 Bb5 33.Ke1 Qe7 34.h5 Qh4+ 35.Kd2 Ra2 36.Bd4 Ra4
= (0.11) Depth: 25/65 00:08:10 4282mN
21.Bd2 Bb7 22.Ne3 Be7 23.Bb4 Bf6 24.Qd2 Be5 25.Bc3 Bxc3 26.Qxc3 0-0 27.Qb4 Qc7 28.g5 h5 29.Ne2 Rfe8 30.Nc3 Red8 31.Qd4 Rd7 32.Rhh1 Qc6 33.Rhe1 a5 34.Re2 Qb6 35.Rf2 Qc6 36.Rfd2
= (0.18) Depth: 25/66 00:15:13 7964mN
= (0.16) Depth: 26/66 00:17:07 9016mN
21.Nd3 b4 22.N5xb4 Bb5 23.Qd2 Be7 24.Nc1 Nd7 25.Nbd3 Nb6 26.Bxb6 Qxb6 27.Nb3 Rc4 28.Qf2 Qxf2 29.Nxf2 0-0 30.Nd4 Bd7 31.Ne2 Rfc8 32.Rd2 R4c7 33.f4 g6 34.h5 g5 35.f5 Kg7 36.b3 d5 37.exd5
= (0.20) Depth: 26/66 00:21:01 11150mN
= (0.16) Depth: 30/71 01:17:26 42898mN
21.Bd2 Ba8 22.Nf4 Nd7 23.Bb4 Qb6 24.Nb3 Be7 25.Nd3 Qb7 26.Rh2 Nb6 27.Na5 Qd7 28.g5 Qc7 29.Qg2 d5 30.g6 0-0 31.Bxe7 Qxe7 32.gxf7+ Qxf7 33.Rg1 dxe4 34.fxe4 Qc7 35.Rh3 Na4 36.Rg3 Rf7 37.c3 Rd8
= (0.29 ++) Depth: 30/74 02:17:40 74801mN
= (0.21) Depth: 30/74 03:25:24 110350mN

zullil · Post by **zullil** » Fri Jun 28, 2013 10:35 am

zullil wrote:

sekos wrote:can You put full analysis , On slow time of course!

Thanks for reply!

Here is Stockfish's full search log for the current search, which is still going:

Code: Select all

Searching: 1qr1kb1r/5pp1/p1bpp2p/1pnN4/4P1PP/P3BP1R/1PP1Q3/1KNR4 w k - 8 21
infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0
 1   +0.75   00:00     216  Bd4 
 2   +0.75   00:00     745  Bd4 Bxd5 exd5 
 3   +0.91   00:00    2169  Bxc5 dxc5 Nd3 exd5 exd5+ Be7 dxc6 Rxc6 
 4   +0.85   00:00    3599  Nb4 Be7 Bxc5 dxc5 Nxa6 
 5   +0.75   00:00    4811  Nb4 Bb7 Ncd3 Be7 Nf4 
 6   +0.67   00:00    6142  Nb4 Bb7 Ncd3 Be7 Nxc5 dxc5 
 7   +0.32   00:00   18975  Nb4 Bb7 Rhh1 Be7 Ncd3 O-O Nxc5 dxc5 Nd3 
 8   +0.44   00:00   59934  Bg1 a5 Bxc5 dxc5 f4 Ba8 Re1 c4 
 9   +0.32   00:00  162502  Nb4 Bb7 Rhh1 Qc7 Ncd3 Nxd3 Qxd3 Be7 g5 hxg5 Bxg5 
                            Bxg5 hxg5 Rxh1 Rxh1 
10   +0.32   00:00  214648  Nb4 Bb7 Bd4 e5 Be3 Be7 Ncd3 Nxd3 Rxd3 Qc7 Nd5 Bxd5 
                            Rxd5 
11   +0.59   00:00  358146  Nd3 Nxd3 Rxd3 h5 gxh5 Rxh5 Nb4 d5 Nxa6 Qb7 Nc5 Bxc5 
                            Bxc5 dxe4 
12   +0.30   00:00   1255K  Rhh1 Na4 Nb3 h5 gxh5 Bb7 Nf4 Qc7 c3 Be7 Ka1 Kf8 
13   +0.36   00:00   2409K  Rhh1 Bb7 Nc3 Be7 g5 h5 Nd3 Nxd3 Rxd3 O-O Rhd1 Qc7 
                            R3d2 e5 
14   +0.12   00:00   3827K  Nd3 Nxd3 Rxd3 b4 Nb6 Rc7 a4 Rb7 Qf2 Be7 c3 Rc7 Rh2 
                            bxc3 Rxc3 
15   +0.24   00:01   6181K  Nf4 Be7 Ncd3 Nxd3 Qxd3 Bb7 Nh5 g6 Nf4 Qc7 Qd2 e5 Ne2 
                            h5 g5 O-O Nc3 Qc4 Rhh1 
16   +0.24   00:01   6969K  Nf4 Be7 Ncd3 Nxd3 Qxd3 Bb7 Nh5 g6 Nf4 Qc7 Qd2 e5 Ne2 
                            h5 g5 O-O Nc3 Qc4 Rhh1 
17   +0.14   00:03  16329K  Nf4 Be7 Ncd3 a5 Nh5 Nxd3 Qxd3 g6 Ng3 b4 axb4 Qxb4 
                            Bd2 Qb7 Qc3 e5 Qa3 d5 Qxa5 
18   +0.26   00:07  44353K  Rhh1 Na4 Bd4 b4 axb4 Bb5 Qe3 exd5 exd5+ Kd7 Qf4 Qc7 
                            Qxf7+ Kd8 Qxc7+ Rxc7 h5 Rg8 Nd3 Be7 Nf4 Rc4 Ne6+ Kd7 
                            c3 Bf6 
19   +0.20   00:11  70372K  Nd3 Nxd3 Rxd3 b4 Nb6 Rc7 c4 bxa3 Rxa3 d5 exd5 Bxa3 
                            bxa3 Bd7 Qb2 O-O Bf4 exd5 cxd5 Re8 Bxc7 Re1+ Ka2 
                            Qxc7 
20   +0.30   00:12  76311K  Nd3 Nxd3 Rxd3 b4 Nb6 Rc7 c4 bxc3 Rxc3 Qb7 Bd4 Bb5 
                            Rxc7 Qxc7 Qd2 f6 a4 Bc6 Rh1 Kf7 Rc1 Be7 
21   +0.20   00:15  91855K  Rh2 Na4 Bd4 Bb7 Nb4 e5 Be3 Be7 Nd5 Bxd5 Rxd5 Rc4 Na2 
                            O-O b3 Nc3+ Nxc3 Rxc3 g5 hxg5 Qe1 Rxe3 Qxe3 gxh4 f4 
                            Qc7 
22   +0.26   00:25 160434K  Rh2 Bb7 Nc3 h5 g5 Be7 Bd4 O-O f4 g6 f5 Qc7 f6 Bd8 e5 
                            d5 Qe3 Re8 Re2 Qc6 Red2 Bb6 Nd3 Nxd3 Rxd3 Bc7 
23   +0.26   00:27 172004K  Rh2 Bb7 Nc3 h5 g5 Be7 Bd4 O-O f4 g6 f5 Qc7 f6 Bd8 e5 
                            d5 Qe3 Re8 Re2 Qc6 Red2 Bb6 Nd3 Nxd3 Rxd3 Bc7 
24   +0.10   00:40 255537K  Rh2 Bd7 Nf4 b4 axb4 Qxb4 Ncd3 Nxd3 Qxd3 Bb5 Qd2 Qxd2 
                            Bxd2 Be7 Bb4 Kd7 Rhd2 Rc6 Bc3 Rg8 Nh5 f6 Bb4 e5 c3 
                            g5 hxg5 fxg5 
25   +0.36   01:51 737205K  Rh2 a5 Nd3 Na4 Bd4 Qb7 b3 e5 bxa4 exd4 axb5 Qxb5+ 
                            Nb2 Qxe2 Rxe2 Be7 Nxe7 Kxe7 Rxd4 h5 e5 d5 gxh5 Rb8 
                            Kc1 Rxh5 Nd3 Rbh8 Rg2 g6 Nf4 Rxe5 Rxg6 Re1+ Kb2 
26   +0.24   02:09 852552K  Rh2 a5 Nd3 Na4 Bd4 Qb7 b3 e5 bxa4 exd4 axb5 Qxb5+ 
                            Nb2 Qxe2 Rxe2 g5 Rh1 gxh4 Rxh4 Bxd5 exd5+ Be7 Rh3 
                            Rc3 Ka2 Kd7 Nd3 Rhc8 Rhh2 R3c4 f4 Rg8 Reg2 Rgc8 Rxh6 
                            Rxc2+ Rxc2 Rxc2+ Kb3 
27   +0.10   02:48   1117M  Nb4 Bb7 Bd4 Qc7 Rhh1 Nd7 Nb3 Ne5 f4 Nc4 Rhe1 Be7 
                            Bxg7 Rg8 Bd4 a5 Na2 e5 Bf2 a4 Nbc1 exf4 Nd3 Ne5 Nxf4 
                            Rxg4 Nd5 Qc4 Nac3 Qxe2 Rxe2 Bxd5 
28   +0.34   05:07   2074M  Nb4 Bb7 Bd4 Qc7 Rhh1 Na4 Nca2 f6 Nc3 Be7 Nxa4 bxa4 
                            Bc3 Qc4 Qg2 Qb5 Qd2 O-O g5 a5 gxf6 Bxf6 Na2 d5 Bxf6 
                            Rxf6 Nc3 Qc4 Qd3 Qxd3 
29   +0.24   06:13   2516M  Nb4 Bb7 Bd4 Qc7 Rhh1 Nd7 Nb3 a5 Na2 a4 Nbc1 Qc4 Nc3 
                            b4 Qxc4 Rxc4 axb4 Rxb4 h5 Rc4 N1e2 a3 bxa3 Ba6 Rhf1 
                            Ne5 Kb2 Rc8 a4 Rb8+ Kc1 Rb4 Nb5 
30   +0.24   06:31   2637M  Nb4 Bb7 Bd4 Qc7 Rhh1 Nd7 Nb3 a5 Na2 a4 Nbc1 Qc4 Nc3 
                            b4 Qxc4 Rxc4 axb4 Rxb4 h5 Rc4 N1e2 a3 bxa3 Ba6 Rhf1 
                            Ne5 Kb2 Rc8 a4 Rb8+ Kc1 Rb4 Nb5 
31   +0.22   25:36  10800M  Nd3 a5 Rhh1 Qb7 Bd4 Na4 b3 Nc5 Nxc5 dxc5 Bb2 a4 Nf4 
                            b4 axb4 Ra8 Qd2 Qxb4 Qxb4 cxb4 h5 Ra5 Nd3 f6 Nf4 
                            axb3 cxb3 Kf7 
32   +0.12   30:15  12778M  Nd3 Qb7 Bxc5 dxc5 f4 c4 Ne5 Bd6 Nxc6 Qxc6 e5 Bc5 Nc3 
                            Rd8 Re1 Kd7 Ne4 Kc7 Rf3 Rd5 g5 Kb8 h5 Be7 gxh6 gxh6 
                            Rff1 Rhd8 Qg4 
33   +0.22   58:44  24958M  Bd2 Bd7 Ne3 Qb6 Qe1 Be7 Bc3 O-O Nd3 Na4 Bb4 Rfe8 g5 
                            h5 Nf4 g6 Rh1 Nc5 Qd2 Bc6 Bc3 Nd7 Nd3 Qa7 Rhe1 Bb7 
                            Ba5 Nb6 Bb4 Na4 Nc1 Red8 Ne2 Rd7 b3 Nc5 Bc3 Rdd8 Rf1 
                            Re8 Qd4 e5 
34   +0.22 1:01:58  26337M  Bd2 Bd7 Ne3 Qb6 Qe1 Be7 Bc3 O-O Nd3 Na4 Bb4 Rfe8 g5 
                            h5 Nf4 g6 Rh1 Nc5 Qd2 Bc6 Bc3 Nd7 Nd3 Qa7 Rhe1 Bb7 
                            Ba5 Nb6 Bb4 Na4 Nc1 Red8 Ne2 Rd7 b3 Nc5 Bc3 Rdd8 Rf1 
                            Re8 Qd4 e5 
35   +0.22 2:10:10  55584M  Bd2 Bd7 Ne3 Qb6 Qe1 Be7 Bc3 O-O Nd3 Na4 Bb4 Rfe8 g5 
                            h5 Nf4 g6 Rh1 Nc5 Qd2 Bc6 Rhe1 Bb7 Ba5 Qc6 Ne2 Na4 
                            Bb4 Qb6 Ka1 
36   +0.26 2:32:55  65337M  Bd2 Bd7 Ne3 Be7 Bc3 O-O Qd2 Rfd8 g5 h5 Ne2 Na4 Bb4 
                            Bc6 Nd4 Qb7 Rhh1 Qa7 Ba5 Rf8 Rhe1 Bd7 Nb3 Bc6 Ng2 
                            Rfe8 Nf4 g6 Bb4 e5

Code: Select all

37   +0.30 5:39:17 146761M  Bd2 Bd7 f4 f6 Nb4 Be7 Nbd3 e5 Nb4 Be6 Nd5 Qb7 Bb4 
                            exf4 Nxf4 Bf7 Nd5 O-O Qf3 Rfe8 Ne2 Bd8 Bxc5 Rxc5 
                            Nef4 Rc8 Qg2 Qd7 Re3 Rc4 b3 Rc8 Red3 Qc6 Rc3 Qd7 
38   +0.30 5:51:22 152041M  Bd2 Bd7 f4 f6 Nb4 Be7 Nbd3 e5 Nb4 Be6 Nd5 Qb7 Bb4 
                            exf4 Nxf4 Bf7 Nd5 O-O Qf3 Rfe8 Ne2 Bd8 Bxc5 Rxc5 
                            Nef4 Rc8 Qg2 Qd7 Re3 Rc4 b3 Rc8 Red3 Qc6 Rc3 Qd7 
39   +0.4611:45:49 308957M  Bd2 Ba8 Nf4 Be7 Bc3 e5 Ng2 h5 g5 O-O Ne3 g6 Nd3 Na4 
                            Be1 Bb7 Rh1 Nb6 Rh2 Rfe8 Nb4 Rc7 Nbd5 Nxd5 Nxd5 Bxd5 
                            Rxd5 Rc5 Rd3 Qc7 Bb4 
40   +0.46 12:13:13 321073M  Bd2 Ba8 Nf4 Be7 Bc3 e5 Ng2 h5 g5 O-O Ne3 g6 Nd3 Na4 
                            Be1 Bb7 Rh1 Nb6 Rh2 Rfe8 Nb4 Rc7 Nbd5 Nxd5 Nxd5 Bxd5 
                            Rxd5 Rc5 Rd3 Qc7 Bb4 
Nodes: 414298148408
Nodes/second: 7322040
Best move: Bd2
Ponder move: Ba8

I've stopped the search. Stockfish thinks Bd2, with an advantage to White of about half a pawn.

sekos · Post by **sekos** » Fri Jun 28, 2013 11:54 am

Thank YOu very John for your analysis,

nie day!
Sekos

Can Black draw this [STRONG GAME!] ?

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Re: Can Black draw this [STRONG GAME!] ?

Re: Can Black draw this [STRONG GAME!] ?

Re: Can Black draw this [STRONG GAME!] ?

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