test position

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jdart
Posts: 4366
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

test position

Post by jdart »

This was from a correspondence game but White missed the best move:

[D] r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 15

bm Rg1!

Arasan 17.3 gets this in about 4 1/2 minutes on a quad.

--Jon
Terry McCracken
Posts: 16465
Joined: Wed Aug 01, 2007 4:16 am
Location: Canada

Re: test position

Post by Terry McCracken »

jdart wrote:This was from a correspondence game but White missed the best move:

[D] r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 15

bm Rg1!

Arasan 17.3 gets this in about 4 1/2 minutes on a quad.

--Jon
That looks pretty deadly...I'm surprised White missed it. Who were the players?
Terry McCracken
jdart
Posts: 4366
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: test position

Post by jdart »

These are not strong players. I cam across this move analyzing the opening and then saw ithe position had been reached in a game. I don't rule out it might have appeared before, but here is the game:

[pgn]
[Event "LSS ZI-2009-0-00442"]
[Site "LSS email"]
[Date "2009.06.15"]
[Round "?"]
[White "Taffijn, Aadrian"]
[Black "Dehaybe, Andre"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1860"]
[BlackElo "1796"]
[PlyCount "122"]
[EventDate "2009.06.07"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]

1. e4 b6 2. d4 e6 3. c4 Bb7 4. Bd3 f5 5. exf5 Bxg2 6. Qh5+ g6 7. fxg6 Bg7 8.
gxh7+ Kf8 9. Bg5 Nf6 10. Qh4 Bxh1 11. Ne2 Nc6 12. Nd2 Kf7 13. O-O-O Nb4 14. Bb1
Bb7 15. a3 Na2+ 16. Bxa2 Rxh7 17. Qf4 Qe7 18. Bb1 Rhh8 19. Nf3 Raf8 20. Ne5+
Ke8 21. Ng6 Nh5 22. Qe3 Qxg5 23. Qxg5 Bh6 24. f4 Bxg5 25. fxg5 Bf3 26. Nxf8
Rxf8 27. Bd3 Nf4 28. Nxf4 Bxd1 29. Ng6 Rf2 30. Kxd1 Rxh2 31. Ne5 Rxb2 32. Bg6+
Ke7 33. Bc2 Ra2 34. g6 Ra1+ 35. Ke2 Rg1 36. Kf2 Rg5 37. Nf7 Rg4 38. Ne5 Rg5 39.
Kf3 a6 40. Kf4 Rg1 41. d5 exd5 42. cxd5 Rf1+ 43. Ke3 Re1+ 44. Kd4 Rg1 45. Be4
d6 46. Nc6+ Kf6 47. Nb8 a5 48. Na6 Rc1 49. Bd3 a4 50. Nb4 Ra1 51. Nc2 Rb1 52.
Kc3 Rb3+ 53. Kd4 Rb1 54. Ne3 Rb2 55. Be4 Rb3 56. Nc2 Kg7 57. Bd3 Kf6 58. Ke3
Rc3 59. Kd4 Rb3 60. Be4 Kg7 61. Bd3 Kf6 1/2-1/2
[/pgn]
tpetzke
Posts: 686
Joined: Thu Mar 03, 2011 4:57 pm
Location: Germany

Re: test position

Post by tpetzke »

This time iCE is lucky and suspects it rather fast with a +0.52 score jump. The score goes then up each additional iteration, at depth 19 it is already more than 3 pawns.
info depth 12 seldepth 23 score cp 29 nodes 430810 nps 1455439 time 296 pv a2a3 b4a2 b1a2 h8h7 h4h7 f6h7 g5d8 a8d8 d1g1 h7f6 a2b1 d8h8 b1g6 f7e7 hashfull 22 tbhits 0
info depth 13 seldepth 25 score cp 81 nodes 453845 nps 1615106 time 281 pv d1g1 b4a2 b1a2 h8h7 h4g3 g7h8 a2b1 h7g7 e2f4 c7c5 g3d3 hashfull 39 tbhits 0
Thomas...
Thomas...

=======
http://macechess.blogspot.com - iCE Chess Engine
Hurnavich
Posts: 732
Joined: Wed Jun 19, 2013 8:14 pm

Re: test position

Post by Hurnavich »

SF Sting 4.7 gets it real fast on a quad i7 950 4254Mhz

[D] r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 15

Analysis by Sting SF 4.7:

15.Rg1 c5 16.Qg3 Nxa2+ 17.Bxa2 Rxh7 18.Bb1 Qh8 19.Bxf6 Bxf6 20.Qg6+ Ke7 21.Qxh7+ Qxh7 22.Bxh7 cxd4 23.Be4 d5 24.cxd5 Rc8+ 25.Kb1 Bxd5 26.Bxd5 exd5 27.Nf3 d3 28.Nf4 Rc2 29.Nxd5+ Kf7
+- (2.02) Depth: 19/36 00:00:15 59925kN
(Hurnavich, 06.09.2014)
"May your next game be your best"
User avatar
Ajedrecista
Posts: 1968
Joined: Wed Jul 13, 2011 9:04 pm
Location: Madrid, Spain.

Re: Test position.

Post by Ajedrecista »

Hello:

Spark finds 15.- Rg1 very fast:

[d]r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 15

Analysis by Spark 1.0 w32 (using two cores) in an Intel Pentium D930 (3 GHz), with 1 GB of hash, running under Arena 2.0.1 GUI:
Spark-1.0-win32-mp:
1 00:00 7 0 -1,49 a2a4
1 00:00 21 0 -1,10 f2f4
1 00:00 37 0 -0,99 f2f3
1 00:00 92 0 -0,96 Ne2c3
1 00:00 107 0 -0,88 Ne2f4
2/1 00:00 410 0 -1,39 Ne2f4 Kf7e8
2/2 00:00 829 0 -0,82 a2a3 Nb4c6
3/2 00:00 1.181 0 -0,78 a2a3 Nb4c6 Rd1g1
4/4- 00:00 1.886 0 -1,03 a2a3 Nb4c6 Rd1g1
4/6 00:00 4.174 0 -1,25 a2a3 Nb4c6 d4d5 Nc6e5
4/6 00:00 7.883 0 -0,81 Ne2f4 Nb4c6 d4d5 Nc6d4
5/6- 00:00 8.879 0 -1,06 Ne2f4 Nb4c6 d4d5 Nc6d4
5/8 00:00 28.416 0 -1,21 Ne2f4 Nb4xa2+ Bb1xa2 Rh8xh7 Qh4xh7 Nf6xh7 Bg5xd8 Ra8xd8
5/8 00:00 30.120 0 -1,06 Rd1g1 c7c5 d4xc5 b6xc5 Ne2c3
6/8 00:00 37.609 0 -1,07 Rd1g1 c7c5 Nd2e4 Nb4xa2+ Bb1xa2 Bb7xe4 Bg5xf6 Qd8xf6 Qh4xe4 Qf6xf2

6/10 00:00 49.789 456.779 -1,04 Ne2c3 Kf7e7 a2a3 Nb4a6 Nd2e4 Qd8f8
7/10+ 00:00 73.137 468.826 -0,79 Ne2c3 Kf7e7
7/10 00:00 79.379 464.204 -0,76 Ne2c3 Kf7e7 a2a3 Nb4c6 Rd1e1 Nc6a5 Nc3d5+ Bb7xd5 c4xd5
8/12 00:00 170.121 545.259 -0,79 Ne2c3 a7a5 Rd1g1 b6b5 Bb1g6+ Kf7e7 c4xb5 a5a4 Kc1b1
9/16 00:00 379.046 622.407 -0,68 Ne2c3 a7a5 Rd1e1 c7c5 a2a3 c5xd4 Nc3b5 Kf7e7 a3xb4 a5xb4 Qh4xd4
10/20 00:01 1.291.871 656.438 -0,68 Ne2c3 a7a5 Rd1e1 c7c5 a2a3 c5xd4 Nc3b5 Kf7e7 a3xb4 a5xb4 Qh4xd4
11/30 00:05 3.323.665 666.866 -0,54 Ne2c3 a7a5 a2a3 Nb4a6 Rd1e1 Qd8c8 Bb1c2 Kf7e7 Bc2g6 c7c6 Nd2e4
12/30 00:07 5.035.562 694.560 -0,66 Ne2c3 a7a5 a2a3 Nb4a6 Rd1e1 Qd8c8 Bb1c2 c7c5 d4d5 e6xd5 Nc3b5 Qc8c6
12/30 00:12 8.366.868 683.902 -0,30 Rd1g1 Nb4xa2+ Bb1xa2 Rh8xh7 Qh4g3 Qd8h8 h2h4 Bg7h6 Ba2b1 Bh6xg5 h4xg5 Rh7h3 Qg3xc7
13/30+ 00:21 14.413.867 681.829 -0,05 Rd1g1 Nb4xa2+
13/30+ 00:28 19.423.886 684.180 +0,20 Rd1g1 Nb4xa2+
13/30 00:33 23.314.860 687.956 +0,22 Rd1g1 Nb4xa2+ Kc1d1 Qd8f8 Ne2f4 Qf8b4 Nf4d3 Qb4f8 Nd3e5+ Kf7e8 Ne5g6 Rh8xh7 Ng6xf8 Rh7xh4 Bg5xh4 Ke8xf8 Bb1xa2
14/34 00:43 29.936.209 695.948 +0,39 Rd1g1 Nb4xa2+ Kc1d1 Qd8f8 Ne2f4 Qf8b4 Nf4d3 Qb4a4+ b2b3 Na2c3+ Kd1c2 Rh8xh7 Nd3e5+ Kf7f8 Bg5xf6 Rh7xh4 Bf6xg7+ Kf8e8 b3xa4 Nc3xb1 Rg1xb1 Rh4xh2
15/34 00:52 38.057.488 721.263 +0,39 Rd1g1 Nb4xa2+ Kc1d1 Qd8f8 Ne2f4 Qf8b4 Nf4d3 Qb4a4+ b2b3 Na2c3+ Kd1c2 Rh8xh7 Nd3e5+ Kf7f8 Bg5xf6 Rh7xh4 Bf6xg7+ Kf8e8 b3xa4 Nc3xb1 Rg1xb1 Rh4xh2
16/38 01:20 59.676.453 739.888 +0,55 Rd1g1 Nb4xa2+ Kc1d1 Qd8f8 Ne2f4 Qf8b4 Nf4d3 Qb4a4+ b2b3 Na2c3+ Kd1c2 Rh8xh7 Nd3e5+ Kf7e8 b3xa4 Rh7xh4 Bg5xh4 Nc3xb1 Rg1xg7 Nb1xd2 Bh4xf6
17/42+ 02:37 115.912.139 736.319 +0,80 Rd1g1 Nb4xa2+
17/42+ 03:20 146.619.617 729.904 +1,05 Rd1g1 Nb4xa2+
17/43+ 09:59 423.917.845 707.359 +2,05 Rd1g1 Nb4xa2+
17/44 10:47 458.576.552 708.551 +1,77 Rd1g1 Nb4xa2+ Kc1d1 c7c5 Bg5f4 Rh8xh7 Bb1g6+ Kf7e7 Bg6xh7 Qd8h8 Bf4e5 d7d6 Qh4g5 Bg7f8 Ne2f4 Qh8xh7 Qg5xf6+ Ke7e8 Nf4xe6 d6xe5 Qf6xf8+ Ke8d7
18/45+ 12:32 537.864.360 714.458 +2,02 Rd1g1 Nb4xa2+
18/45 16:22 703.665.135 716.278 +2,21 Rd1g1 c7c5 Bg5f4 Rh8xh7 Bb1xh7 Qd8h8 Bh7g6+ Kf7g8 Qh4g5 Nb4xa2+ Kc1b1 Na2b4 d4xc5 b6xc5 Qg5xc5 Nb4c6 Nd2e4 Nf6xe4 Bg6xe4 Kg8f7 b2b3 Kf7g8 Bf4d6
18/50 21:05 859.178.385 679.142 +2,21 Rd1g1 c7c5 Bg5f4 Rh8xh7 Bb1xh7 Qd8h8 Bh7g6+ Kf7g8 Qh4g5 Nb4xa2+ Kc1b1 Na2b4 d4xc5 b6xc5 Qg5xc5 Nb4c6 Nd2e4 Nf6xe4 Bg6xe4 Kg8f7 b2b3 Kf7g8 Bf4d6
I stopped the analysis at 21'05".

Regards from Spain.

Ajedrecista.
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: test position

Post by zullil »

jdart wrote:This was from a correspondence game but White missed the best move:

[D] r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 15

bm Rg1!

Arasan 17.3 gets this in about 4 1/2 minutes on a quad.

--Jon
About 4 seconds here for latest Stockfish:

Code: Select all

info depth 22 seldepth 39 score cp 146 lowerbound nodes 32310411 nps 8167444 time 3956 multipv 1 pv d1g1 b4a2 c1d1 f7e8 b1a2 e8f8 a2b1 b7c6 g5h6 g7h6
kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 4:19 pm

Re: test position

Post by kgburcham »

I am going to start Komodo 8 again and let it run while I mow my yard.

[D] r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - -

Engine: Komodo 8 64-bit (8192 MB)
by Don Dailey, Larry Kaufman, Mark Lefler
Threads now set to 6

33.14 100:35 +1.26++ 15.Rg1 (80.350.890.261) 13312
33.01 110:29 +1.38++ 15.Rg1 (88.227.538.655) 13308
33.01 122:21 +1.62++ 15.Rg1 (97.843.393.654) 13326
33.01 150:28 +1.98++ 15.Rg1 (120.714.846.778) 13370


Engine: Stockfish 300814 64 SSE4.2 (8192 MB)
by Tord Romstad, Marco Costalba and Joona
11/15 0:00 +0.94 15.Rg1 Qf8 16.Bg6+ Ke7 17.a3 Na6 18.d5 Nc5 19.b4 Kd8 20.bxc5 exd5 (314.481) 9827
12/15 0:00 +1.03 15.Rg1 Qf8 16.Bf4 Ke7 17.Bxc7 Na6 18.Bf4 Nb4 19.Qg5 Nxa2+ 20.Bxa2 Rxh7 21.Bb1 (415.893) 8664
13/19 0:00 +1.21 15.Rg1 Qf8 16.Bf4 Nc6 17.Bxc7 Ne7 18.Be5 Nc6 19.a3 Ke7 20.Qg5 Bh6 21.Bxf6+ Qxf6 22.Qxf6+ Kxf6 23.Rg6+ Kf7 24.Rxh6 (709.601) 8982
14/20 0:00 +1.10 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 d5 18.Bb1 Rh8 19.Rg1 Kf8 20.Bg6 Rh3 21.cxd5 Bxd5 22.Ne4 Bxe4 23.Bxe4 (1.734.568) 7884
15/24 0:00 +1.15 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Kf8 18.Bb1 Rh3 19.Rg1 Qe7 (2.572.113) 7817
16/24 0:00 +1.05 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Rh3 19.Ne4 Bxe4 20.Bxe4 Rah8 21.Ng3 Rxh2 22.Kb1 d5 23.Bd3 dxc4 24.Bxc4 (3.666.209) 7800
17/26 0:00 +1.05 15.Rg1 Nxa2+ 16.Bxa2 Rxh7 17.Qg3 Qh8 18.h4 Nh5 19.Qxc7 Qc8 20.Qh2 Kg8 21.Bb1 Rh8 22.Qd6 Bd5 23.Be3 Bxc4 24.Nxc4 Qxc4+ 25.Nc3 (5.180.165) 8081
18/28 0:00 +1.19 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Rh3 19.Qxc7 d6 20.Bg6+ Kf8 21.Nf4 Qxc7 22.Nxe6+ Kg8 23.Nxc7 Rb8 24.Nb5 Rd8 25.Bf4 (5.992.882) 8323
19/28 0:00 +1.28 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.d5 exd5 26.Rxd5 Rf1+ 27.Kc2 (8.161.483) 8555
20/31 0:01 +1.36 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 d5 23.cxd5 Bxd5 24.Nxd5 exd5 25.Rg1+ Kf6 26.Ba2 Rxf2 27.Bxd5 Rc8+ 28.Kd1 (10.715.028) 8899
21/40 0:01 +1.42 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.d5 exd5 26.Rg1+ Kf7 27.cxd5 Rc8+ 28.Kd2 (13.565.972) 8948
22/40 0:02 +1.29 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.Nxd6 Rh8 26.c5 Rhh4 27.cxb6 axb6 28.d5 (19.927.156) 9511
23/40 0:02 +1.22 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.Nxd6 Rh8 26.c5 Rhh4 27.cxb6 axb6 28.d5 (24.695.447) 9516
24/40 0:03 +1.34++ 15.a3 Nc6 16.Rg1 e5 17.dxe5 Nxe5 18.Nd4 Kf8 19.Bh6 Bxh6 20.Qxh6+ Ke8 21.Bg6+ Ke7 22.Re1 (29.929.532) 9771
24/40 0:03 +1.43++ 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.Nxd6 Rh8 26.Be4 Rhh4 (35.244.903) 9803
24/44 0:04 +1.47 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.Nxd6 Rh8 26.Be4 Rhh4 27.Re1 Kf6 28.c5 (45.243.218) 9983
25/44 0:04 +1.47 15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.Nxd6 Rh8 26.Be4 Rhh4 27.Re1 Kf6 28.c5 (50.289.590) 10086
26/44 0:07 +1.53++ 15.Rg1 Ke8 16.a3 Na6 17.Bg6+ Ke7 18.Nf4 Qf8 19.Nh5 c5 20.Nxf6 Bxf6 21.Be4 (80.979.124) 10426
26/44 0:08 +1.60++ 15.Rg1 c5 16.Bf4 Nxa2+ 17.Kd1 cxd4 18.Qg5 Qf8 (90.292.498) 10523
26/44 0:09 +1.68++ 15.Rg1 Na6 16.a3 Kf8 17.Bh6 Bxh6 18.Qxh6+ Ke8 19.Qg7 (100.839.624) 10613
26/44 0:10 +1.80++ 15.Rg1 c5 16.Bf4 Nxa2+ 17.Kd1 Qf8 18.dxc5 Ke8 19.Qg3 Nxh7 20.Qxg7 (112.043.742) 10716
26/44 0:11 +1.96++ 15.Rg1 c5 16.Bf4 Nxa2+ 17.Kd1 cxd4 18.Qg5 Qf8 (128.673.649) 10833
26/44 0:13 +2.17++ 15.Rg1 Ke7 16.a3 Na6 17.Bf4 Qf8 18.Qg5 d6 (153.257.295) 10957
26/44 0:17 +2.47++ 15.Rg1 Ke7 16.a3 Na6 17.Bf4 Qf8 18.Qg5 Qf7 19.Bg6 Qf8 20.Bc2 Qf7 21.Be5 Kf8 22.Nf4 Rxh7 23.Bxh7 Nxh7 24.Bxg7+ Ke8 25.Qh6 (196.898.846) 11081
26/44 0:22 +2.88++ 15.Rg1 Nd3+ 16.Bxd3 (257.903.637) 11234
26/48 0:30 +3.44++ 15.Rg1 Nd3+ 16.Bxd3 Ke7 17.Bf4 Qf8 (345.819.222) 11389
26/48 0:35 +3.40 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Kb1 Bd5 28.f4 (405.284.604) 11465
27/48 0:35 +3.34-- 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 (407.524.755) 11463
27/48 0:35 +3.27-- 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 28.Qxe4 (408.618.711) 11463
27/48 0:38 +3.46++ 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 28.Qxe4 (443.329.438) 11504
27/48 0:40 +3.47 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 28.Qxe4 (470.646.002) 11530
28/50 0:44 +3.53++ 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 (519.908.911) 11580
28/50 0:45 +3.41-- 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ (523.171.127) 11580
28/50 0:48 +3.59++ 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 (562.238.916) 11625
28/50 0:49 +3.51 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 28.Qxe4 (581.101.807) 11631
29/50 0:53 +3.58++ 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 (622.702.028) 11661
29/50 0:55 +3.58 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 28.Qxe4 (646.148.008) 11667
30/50 1:01 +3.60 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 28.Qxe4 (724.478.504) 11716
31/53 1:14 +3.67++ 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 (883.727.830) 11789
31/53 1:22 +3.68 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.f4 Bd5 28.Ne4 (979.998.919) 11817
32/53 1:24 +3.62-- 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.f4 Rf7 28.Qa3+ (994.490.754) 11815
32/53 1:24 +3.55-- 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 (998.562.429) 11818
32/53 1:31 +3.61 15.Rg1 b5 16.Nf4 bxc4 17.Nh5 Nd3+ 18.Bxd3 cxd3 19.Nxf6 Bxf6 20.Qh5+ Kf8 21.Bh6+ Ke7 22.Bg7 Qf8 23.Qc5+ Kf7 24.Bxf8 Raxf8 25.Qb5 Bc6 26.Qxd3 Ke7 27.Ne4 Bxe4 28.Qxe4 (1.079.053.472) 11826
33/53 1:43 +3.67++ 15.Rg1 b5 16.Nf4 bxc4 (1.228.129.258) 11853
33/53 2:02 +3.73++ 15.Rg1 b5 16.Nf4 bxc4 17.Nxc4 Nxa2+ 18.Kd2 Nb4 19.Ne5+ Ke7 20.Nh5 Nbd5 21.Nxg7 (1.454.960.781) 11860
33/53 2:15 +3.82++ 15.Rg1 b5 16.Nf4 bxc4 17.Nxc4 Ba6 18.Ne5+ Ke8 19.Nh5 Nd3+ 20.Bxd3 (1.614.706.006) 11890
33/53 2:31 +3.93++ 15.Rg1 b5 16.Nf4 bxc4 17.Nxc4 Nxa2+ 18.Kd2 Bd5 (1.806.183.096) 11926
33/53 2:48 +4.09++ 15.Rg1 b5 16.Nf4 bxc4 17.Nxc4 Nbd5 18.Nh5 Qf8 19.Bd2 Rxh7 (2.010.421.218) 11962
33/53 3:09 +4.31++ 15.Rg1 b5 16.Nf4 bxc4 17.Nxc4 Nxa2+ 18.Kd2 Qe7 19.Ne5+ Ke8 20.Bxf6 Qxf6 21.Qxf6 Bxf6 22.Rg8+ Ke7 23.Nfg6+ Kd6 24.Nxh8 Nb4 25.Nhf7+ Ke7 26.Ng4 Bxd4 27.Rxa8 Bxa8 (2.274.806.533) 11992
33/55 3:49 +4.61++ 15.Rg1 b5 16.Nf4 Nxa2+ 17.Kd1 bxc4 18.Nh5 c3 (2.761.215.177) 12038
33/58 4:44 +4.63 15.Rg1 Nc6 16.Nf4 Nxd4 17.Bg6+ Ke7 18.Nh5 Ne2+ 19.Kb1 Qf8 20.Re1 Rxh7 21.Bxh7 Qf7 22.Rxe2 Rh8 23.Nf4 Ke8 24.Bg6 Rxh4 25.Bxf7+ Kxf7 26.Bxh4 Ng4 27.Nd3 Nh6 28.Bd8 (3.406.941.224) 11981
34/58 5:10 +4.70++ 15.Rg1 Nc6 16.Nf4 Nxd4 17.Bg6+ Ke7 18.Nh5 Ne2+ 19.Kb1 Qf8 20.Re1 Rxh7 21.Bxh7 Qh8 22.Be4 Rb8 23.Bxb7 Rxb7 (3.717.907.670) 11985
34/58 5:14 +4.64 15.Rg1 Nc6 16.Nf4 Nxd4 17.Bg6+ Ke7 18.Nh5 Ne2+ 19.Kb1 Qf8 20.Re1 Rxh7 21.Bxh7 Qf7 22.Rxe2 Rh8 23.Nf4 Ke8 24.Bg6 Rxh4 25.Bxf7+ Kxf7 26.Bxh4 Ng4 27.Nd3 Nh6 28.Bd8 (3.762.463.550) 11978
35/58 5:39 +4.70++ 15.Rg1 Nc6 16.Nf4 Nxd4 17.Bg6+ Ke7 18.Nh5 Ne2+ 19.Kb1 Qf8 (4.069.553.153) 11980
35/58 6:10 +4.76++ 15.Rg1 Rf8 16.Nf4 Bh8 17.Bh6 c5 18.Ng6 Nxa2+ 19.Bxa2 Nxh7 (4.439.904.470) 11993
35/58 6:25 +4.76 15.Rg1 Rf8 16.Nf4 Bh8 17.Bh6 c5 18.Ng6 Nxa2+ 19.Bxa2 Nxh7 (4.622.265.685) 12001
best move: Rd1-g1 time: 6:26.610 min n/s: 12.001.427 nodes: 4.622.265.685



[Event "LSS ZI-2009-0-00442"]
[Site "LSS email"]
[Date "2009.06.15"]
[Round "?"]
[White "Taffijn, Aadrian"]
[Black "Dehaybe, Andre"]
[WhiteElo "1860"]
[BlackElo "1796"]
[ECO "A40"]
[Result "1/2-1/2"]

1. e4 b6 2. d4 e6 3. c4 Bb7 4. Bd3 f5 5. exf5 Bxg2 6. Qh5+
g6 7. fxg6 Bg7 8. gxh7+ Kf8 9. Bg5 Nf6 10. Qh4 Bxh1 11. Ne2
Nc6 12. Nd2 Kf7 13. O-O-O Nb4 14. Bb1 Bb7 15. a3 Na2+
16. Bxa2 Rxh7 17. Qf4 Qe7 18. Bb1 Rhh8 19. Nf3 Raf8
20. Ne5+ Ke8 21. Ng6 Nh5 22. Qe3 Qxg5 23. Qxg5 Bh6 24. f4
Bxg5 25. fxg5 Bf3 26. Nxf8 Rxf8 27. Bd3 Nf4 28. Nxf4 Bxd1
29. Ng6 Rf2 30. Kxd1 Rxh2 31. Ne5 Rxb2 32. Bg6+ Ke7 33. Bc2
Ra2 34. g6 Ra1+ 35. Ke2 Rg1 36. Kf2 Rg5 37. Nf7 Rg4 38. Ne5
Rg5 39. Kf3 a6 40. Kf4 Rg1 41. d5 exd5 42. cxd5 Rf1+
43. Ke3 Re1+ 44. Kd4 Rg1 45. Be4 d6 46. Nc6+ Kf6 47. Nb8 a5
48. Na6 Rc1 49. Bd3 a4 50. Nb4 Ra1 51. Nc2 Rb1 52. Kc3 Rb3+
53. Kd4 Rb1 54. Ne3 Rb2 55. Be4 Rb3 56. Nc2 Kg7 57. Bd3 Kf6
58. Ke3 Rc3 59. Kd4 Rb3 60. Be4 Kg7 61. Bd3 Kf6 1/2-1/2
User avatar
Leto
Posts: 2071
Joined: Thu May 04, 2006 3:40 am
Location: Dune

Re: test position

Post by Leto »

Komodo 8 wasn't able to find it in less than 10 minutes with my 12 core:
r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 1

Analysis by Komodo 8 64-bit 12:

15.a3
-+ (-1.81 ++) Depth: 7 00:00:00 35kN
15.a3 Nc6 16.Nf3 Ke7 17.Qg3 b5 18.d5
-+ (-1.72) Depth: 7 00:00:00 48kN
15.a3
-/+ (-1.60 ++) Depth: 8 00:00:00 66kN
15.a3 Nc6 16.Nf3 Ke7 17.Qg3 Kf8 18.d5 exd5 19.cxd5
-/+ (-1.59) Depth: 8 00:00:00 80kN
15.a3 Nc6 16.Nf3 Kf8 17.Qg3 Ne7 18.Ne5 Nf5 19.Bxf5 exf5 20.Ng6+ Kf7
-/+ (-1.52) Depth: 9 00:00:00 124kN
15.a3
-/+ (-1.40 ++) Depth: 10 00:00:00 148kN
15.a3
-/+ (-1.28 ++) Depth: 10 00:00:00 171kN
15.a3
-/+ (-1.04 ++) Depth: 10 00:00:00 205kN
15.a3 Nc6
-/+ (-1.23 --) Depth: 10 00:00:00 264kN
15.a3 Nc6 16.Nf3 Na5 17.Ne5+ Ke8 18.Bg6+ Ke7 19.Nf7 Qf8 20.Nxh8 Bxh8 21.Qf4
-/+ (-1.23) Depth: 10 00:00:00 275kN
15.a3
-/+ (-1.05 ++) Depth: 11 00:00:00 378kN
15.a3 Nc6
-/+ (-1.23 --) Depth: 11 00:00:00 556kN
15.a3
-/+ (-1.04 ++) Depth: 11 00:00:00 562kN
15.a3 Nc6 16.Nf3 Ke7 17.Ne5 Rc8 18.Ng6+ Kf7 19.Ne5+ Ke8 20.Bg6+ Ke7 21.Nf7 Qe8
-/+ (-0.76) Depth: 11 00:00:00 584kN
15.a3 Nc6 16.Nf3 Qf8 17.d5 exd5 18.Nf4 Nxh7 19.Bxh7 Bxb2+ 20.Kxb2 Qg7+ 21.Bf6 Qxf6+ 22.Qxf6+ Kxf6 23.Nxd5+ Kg7 24.Bf5 Rag8 25.Nxc7
=/+ (-0.56) Depth: 12 00:00:00 1038kN
15.a3 Nc6 16.Nf3 Ke7 17.Ne5 Na5 18.Ng6+ Kf7 19.Ne5+ Ke8 20.Bg6+ Ke7 21.d5 d6 22.Nf7 Qc8
= (-0.27) Depth: 13 00:00:00 1797kN
15.a3 Nc6 16.Nf3 Ke7 17.Ne5 Na5 18.Ng6+ Kf7 19.Ne5+ Ke8 20.Bg6+ Ke7 21.d5 Nb3+ 22.Kb1 d6 23.Nf7 Qd7 24.Nxh8
= (-0.21) Depth: 14 00:00:00 2364kN
15.a3
= (-0.04 ++) Depth: 15 00:00:00 3628kN
15.a3 Nc6 16.Nf3 Ke7 17.Ne5 Na5 18.Ng6+ Kf7 19.Ne5+ Ke7
= (0.00) Depth: 15 00:00:00 3851kN
15.a3 Nc6 16.Nf3 Ke7 17.Ne5 Na5 18.Ng6+ Kf7 19.Ne5+ Ke7
= (0.00) Depth: 16 00:00:00 5639kN
15.a3 Nc6 16.Nf3 Ke7 17.Ne5 Na5 18.Ng6+ Kf7 19.Ne5+ Ke7
= (0.00) Depth: 17 00:00:00 6251kN
15.a3
= (0.12 ++) Depth: 18 00:00:01 12239kN
15.a3
= (0.24 ++) Depth: 18 00:00:01 17979kN
15.a3
+/= (0.48 ++) Depth: 18 00:00:03 40506kN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Rh8 18.Bb1 Kg8 19.Rg1 Nh5 20.Qh4 Qe8 21.Be7 Rh6 22.Bc2 d5 23.Bg5 Rh8 24.cxd5 exd5 25.Be3 c5 26.Qg5 Rc8 27.Qf5 c4
+/= (0.67) Depth: 18 00:00:06 78023kN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Rh8 18.Bb1 d6 19.Rg1 Qe7 20.Bg6+ Kf8 21.Ne4 Bxe4 22.Bxe4 Rd8 23.h4 Qf7 24.Kb1 e5 25.Qe3 c5 26.dxe5 dxe5 27.Bc2 Qe7 28.Bg6 Qe6
+/- (0.74) Depth: 19 00:00:09 123MN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Rh8 18.Bb1 d6 19.Rg1 Qe7 20.Bg6+ Kf8 21.Ne4 Bxe4 22.Bxe4 Rd8 23.h4 Qf7 24.Kb1 e5 25.dxe5 dxe5 26.Qf5 Nxe4 27.Qxe4 Re8 28.f3 Bf6 29.Nc3 Rh5 30.Nd5
+/- (0.76) Depth: 20 00:00:11 143MN
15.a3
+/- (0.88 ++) Depth: 21 00:00:18 247MN, tb=8
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh5 19.Rg1 Rxg5 20.Qxg5 Bh6 21.Qe5 Qd6 22.Rg6 Qxe5 23.dxe5 Ng8 24.f4 Bf8 25.Ng3 Ne7 26.Rg4 Bh6 27.Nde4 Bxe4 28.Nxe4 Rg8 29.Ng5+ Bxg5
+/- (0.87) Depth: 21 00:00:28 387MN, tb=12
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh5 19.Rg1 Rxg5 20.Qxg5 Bh6 21.Qe5 Qd6 22.Rg6 Qxe5 23.dxe5 Ng8 24.f4 Rf8 25.h4 Bg7 26.Nd4 a6 27.Rg1 Ne7 28.Be4 Bxe4 29.Nxe4 Ng6 30.Rg4 Rh8
+/- (0.94) Depth: 22 00:00:35 494MN, tb=12
15.a3 Na2+
+/- (0.82 --) Depth: 23 00:00:43 626MN, tb=12
15.a3
+/- (0.94 ++) Depth: 23 00:00:51 755MN, tb=31
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh5 19.h4 Rh8 20.Rg1 Qd6 21.Qe3 Qh2 22.Bc2 Rag8 23.Kb1 Rxh4 24.Bxh4 Qxh4 25.Nf3 Bxf3 26.Qxf3 a5 27.Nf4 Bh6 28.Ng6 Qxd4 29.Rd1 Bd2 30.Qe2 Rxg6 31.Bxg6+ Kxg6 32.Rxd2
+/- (1.07) Depth: 23 00:01:06 1015MN, tb=114
15.a3
+/- (1.19 ++) Depth: 24 00:02:26 2337MN, tb=628
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rc8 23.Rg1+ Kf8 24.Nb5 Ba6 25.Nxd6 Rc6 26.N2e4 Bxc4 27.Kd2 Bd5 28.Ke3 Rh7 29.Nb5 Rh3+ 30.f3 a6 31.Nbc3 Bc4 32.Nf2 Rh2 33.Rg4 d5 34.Bd3 Bxd3
+/- (1.22) Depth: 24 00:03:01 2930MN, tb=960
15.a3 Na2+
+/- (1.08 --) Depth: 25 00:03:12 3115MN, tb=1038
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.d5 exd5 24.cxd5 Ba6 25.Nce4 Rc8+ 26.Bc2 Rh2 27.Nxd6 Rch8 28.b4 Be2 29.Rg1+ Kf8 30.Kb2 Rh1 31.Rxh1 Rxh1 32.Nc8 Rh2 33.Nxa7 Bg4 34.Nc4 Bf5 35.Ne3 Bd3 36.Nc8
+/- (1.12) Depth: 25 00:03:51 3778MN, tb=1393
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.d5 exd5 24.cxd5 Ba6 25.Nce4 Rc8+ 26.Bc2 Rh2 27.Nxd6 Rch8 28.N2e4 Rh1 29.Rxh1 Rxh1+ 30.Kd2 Rh5 31.Ne8+ Kf8 32.N8f6 Rh2+ 33.Kc3 Ke7 34.Ng4 Rh3+ 35.Kd4 Bb7 36.Ne3 Rh2 37.b4 a5 38.bxa5
+/- (1.11) Depth: 26 00:06:17 6268MN, tb=3423
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Nc3 Rxf2 23.Nde4 Bxe4 24.Nxe4 Rf4 25.Nxd6 Rh8 26.Kc2 Rh3 27.Rd2 Rh1 28.b4 Rff1 29.Ba2 Rc1+ 30.Kb2 Rcd1 31.Rg2+ Kf8 32.c5 Rxd4 33.Bc4 bxc5 34.bxc5 Rdd1 35.Rf2+ Kg8 36.Kb3 Rb1+ 37.Ka4
+/- (1.06) Depth: 27 00:07:50 7843MN, tb=6337
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qe7 18.Bb1 Qd6 19.Qxd6 cxd6 20.Bxf6 Rxh2 21.Bxg7 Kxg7 22.Be4 d5 23.Rg1+ Kh8 24.cxd5 exd5 25.Bg2 Rc8+ 26.Kd1 Rg8 27.Ng3 Rf8 28.Ngf1 Rh7 29.Nf3 Rg7 30.Ng3 d6 31.Rh1+ Rh7 32.Ng5 Rxh1+ 33.Nxh1 Rf6 34.Ke2 Kg7 35.f4 Kg6 36.Ke3 Rf8 37.Ng3 Re8+ 38.Kf3
+/- (1.09) Depth: 28 00:09:47 9842MN, tb=10278


But Komodo 8 with a quick 10 minute deep position analysis (22 seconds per half-move) with three branches found the move quickly. Unfortunately in engine vs engine matches deep position analysis or even multivariation mode is not possible so K8 would probably miss this move under standard tournament time control.
User avatar
Leto
Posts: 2071
Joined: Thu May 04, 2006 3:40 am
Location: Dune

Re: test position

Post by Leto »

Houdini 4 finds it in a little over a minute on my 12 core:

r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 1

Analysis by Houdini 4 x64 12a:

15.a3
-/+ (-1.09 ++) Depth: 7/18 00:00:00 8kN
15.a3 Na6 16.Qf4 Kf8 17.Ne4 Bxe4 18.Bxe4 d5 19.cxd5 exd5
-/+ (-1.14) Depth: 7/18 00:00:00 9kN
15.a3 Na6 16.Qf4 Kf8 17.Ne4 Bxe4 18.Bxe4 d5 19.cxd5 exd5
-/+ (-1.14) Depth: 8/18 00:00:00 12kN
15.a3
-/+ (-1.04 ++) Depth: 9/22 00:00:00 17kN
15.a3 Na6 16.Qf4 Ke7 17.Ne4 Bxe4 18.Bxe4 c6 19.Bg6 Qc7
-/+ (-0.98) Depth: 9/25 00:00:00 22kN
15.a3 Nc6
-/+ (-1.08 --) Depth: 10/29 00:00:00 78kN
15.a3
-/+ (-0.88 ++) Depth: 10/29 00:00:00 265kN
15.a3
=/+ (-0.67 ++) Depth: 10/29 00:00:00 290kN
15.a3 Nc6 16.Rg1 Qf8 17.Qf4 Ke7 18.d5 exd5 19.cxd5 Na5 20.b4 Kd8 21.bxa5 Bxd5 22.Kb2 bxa5
=/+ (-0.59) Depth: 10/29 00:00:00 348kN
15.a3 Nc6 16.Rg1 Qf8 17.Qf4 Ke7 18.d5 exd5 19.cxd5 Na5 20.b4 Kd8 21.bxa5 Bxd5 22.Kb2 bxa5
=/+ (-0.59) Depth: 11/29 00:00:00 399kN
15.a3
=/+ (-0.52 ++) Depth: 12/32 00:00:00 621kN
15.a3
=/+ (-0.36 ++) Depth: 12/32 00:00:00 748kN
15.a3
= (-0.01 ++) Depth: 12/33 00:00:00 1061kN
15.a3 Nc6 16.Rg1 Ne7 17.Bxf6 Bxf6 18.Qh5+ Kf8 19.Qh6+ Kf7 20.Qh5+ Kf8
= (0.00) Depth: 12/41 00:00:00 2096kN
15.a3 Nc6 16.Rg1 Ne7 17.Bxf6 Bxf6 18.Qh5+ Kf8 19.Qh6+ Kf7 20.Qh5+ Kf8
= (0.00) Depth: 13/41 00:00:00 2263kN
15.a3 Nc6 16.Rg1 Ne7 17.Bxf6 Bxf6 18.Qh5+ Kf8 19.Qh6+ Kf7 20.Qh5+ Kf8
= (0.00) Depth: 14/41 00:00:00 2969kN
15.a3
= (0.07 ++) Depth: 15/41 00:00:01 4355kN
15.a3
= (0.23 ++) Depth: 15/43 00:00:01 7399kN
15.a3 Nc6 16.Rg1 Ne7 17.Qg3 Nf5 18.Bxf5 exf5 19.Bh4 Rxh7 20.Qg6+ Kf8 21.Bxf6 Qxf6 22.Qxh7 Re8 23.Nc3 Qxd4 24.Qxf5+ Kg8 25.Rg4 Rf8 26.Rxd4 Rxf5 27.Rxd7 Bxc3 28.bxc3 Rxf2 29.Re7 Rxh2 30.Rxc7 Rh7 31.Rxh7 Kxh7
= (0.21) Depth: 15/45 00:00:01 8062kN
15.a3 Nc6
= (0.13 --) Depth: 16/46 00:00:01 8713kN
15.a3 Nc6 16.Rg1 Ne7 17.Qg3 Nf5 18.Bxf5 exf5 19.Bh4 Rxh7 20.Qg6+ Kf8 21.Bxf6 Qxf6 22.Qxh7 Re8 23.Nc3 Qxd4 24.Qxf5+ Ke7 25.h4 Kd8 26.Rg4 Qe5 27.Qg5+ Bf6 28.Qxe5 Bxe5 29.h5 Bxc3 30.bxc3 Re2 31.f3 Ke7 32.h6 Kf6 33.Ne4+ Bxe4 34.fxe4
= (0.16) Depth: 16/50 00:00:01 10253kN
15.a3
= (0.24 ++) Depth: 17/50 00:00:01 13001kN
15.a3
+/= (0.40 ++) Depth: 17/53 00:00:02 26374kN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh8 19.Ne4 Bxe4 20.Bxe4 c6 21.h4 Kg8 22.Bd3 Nh7 23.Qc7 Nxg5 24.hxg5 Qf7 25.Kb1 Rh3 26.g6 Qe7 27.Bc2 Rf8 28.Nf4
+/= (0.32) Depth: 17/65 00:00:05 97257kN
15.a3
+/= (0.40 ++) Depth: 18/65 00:00:06 104MN
15.a3
+/= (0.56 ++) Depth: 18/65 00:00:06 108MN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh8 19.Rg1 Qd6 20.Qe3 Rac8 21.Bf4 Qe7 22.Bg6+ Kg8 23.Kb1 Kf8 24.f3 c5 25.Bc2 Ne8 26.Be4 Bxe4+ 27.fxe4 cxd4 28.Nxd4 Bf6
+/= (0.42) Depth: 18/65 00:00:07 123MN
15.a3
+/= (0.50 ++) Depth: 19/65 00:00:08 143MN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh8 19.Rg1 Qd6 20.Qe3 Rac8 21.h4 b5 22.Bf4 Qe7 23.Qg3 Nh5 24.Bg6+ Kf8 25.Bxh5 Rxh5 26.Be5 Rxe5 27.dxe5 bxc4 28.Nf4 Qf7 29.Qg5 Ba6 30.Nh5 Bh8 31.Nf6 Ke7 32.Nde4 Bxf6 33.Nxf6
+/= (0.61) Depth: 19/65 00:00:09 163MN
15.a3 Na2+
+/= (0.53 --) Depth: 20/65 00:00:10 194MN
15.a3
+/= (0.70 ++) Depth: 20/65 00:00:15 296MN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh8 19.Rg1 Qd6 20.Qe3 Rac8 21.h4 c5 22.Bf4 Qf8 23.Qg3 Nh5 24.Bg6+ Kg8 25.Bxh5 Rxh5 26.Be5 Rh7 27.h5 d6 28.Bxd6 Qf7 29.Be5 Kf8 30.Nf4 Bh6 31.d5 Bxf4 32.Bxf4 exd5 33.h6 Qe6 34.Qd3 Qf7 35.Bd6+ Ke8 36.Re1+ Kd8 37.Re7
+/= (0.59) Depth: 20/65 00:00:16 302MN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh5 19.Rg1 Rxg5 20.Qxg5 Bh6 21.Qe5 d6 22.Qg3 Bxd2+ 23.Kxd2 Be4 24.Qe3 Bxb1 25.Rxb1 Re8 26.Rg1 e5 27.Qf3 Qh8 28.Rg2 Qh4 29.Kc3 Qe4 30.Qxe4 Nxe4+ 31.Kc2 exd4 32.Nxd4 Nc5 33.f3 Kf6 34.Nc6 Re3
+/= (0.61) Depth: 21/65 00:00:18 355MN
15.a3
+/= (0.70 ++) Depth: 22/65 00:00:25 491MN
15.a3
+/- (0.91 ++) Depth: 22/72 00:00:42 854MN
15.a3 Na2+ 16.Bxa2 Rxh7 17.Qf4 Qf8 18.Bb1 Rh5 19.h4 Qd6 20.Qe3 Rf8 21.Rg1 Kg8 22.Nf4 Nd5 23.Nxd5 exd5 24.Be7 Re8 25.Bxd6 Rxe3 26.fxe3 cxd6 27.cxd5 Bxd5 28.Rg5 Rxg5 29.hxg5 Kf7 30.Bd3 Be6 31.Kc2 d5 32.Kc3 Bg4 33.a4 Bd1 34.Bc2 Bg4
+/- (0.90) Depth: 22/72 00:00:43 880MN
15.a3 Na2+
+/- (0.79 --) Depth: 23/72 00:00:49 1000MN
15.Rg1
+/- (1.00 ++) Depth: 23/72 00:01:20 1734MN
15.Rg1
+/- (1.21 ++) Depth: 23/72 00:01:30 1955MN
15.Rg1
+- (1.72 ++) Depth: 23/72 00:01:36 2088MN
15.Rg1
+- (3.11 ++) Depth: 23/81 00:02:29 3301MN, tb=92
15.Rg1 c5 16.Bf4 Nxa2+ 17.Kd1 Rxh7 18.Bxh7 Qh8 19.Bg6+ Kg8 20.Qg5 Nb4 21.dxc5 Rf8 22.cxb6 axb6 23.Bd6 Nc6 24.Bxf8 Kxf8 25.Bb1 Ne7 26.Qf4 Bc6 27.Kc1 Bh6 28.Qb8+ Ne8 29.f4 Bg7 30.Qxb6 Qxh2 31.Qe3 Nd6 32.Nd4 Nef5
+- (3.15) Depth: 23/85 00:04:06 5580MN, tb=180
15.Rg1
+- (3.28 ++) Depth: 23/85 00:04:22 5934MN, tb=180
15.Rg1 c5 16.Bf4 Nxa2+ 17.Kd1 Rxh7 18.Bxh7 Qh8 19.Bg6+ Ke7 20.Qg3 Nb4 21.Bc7 Kf8 22.dxc5 Kg8 23.Bb1 Ne8 24.cxb6 axb6 25.Bxb6 Nc6 26.Qf4 Ne7 27.Bc5 Nf5 28.Bxf5 exf5 29.Qxf5 Bc6 30.Qf8+ Kh7 31.Qxh8+ Bxh8 32.Ba3 d5 33.c5 Bd7 34.Nf4
+- (3.05) Depth: 23/85 00:04:28 6057MN, tb=208
15.Rg1
+- (3.18 ++) Depth: 23/85 00:04:38 6288MN, tb=208
15.Rg1 c5 16.Bf4 Rxh7 17.Bxh7 Qh8 18.Bg6+ Ke7 19.Qg5 Rg8 20.dxc5 Bf8 21.Kb1 Kd8 22.Qe5 Na6 23.cxb6 axb6 24.h4 Kc8 25.h5 Bg7 26.Qg5 Nc5 27.f3 Bf8 28.Be3 Nh7 29.Qf4 Nf6 30.h6 e5 31.Qxe5 Bxh6 32.Bxc5 bxc5 33.Qxc5+ Bc6 34.Nb3 Bf8 35.Qe3 Qh2 36.Nbd4
+- (3.11) Depth: 23/85 00:04:50 6556MN, tb=208
15.Rg1
+- (3.25 ++) Depth: 23/85 00:05:23 7304MN, tb=215
15.Rg1
+- (3.51 ++) Depth: 23/85 00:06:10 8396MN, tb=215

(, 06.09.2014)