I beat Stockfish!

[zullil]

some rybka aquarium analysis --

[Event "Game in 3 minutes"]
[Site "?"]
[Date "2010.03.30"]
[Round "?"]
[White "Louis Zulli"]
[Black "Stockfish 1.6.3 64bit"]
[Result "1-0"]
[ECO "B23"]
[EventDate "2010.??.??"]
[PlyCount "47"]

{[%t bLon] Game analysis^13 ^10 Processor: Intel(R) Core(TM)2 Quad CPU Q9650
@ 3.00GHz^13 ^10 Engine: Rybka 3^13 ^10 Analysis time: 1:02:49} 1. e4 c5 2. Nc3
d6 3. g3 {=} 3... Nc6 4. Bg2 g6 5. Nge2 Bg7 6. O-O e6 7. d3 Nge7 8. f4 {[%t
Val] ,} 8... O-O 9. h3 Rb8 10. a4 a6 11. Kh2 {[%t Val] $}{-0.41 CAP} 11... Qb6
{N} (11... b5 12. axb5 axb5 13. Ng1 Nd4 (13... b4 14. Nce2 Bb7 15. c3 Ra8 16.
Bd2 Qb6 17. Qc2 Ba6 18. Nf3 Rfb8 19. Rab1 b3 20. Qd1 Bxd3 21. Rc1 Ra2 22. Ne1
Bxe2 23. Qxe2 Rxb2 24. Qe3 c4 25. Qe2 Ra8 26. Nf3 Raa2 27. Rfd1 d5 28. e5 Nf5
29. g4 Nfe7 30. Kg3 Bf8 31. h4 {...0-1, Mueller Johannes 1921 - Reichenbach
Werner 2335 , Hellersdorf 3/ 2/2007 Tournament})14. Nce2 Nxe2 15. Nxe2 e5 16.
fxe5 dxe5 17. Be3 Qd6 18. Qd2 Bd7 19. Bh6 Ra8 20. Bxg7 Kxg7 21. Qe3 Nc6 22.
Rxa8 Rxa8 23. Qf2 Nd8 24. Nc3 Bc6 25. Nd1 Ra2 26. Qd2 Bd7 27. c3 Nc6 28. Qf2 f6
29. h4 b4 30. Bh3 Bxh3 31. Kxh3 {...0-1, Kuznecov Victor - Tunik Gennady 2450 ,
Voronezh 1997 Memorial V.Zagorovsky (open)}) 12. Rb1 Bd7 13. Be3 Rfc8 {[%t Val]
(} 14. g4 {[%t Val] %} 14... Nd4 {[%t Val] )} 15. Qd2 Qb4 16. Ng3 Re8 17. f5
Be5 $2{[%t Val] N} (17... Nec6 $1 18. f6 Bh8 19. Nge2 Rec8 20. g5 Nxe2 21. Qxe2
Nd4 22. Qf2 Bxa4 23. Nxa4 {-0.18}) 18. f6 Nec6 $6{[%t Val] X} (18... Bxa4 $5
19. Nxa4 Qxd2 20. Bxd2 Nec6 21. Nb6 Nxc2 22. Nd7 Rbc8 23. Nxe5 dxe5 {+1.12})
19. Bxd4 cxd4 {[%t Val] \} 20. Qh6 Bxf6 21. Rxf6 Ne5 22. Nce2 Bxa4 23. Rbf1 d5
24. exd5 {[%t Val] _} 1-0

was stockfish using all 8 cores?? that would be incredibly impressive.

and congratulations! it is quite thrilling when chance hands you these lucky hands against the silicon monsters. i beat hiarcs 12 once in a fast TC game and still have found memories. i fear the next generation will not be so vulnerable to KS pawn marches.

Thanks. This game was played on my 2GHz Core 2 Duo MacBook. So just two threads. And I should add that when Stockfish (or the GUI) resigned I had about 45 seconds remaining, compared to about 90 seconds for the engine.

[Andre van Ark]

Diep seems to understand this position and strikes back with 16..f5!

2: Louis Zulli - Stockfish 1.6.3 64bit, 2010
1rr3k1/1p1bnpbp/p2pp1p1/2p5/Pq1nPPP1/2NPB1NP/1PPQ2BK/1R3R2 b - - 0 1

Analysis by Diep 2.32 12-11-2009:

16...Lxa4 17.Pxa4 Dxa4 18.e5 dxe5 19.b3
-/+ (-0.85) Diepte: 6 00:00:00 39KN
16...Lxa4 17.Pxa4 Dxa4 18.b3 Db5 19.e5 dxe5
-/+ (-1.00) Diepte: 7 00:00:00 125KN
16...Lxa4 17.Pxa4 Dxa4 18.c3 Pb3 19.De2 Td8 20.g5
-/+ (-0.78) Diepte: 8 00:00:00 172KN
16...Lxa4 17.Pxa4 Dxa4 18.c3 Pb3 19.Df2 c4 20.e5 cxd3 21.exd6
-/+ (-0.84) Diepte: 9 00:00:01 607KN
16...Lxa4 17.Pxa4 Dxa4 18.c3 Pb3 19.Df2 Db5 20.f5 exf5 21.gxf5 Dxd3 22.fxg6 fxg6
=/+ (-0.67) Diepte: 10 00:00:01 1120KN
16...Lxa4 17.Pxa4 Dxa4 18.c3 Pb3 19.Df2 Tf8 20.f5 exf5 21.Lf4 Le5 22.gxf5 Lxf4 23.Dxf4
=/+ (-0.54) Diepte: 11 00:00:03 2236KN
16...Lxa4 17.f5 Le5 18.Pxa4 Dxa4 19.c3 Lxg3+ 20.Kxg3 Pb3 21.Df2 exf5 22.Lh6 Kh8 23.gxf5 gxf5
= (-0.16) Diepte: 12 00:00:11 10415KN
16...Lxa4 17.f5 Le5 18.Pxa4 Dxa4 19.c3 Lxg3+ 20.Kxg3 Pb3 21.Df2 exf5 22.exf5 gxf5 23.Lh6
= (0.01) Diepte: 13 00:00:27 27113KN
16...f5 17.exf5 gxf5 18.Dd1 Lc6 19.Tg1 Kh8 20.gxf5 Pexf5 21.Pxf5 Pxf5 22.Lxc6 bxc6
=/+ (-0.38) Diepte: 13 00:01:03 63211KN
16...f5 17.exf5 gxf5 18.Dd1 Kh8 19.Ld2 Db6 20.Ph5 Tg8 21.Pxg7 Txg7 22.g5 Lc6 23.Tg1 Lxg2
=/+ (-0.39) Diepte: 14 00:01:16 79386KN
16...f5 17.exf5 gxf5 18.Dd1 Lc6 19.Lxc6 bxc6 20.Ph5 Lh8 21.Pg3 Te8 22.gxf5 Pdxf5 23.Dg4+ Pg6
=/+ (-0.33) Diepte: 15 00:01:50 117MN
16...f5 17.exf5 gxf5 18.Df2 Kh8 19.Ph5 Tg8 20.g5 Pg6 21.a5 Lc6 22.Pxg7 Txg7 23.Tg1
=/+ (-0.33) Diepte: 16 00:04:25 287MN
16...f5 17.exf5 gxf5 18.Df2 Kh8 19.Ph5 Tg8 20.g5 Pg6 21.a5 Pc6 22.Tg1 Tbf8 23.Pxg7
=/+ (-0.47) Diepte: 17 00:08:39 570MN
16...f5 17.exf5 gxf5 18.Df2 Kh8 19.Ph5 Tg8 20.Ld2 Db6 21.b4 Lc6 22.Pxg7 Txg7 23.bxc5
= (-0.15) Diepte: 18 00:13:33 896MN
16...f5 17.exf5 gxf5 18.Df2 Kh8 19.Ph5 Tg8 20.Ld2 Db6 21.b4 Lc6 22.Pxg7 Txg7 23.bxc5
= (-0.15) Diepte: 19 00:24:46 1661MN

Diep running on 8cores @ 2,5GHZ

Best wishes,

Andre

[michiguel]

Congrats Louis!

You found Stockfish's weak point and hit it with full strength

Stockfish has no understanding of pawn storms when both kings are castled on king side. Usually deep search rescues it from trouble, but not at this time. Problems were behind horizon.

This is not about pawn storms. This is about Bishop activity (Be3) and color square management. Generally, engines have problem with these positions, which require a delicate (long term) positional understanding.

Miguel

[Robert Flesher]

Very nice game! I enjoyed it, and I know how you feel. A win every once and a while sure feels good. Well done!