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Subject: Rybka 64 bit vs Zappa 64 bit - Rybka draws first blood ....Game 1 of 24

Author: Mike Byrne

Date: 18:06:22 12/18/05


Classical Chess - 40 moves / 2 hours

move of the game:

[d] 2r2r1k/1pqbbppp/p2p4/3Pp3/1QP5/1P2BP2/P3B1PP/2RR2K1 w - - 0 19;  bm c5!

nice pawn push here ....

 Engine                 Score
1: Rybka v1.0 Preview.x64 1.0/1
2: Zappa                  0.0/1

1 of 24 games played
Name of the tournament: Arena tournament
Site/ Country: WIN-64-MB, United States
Level: Tournament 40/120
Hardware: Dual AMD Opteron(tm) Processor 244 1804 MHz with 2,046 MB Memory
Operating system: Microsoft Windows Server 2003 Professional Service Pack 1
(Build 3790)
Ponder on
Common book


[Event "Arena tournament"]
[Site "WIN-64-MB"]
[Date "2005.12.18"]
[Round "1"]
[White "Rybka v1.0 Preview.x64"]
[Black "Zappa"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "106"]
[EventDate "2005.12.18"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nc6 6. Nc3 Nf6 7. Be3 Be7 8. Be2
O-O 9. O-O Nxd4 10. Qxd4 e5 11. Qd2 a6 12. f3 Bd7 13. b3 Rc8 14. Rac1 Kh8 15.
Rfd1 Rc6 16. Nd5 Nxd5 17. exd5 Rc8 18. Qb4 Qc7 19. c5 dxc5 20. d6 cxb4 21. Rxc7
Rxc7 22. dxc7 Bc8 23. Bb6 g6 24. Rd5 Kg7 25. Bc4 f6 26. Rd8 e4 27. fxe4 f5 28.
exf5 Bxf5 29. Bd5 Bc8 30. Bf3 Kf7 31. Kf1 Bxd8 32. cxd8=Q Rxd8 33. Bxd8 Ke8 34.
Ba5 Ke7 35. Kf2 Kd6 36. Bxb4+ Kc7 37. Ke3 b6 38. Bc3 Kd6 39. Kd4 a5 40. Bd2 Ba6
41. Bf4+ Kd7 42. Bg4+ Kc6 43. h4 Bf1 44. Bf3+ Kd7 45. g3 Bh3 46. g4 Bf1 47. h5
Bb5 48. Bd5 a4 49. Bg8 axb3 50. axb3 Be2 51. Bxh7 gxh5 52. g5 Bd1 53. Ke5 Ke7
1-0


with engine output:

[Event "Arena tournament"]
[Site "WIN-64-MB"]
[Date "2005.12.18"]
[Round "1"]
[White "Rybka v1.0 Preview.x64"]
[Black "Zappa"]
[Result "1-0"]
[ECO "B40"]
[Opening "Sicilian"]
[Variation "Open, 2...e6, 4.Nxd4 d6"]
[TimeControl "40/7200:40/7200:40/7200"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 d6 5.c4 Nc6 6.Nc3 Nf6 7.Be3 Be7 8.Be2 O-O
9.O-O Nxd4 10.Qxd4 e5 11.Qd2 a6 12.f3 Bd7 13.b3 Rc8 {(13. ... Rc8 14.f4 Kh8
15.fxe5
dxe5 16.Rad1 Bb4 17.Qc2 a5 18.Nd5 Nxd5 19.exd5 Qh4) -0.63/14 400} 14.Rac1
{(14.Rac1
h6 15.Rc2 Rc6 16.Bd3 Qb8 17.Rfc1 Rcc8 18.Qf2 Rfe8 19.a4 Rf8 20.h3 Rc7) +0.53/17
230} Kh8 {(14. ... Kh8 15.Rfd1 Qc7 16.Kh1 Rfd8 17.Na4 Bxa4 18.bxa4 Nd7 19.Qd5
Kg8
20.Rb1 Nc5 21.Bxc5 dxc5) -0.58/15 388} 15.Rfd1 {(15.Rfd1 Qc7 16.Na4 Bxa4 17.bxa4
b6
18.Rb1 Rb8 19.c5 dxc5 20.Bxa6 h6 21.Qc3 Bd6) +0.71/16 153} Rc6 {(15. ... Rc6
16.a3 Re8
17.Kh1 Qb8 18.Na4 Qc7 19.Qb2 Qa5 20.Kg1 Rd8 21.c5 Be6 22.Kh1) -0.64/14 234}
16.Nd5
{(16.Nd5 Nxd5 17.exd5 Rc8 18.Qb4 f5 19.Qxb7 Rb8 20.Qa7 Ra8 21.Qb6 Bg5 22.Rc2
Rb8)
+0.76/17 138} Nxd5 {(16. ... Nxd5 17.exd5 Rc8 18.Qb4 Qc7 19.c5 dxc5 20.d6 cxb4
21.dxc7
Be6 22.Bd3 f5 23.Bc4 Bxc4 24.Rxc4 e4 25.Kf2) -0.58/18 386} 17.exd5 {(17.exd5 Rc8
18.Qb4 Qc7 19.c5 a5 20.cxd6 Qxc1 21.Bxc1 axb4 22.dxe7 Rfe8 23.d6 Rc2) +0.76/17}
Rc8
{(17. ... Rc8 18.Qb4 Qc7 19.c5 dxc5 20.f4) -0.52/17 372} 18.Qb4 {(18.Qb4 Qc7
19.c5 a5
20.cxd6 Qxc1 21.Bxc1 axb4 22.dxe7 Rfe8 23.d6 Rc2 24.Bd2 Rxa2) +0.76/17} Qc7
{(18. ...
Qc7 19.Bd3 f5) -0.69/16 279} 19.c5 {(19.c5 a5 20.cxd6 Qxc1 21.Bxc1 axb4 22.dxe7
Rfe8 23.d6 Rc2 24.Bd2 g6 25.Kf2 Kg7) +0.76/17} dxc5 {(19. ... dxc5 20.d6 cxb4
21.dxc7 Be6 22.Bd3 f5 23.Bc4 Bxc4 24.Rxc4 b5 25.Rc6 Rf6 26.Rxf6 Bxf6 27.Rd7)
-0.64/16
275} 20.d6 {(20.d6 cxb4 21.Rxc7 Rxc7 22.dxc7 Bc8 23.Bb6 g6 24.Rd5 f6 25.Kf2 Kg7
26.Bc4 h5) +1.70/19 167} cxb4 {(20. ... cxb4 21.dxc7 Be6 22.Bb6 Kg8 23.Bc4 Bxc4
24.Rxc4 f6 25.Rd7 Rfe8 26.Kf2 Kf7 27.Ke2) -0.57/16 102} 21.Rxc7 {(21.Rxc7 Rxc7
22.dxc7
Bc8 23.Bb6 g6 24.Rd5 Be6 25.Rd8 Kg7 26.Kf2 h5 27.Ke3 Bg5+) +1.72/20 87} Rxc7
{(21.
... Rxc7 22.dxc7 Bc8 23.Bb6 g6 24.Rd5 f6 25.Bc4 Kg7 26.Rd8 f5 27.Bd5 Kf6 28.Rxc8
Rxc8 29.Bxb7 Bc5+ 30.Bxc5) -0.74/18 274} 22.dxc7 {(22.dxc7 Bc8 23.Bb6 g6 24.Rd5
Be6
25.Rd8 Kg7 26.Kf2 f5 27.Bc4 Bc8 28.g3 Kf6) +1.72/20} Bc8 {(22. ... Bc8 23.Bb6 g6
24.Rd5 f6 25.Bc4 Kg7 26.Kf2 Re8 27.Rd8 Rf8 28.Ke3 Bf5 29.f4 Bc8 30.Ke4 exf4)
-0.64/18
279} 23.Bb6 {(23.Bb6 g6 24.Rd5 Be6 25.Rd8 Kg7 26.Kf2 f5 27.Bc4 Bc8 28.Bd5 Kf6
29.Ke3
g5) +1.72/20} g6 {(23. ... g6 24.Bc4 Kg7 25.Rd5 f6 26.Kf2 h5 27.Ke3 h4 28.Rd8 h3
29.g3 Bf5 30.g4 Bc8 31.Bf1 f5 32.Bxh3) -0.85/18 273} 24.Rd5 {(24.Rd5 f6 25.Kf2
Kg7
26.Bc4 h6 27.Ke3 h5 28.Rd8 h4 29.g3 h3 30.Ke4 Bf5+) +1.72/20} Kg7 {(24. ... Kg7
25.Rxe5 Re8 26.Bc4 Kf8 27.Rd5 Bf6 28.Kf2 Be6 29.Rd8 Bf5 30.Bc5+ Be7 31.Rxe8+
Kxe8
32.Bd4) -1.22/16 235} 25.Bc4 {(25.Bc4 Be6 26.Rd8 Bxd8 27.cxd8Q Rxd8 28.Bxd8 Bxc4
29.bxc4 f6 30.Kf2 Kf7 31.Ke3 f5) +2.45/19 380} f6 {(25. ... f6 26.Rd8 g5 27.Kf1
g4
28.fxg4 Bxg4 29.Bd5 Bc8 30.Rxc8 Rxc8 31.Bxb7 Bc5 32.Bxc5 Rxc7) -1.14/14 185}
26.Rd8
{(26.Rd8 Bxd8 27.cxd8Q Rxd8 28.Bxd8 Bd7 29.Kf2 Bc6 30.Ba5 Bb5 31.Bd5 Bc6 32.Be6
f5)
+3.66/20 431} e4 {(26. ... e4 27.fxe4 f5 28.exf5 Bxf5 29.Bd5 Bc8 30.g3 h5 31.Kg2
h4
32.Rxc8 Rxc8 33.Bxb7 Bc5) -3.30/18 325} 27.fxe4 {(27.fxe4 f5 28.exf5 Bxf5 29.Bd5
Bc8
30.g3 Kf6 31.Kg2 Bxd8 32.cxd8Q+ Rxd8 33.Bxd8+ Ke5) +4.22/20 308} f5 {(27. ... f5
28.exf5 Bxf5 29.Bd5 Bc8 30.g3 Kf6 31.Kg2 Bxd8 32.cxd8Q+ Rxd8 33.Bxd8+ Ke5 34.Bg8
h6
35.Ba5) -4.01/18 241} 28.exf5 {(28.exf5 Bxf5 29.Bd5 Bc8 30.g3 Kf6 31.Kg2 Bxd8
32.cxd8Q+
Rxd8 33.Bxd8+ Ke5 34.Bg8 h5) +4.22/20 71} Bxf5 {(28. ... Bxf5 29.Bd5 Bc8 30.g3
Kf6
31.Kg2 Bxd8 32.cxd8Q+ Rxd8 33.Bxd8+ Ke5 34.Bg8) -4.09/17 111} 29.Bd5 {(29.Bd5
Bc8
30.Bf3 a5 31.Kf1 Kh8 32.Bxa5 b6 33.Bxb6 Kg7 34.Kf2 Be6 35.Rxf8 Kxf8) +4.51/20
122} Bc8
{(28. ... Bc8 29.g4 Kf6 30.Kg2 Bxd8 31.cxd8Q+ Rxd8 32.Bxd8+ Ke5 33.Bf3 Kd6
34.Bf6 b6
35.Kg3 Be6 36.Kf4 h6) -4.09/17 65} 30.Bf3 {(30.Bf3 a5 31.Kf1 h5 32.Rxc8 Rxc8
33.Bxb7
Bc5 34.Bxa5 Rxc7 35.Bxc7 Kf6 36.Bd5 Kg7) +4.57/21 442} Kf7 {(30. ... Kf7 31.Kf1
Kg7
32.Rxc8 Rxc8 33.Bxb7 Bc5 34.Ba5 Rf8+ 35.Ke2 Re8+ 36.Kd1 Bd6 37.c8Q Rxc8 38.Bxc8
Bxh2)
-4.52/15 218} 31.Kf1 {(31.Kf1 Bxd8 32.cxd8Q Rxd8 33.Bxd8 Bd7 34.Ba5 Bc6 35.Bd1
Ke6
36.Kf2 Ke5 37.Bxb4 Kd4) +4.75/20 259} Bxd8 {(30. ... Bxd8 31.cxd8Q Rxd8 32.Bxd8
b5
33.Ke2 Bf5 34.Ba5 Ke6 35.Bxb4 Kd7 36.Ke3 Bb1 37.Be4 Bxa2 38.Bc2 Ke6 39.Bc3 Kd5)
-4.52/15} 32.cxd8=Q {(32.cxd8Q Rxd8 33.Bxd8 Bd7 34.Ba5 Bc6 35.Bd1 Ke6 36.Kf2 Ke5
37.Bxb4
Kd4 38.Be7 Ke5) +4.76/21 132} Rxd8 {(32. ... Rxd8 33.Bxd8 Ke8 34.Ba5 Ke7
35.Bxb4+
Kf6 36.Bc3+ Ke7 37.Ke2 b6 38.Ke3 Bf5 39.Bd4 b5 40.Bc5+ Kd7 41.Bb4 Bb1 42.Be4
Bxa2
43.Bc2 Ke6 44.Kd4 h6) -5.18/19 79} 33.Bxd8 {(33.Bxd8 Bf5 34.Bxb7 Ke6 35.Ke2 Bb1
36.Bxa6 Kd7 37.Bg5 Ke6 38.Bd3 Bxd3+ 39.Kxd3 Kd5) +4.99/21 877} Ke8 {(32. ... Ke8
33.Ba5
Ke7 34.Bxb4+ Kf6 35.Ke2 b6 36.Ke3 Bf5 37.Be2 Bb1 38.Bc3+ Ke7 39.a3 Bc2 40.Bxa6
Bxb3
41.Bd4 Bd5 42.g3) -5.18/19} 34.Ba5 {(34.Ba5 Ke7 35.Kf2 Kd6 36.Bxb4+ Ke5 37.Ke3
a5
38.Bc3+ Kd6 39.Kd4 Bd7 40.Bd2 Bc6) +5.03/20 475} Ke7 {(33. ... Ke7 34.Bxb4+ Kf6
35.Ke2
Ke5 36.Ke3 b6 37.Be7 Kf5 38.Bd8 b5 39.Be7 a5 40.Bc6 b4 41.Bd8) -5.18/19} 35.Kf2
{(35.Kf2 Kd6 36.Bxb4+ Ke5 37.Ke3 a5 38.Bc3+ Kd6 39.Kd4 Bd7 40.Bd2 Bc6 41.Bd1 g5)
+5.08/20 278} Kd6 {(35. ... Kd6 36.Bxb4+ Kc7 37.Ke3 b6 38.Kf4 a5 39.Bc3 Kd6
40.Bd4 b5
41.Kg5 Be6 42.Kh6 a4 43.Kxh7 Kc7) -5.60/18 406} 36.Bxb4+ {(36.Bxb4+ Ke5 37.Ke3
a5
38.Bc3+ Kd6 39.Kd4 Bd7 40.g4 Bc6 41.Bd1 g5 42.Bc2 b6) +5.08/20} Kc7 {(36. ...
Kc7
37.Ke3 b6 38.Kf4 a5 39.Bc3 Kd6 40.Be4 Be6 41.Be5+ Kd7 42.Kg5 a4 43.bxa4 h5)
-5.72/18
256} 37.Ke3 {(37.Ke3 Bd7 38.g4 Bc6 39.Bd1 a5 40.Bd2 Kd6 41.Kd4 Bd5 42.Bf4+ Kc6
43.Bc2 b5) +5.16/20 572} b6 {(36. ... b6 37.Kf4 a5 38.Bc3 Kd6 39.Be4 Be6 40.Kg5
a4
41.bxa4 Bxa2 42.Kh6 Bg8 43.Kg7 Bc4 44.Kxh7 g5 45.Kg6) -5.72/18} 38.Bc3 {(38.Bc3
Bb7
39.Be5+ Kc8 40.Be2 Kd7 41.g4 Ke6 42.Kd4 b5 43.h4 Bc6 44.h5 a5) +5.22/19 426} Kd6
{(38.
... Kd6 39.Kf4 Be6 40.Bd4 b5 41.Bc3 Kc5 42.Ke5 Bf5 43.a3 Kb6 44.Kd6 Bc2 45.b4
Ka7
46.Bd4+ Kb8) -5.87/17 301} 39.Kd4 {(39.Kd4 Be6 40.Bd2 Bg8 41.g4 a5 42.b4 g5
43.bxa5
bxa5 44.Be4 h6 45.a3 Bf7) +5.31/20 521} a5 {(39. ... a5 40.Bd2 Ba6 41.Bf4+ Kd7
42.Bg4+ Kd8 43.Ke5 Bf1 44.Kd6 Ke8 45.g3 b5 46.Bd7+ Kf7 47.a3 Bd3 48.Bd2 a4
49.bxa4)
-5.96/18 301} 40.Bd2 {(40.Bd2 Be6 41.b4 axb4 42.Bxb4+ Kc7 43.a3 Bd7 44.g3 Bc6
45.Be2 b5
46.h4 Kb6) +5.43/21 724} Ba6 {(39. ... Ba6 40.Bf4+ Kd7 41.Bg4+ Kd8 42.Ke5 Bf1
43.Kd6
Ke8 44.Bf3 b5 45.a4 Kf7 46.Bd2 b4 47.Be3 Bd3) -5.96/18} 41.Bf4+ {(41.Bf4+ Kd7
42.Bg4+ Kc6 43.g3 Bf1 44.Bf3+ Kd7 45.Ke5 g5 46.Be3 Bb5 47.Be4 h5) +5.45/16 65}
Kd7
{(40. ... Kd7 41.Bg4+ Kc6 42.Be6 Bf1 43.Bg8 h5 44.g3 Be2 45.Bf7 g5 46.Bxg5 Kd7
47.Bg6
Bg4 48.Ke5 Be2 49.a4) -5.96/18 95} 42.Bg4+ {(42.Bg4+ Kc6 43.g3 Bf1 44.Bf3+ Kd7
45.Ke5 g5 46.Be3 Bb5 47.Be4 h5 48.Bc2 Kc7) +5.43/18 520} Kc6 {(42. ... Kc6
43.Be6 Bf1
44.g3 Be2 45.Bg8 h5 46.Bh7 b5 47.Bxg6 Kb6 48.Bg5 a4 49.Bd8+ Kb7 50.Bd3 Bd1
51.bxa4
bxa4) -6.73/18 270} 43.h4 {(43.h4 b5 44.g3 Bb7 45.a3 Kb6 46.Ke5 h5 47.Be2 Kc6
48.Be3
Kd7 49.Bxb5+ Bc6) +5.43/18} Bf1 {(43. ... Bf1 44.g3 Bb5 45.Be6 Be2 46.Bg8 h5
47.Bf7
b5 48.Bxg6 Bg4 49.Be4+ Kb6 50.Kd5 a4 51.Kd6 axb3 52.axb3 b4) -6.45/19 208}
44.Bf3+
{(44.Bf3+ Kd7 45.g3 Bb5 46.Bg4+ Kc6 47.a4 Bf1 48.Bf3+ Kd7 49.Be3 Bh3 50.g4 Ke6)
+5.44/19
234} Kd7 {(44. ... Kd7 45.Bd5 Kd8 46.Bg8 Ke7 47.g4 h5 48.gxh5 gxh5 49.Bc4 Bh3
50.Bc7
a4 51.bxa4 Bd7 52.Bb3 b5 53.a5) -6.34/17 163} 45.g3 {(45.g3 Bb5 46.Bg4+ Kc6
47.a4
Bf1 48.Bf3+ Kd7 49.Be3 Bh3 50.g4 Ke6 51.Bg5 Kd7) +5.44/19 141} Bh3 {(45. ... Bh3
46.Bd5 Bg4 47.Bg8 h5 48.Bd5 Bd1 49.Be4 a4 50.bxa4 Bxa4 51.Bxg6 Bd1 52.Bf5+ Ke7
53.Be5
Bf3 54.Be4 Kf7) -6.14/18 166} 46.g4 {(46.g4 Bf1 47.h5 Bb5 48.Be4 Ke6 49.h6 Be8
50.a3 Bf7 51.b4 b5 52.g5 Ke7) +5.48/19 458} Bf1 {(46. ... Bf1 47.h5 Bb5 48.Be4
Ke7
49.hxg6 hxg6 50.Bxg6 a4 51.bxa4 Bxa4 52.Bc7 b5 53.g5 Bd1 54.Bd3 Kd7) -6.58/18
166}
47.h5 {(47.h5 Bb5 48.Be4 Ke6 49.h6 Be8 50.a3 Bf7 51.b4 axb4 52.axb4 Be8 53.Be5
Bb5)
+5.48/19} Bb5 {(47. ... Bb5 48.Be4 Ke7 49.hxg6 hxg6 50.Bxg6 a4 51.bxa4 Bxa4
52.g5 Bd7
53.Ke5 b5 54.Be3 Bc6) -6.65/17 165} 48.Bd5 {(48.Bd5 Be2 49.h6 Ke7 50.Bg5+ Ke8
51.Ke5
Ba6 52.Bc6+ Kf7 53.Be3 Ke7 54.Bc1 Kd8) +5.59/20 324} a4 {(48. ... a4 49.bxa4
Bxa4
50.Be4 Ke7 51.hxg6 hxg6 52.Bxg6 Bd7 53.Bf5 Be8 54.Ke5 Bc6 55.g5 Kf7 56.Be4 Bb5)
-6.50/17 180} 49.Bg8 {(49.Bg8 axb3 50.axb3 gxh5 51.g5 Be2 52.Bxh7 Bd1 53.Ke5
Bxb3 54.Bg6
b5 55.Bxh5 Bc2) +5.80/19 149} axb3 {(49. ... axb3 50.axb3 Be2 51.h6 Ke7 52.g5
Bd1
53.Bd6+ Kxd6 54.Bxh7 Ke7 55.Bxg6 Kf8 56.b4 Bg4 57.Be4 Kf7) -6.12/18 170} 50.axb3
{(50.axb3 gxh5 51.g5 Ke7 52.Bxh7 Bd7 53.Ke5 Kf7 54.Kd6 Kg7 55.Bd3 Be8 56.Be5+
Kg8)
+5.80/19} Be2 {(50. ... Be2 51.h6 Ke7 52.g5 Bh5 53.Ke5 Kf8 54.Be6 Ke7 55.Be3 Bf3
56.Bxb6
Ke8 57.b4 Kf8 58.Bc5+ Ke8 59.Bg8 Kd7 60.Bxh7 Kd8) -6.84/19 169} 51.Bxh7
{(51.Bxh7
gxh5 52.g5 Bd1 53.g6 Bc2 54.Ke5 h4 55.Kf6 h3 56.Bg8 h2 57.Be6+ Kc6) +6.75/23
136}
gxh5 {(51. ... gxh5 52.g5 Bd1 53.Bf5+ Ke7 54.b4 h4 55.g6 Kf6 56.Bd3 Bb3 57.Be5+
Ke7
58.Bc4 Bxc4 59.Kxc4 Ke6 60.b5 h3 61.Bc7 h2) -7.17/19 170} 52.g5 {(52.g5 Bd1
53.g6 Bc2
54.Ke5 h4 55.Kf6 h3 56.Bg8 h2 57.Be6+ Kc6 58.Bxh2 Bxg6) +6.75/23} Bd1 {(52. ...
Bd1
53.g6 Bc2 54.Ke5 Ke7 55.Bg5+ Kd7 56.Kf6 Bxb3 57.g7 Kd6 58.Bg6 Bg8 59.Bxh5 b5
60.Bf7
Bh7 61.g8Q Bxg8 62.Bxg8) -8.55/19 191} 53.Ke5 {(53.Ke5 Ke7 54.Bd3 Bxb3 55.g6 Kd7
56.Bb5+ Kc8 57.g7 Bg8) +8.57/23 257} Ke7 {(53. ... Ke7 54.g6 Bc2 55.Bg5+ Kd7
56.Kf6 Kc6
57.Bg8 Bxg6 58.Kxg6 Kc7 59.Kxh5 Kd6 60.Kg6 b5 61.Kf5 Kc5 62.Be7+ Kd4 63.Bf6+ Kc5
64.Kg6 Kd6) -10.29/19 324}  1-0




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