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Subject: Re: Engines maybe not DAMNED STRONG always, but sometimes in the opening

Author: Mike S.

Date: 05:43:08 01/30/04

Go up one level in this thread


On January 30, 2004 at 02:47:58, Drexel,Michael wrote:

>(...)

>16 games does not mean anything. Especially in FRC (or even Shuffle chess).

So how many games do we need bevore we are allowed to draw conclusions?
(Probably we'll never get so many games; 16 are many for a Man vs. Machine
match...)

>Some start positions might favour the humans, some might favour the machines.

I don't think so. Actually I believe, ALL FRC positions favour the machines when
the human - as it's normally the case in FRC AFAIK - doesn't know which position
will be played, some time before the game and cannot prepare for it.

>(...)

>No, top engines are _in general_ relatively weak in the opening phase in
>classical chess, especially if they evaluate their position slightly worse.

Take a look at the following game's openings, which were played starting with 3
bookmoves only:

[Event "1/03-57 Novemberturnier 60'/40"]
[Site "Wien"]
[Date "2002.11.15"]
[Round "2.2"]
[White "Junior 5"]
[Black "Shredder 5.32"]
[Result "0-1"]
[ECO "E50"]
[Annotator "Scheidl,M"]
[PlyCount "96"]
[EventDate "2002.??.??"]
[Source "Scheidl,M"]
[TimeControl "40/3600:20/1800:1200"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {
[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 4. Nc3 {
[%eval 24,16] [%emt 0:01:19]} Bb4 {(Lb7) [%eval 34,13] [%emt 0:02:05]} 5. e3 {
[%eval 21,16] [%emt 0:02:35]} O-O {[%eval 28,12] [%emt 0:01:38]} 6. Bd3 {
(Le2) [%eval 16,17] [%emt 0:01:18]} c5 {(La6) [%eval 21,12] [%emt 0:02:11]} 7.
O-O {[%eval 16,17] [%emt 0:02:50]} d5 {[%eval 16,11] [%emt 0:01:18]} 8. cxd5 {
(Ld2) [%eval 13,15] [%emt 0:01:35]} exd5 {[%eval 17,12] [%emt 0:01:23]} 9. Ne5
{(a3) [%eval 11,16] [%emt 0:01:32]} Bb7 {(La6) [%eval 17,11] [%emt 0:01:47]}
10. Bd2 {[%eval 17,16] [%emt 0:02:27]} Nc6 {[%eval 17,11] [%emt 0:02:25]} 11.
a3 {(Sxc6) [%eval 24,15] [%emt 0:02:00]} Nxe5 {
(La5) [%eval -17,11] [%emt 0:00:26]} 12. dxe5 {[%eval 16,15] [%emt 0:00:32]}
Bxc3 {[%eval -32,12] [%emt 0:00:36]} 13. Bxc3 {[%eval 21,15] [%emt 0:00:41]}
Ne4 {[%eval -14,13] [%emt 0:02:08]} 14. Bxe4 {[%eval 8,17] [%emt 0:01:49]} dxe4
{[%eval -18,15] [%emt 0:02:02]} 15. Qg4 {[%eval 17,18] [%emt 0:03:03]} Qe7 {
(La6) [%eval 7,13] [%emt 0:01:13]} 16. Rfd1 {Junior 5 hat hier 13 Züge lang
selbständig genau dieselben Züge wie Robert Byrne gespielt (gegen Wexler,
Buenos Aires 1964). [%eval 19,17] [%emt 0:00:56]} Qe6 {
(Tad8) [%eval 0,13] [%emt 0:01:22]} 17. Qxe6 $146 {[%eval 35,18] [%emt 0:02:40]
} fxe6 {[%eval 21,12] [%emt 0:00:09]} 18. Rd6 {[%eval 32,20] [%emt 0:01:27]}
Bd5 {[%eval 13,14] [%emt 0:01:07]} 19. Rd1 {[%eval 28,19] [%emt 0:01:35]} Kf7 {
(g5) [%eval 4,14] [%emt 0:03:12]} 20. Rd7+ {[%eval 35,17] [%emt 0:00:58]} Kg6 {
[%eval 9,15] [%emt 0:01:33]} 21. h3 {[%eval 28,18] [%emt 0:02:17]} Rf7 {
[%eval -6,15] [%emt 0:01:22]} 22. Rxf7 {[%eval 17,19] [%emt 0:01:28]} Kxf7 {
[%eval -2,13] [%emt 0:00:06]} 23. Kh2 {(Kf1) [%eval 16,20] [%emt 0:00:55]} g5 {
(Kg6) [%eval -12,16] [%emt 0:02:59]} 24. Kg3 {[%eval 17,19] [%emt 0:02:23]} h6
{(Tf8) [%eval -18,15] [%emt 0:04:17]} 25. Rd2 {
(h4) [%eval 16,19] [%emt 0:00:56]} Rf8 {(h5) [%eval -22,15] [%emt 0:03:06]} 26.
Kg4 {(h4) [%eval 9,20] [%emt 0:00:55]} Kg6 {[%eval -37,17] [%emt 0:01:29]} 27.
h4 {(Kg3) [%eval -1,20] [%emt 0:01:14]} h5+ {[%eval -48,17] [%emt 0:00:57]} 28.
Kh3 {(Kg3) [%eval -11,20] [%emt 0:00:59]} g4+ {
(a5) [%eval -54,17] [%emt 0:00:42]} 29. Kg3 {[%eval -7,22] [%emt 0:01:18]} a5 {
[%eval -58,19] [%emt 0:01:24]} 30. a4 {(Kh2) [%eval -9,21] [%emt 0:01:01]} Kf5
{(Tb8) [%eval -44,21] [%emt 0:01:40]} 31. Rd1 {[%eval -13,22] [%emt 0:01:58]}
Rb8 {(Kg6) [%eval -69,20] [%emt 0:02:00]} 32. Kh2 {
[%eval -13,20] [%emt 0:00:56]} Bc6 {(Td8) [%eval -62,20] [%emt 0:01:16]} 33.
Ra1 {[%eval -13,20] [%emt 0:01:26]} Rd8 {(Tg8) [%eval -61,20] [%emt 0:01:50]}
34. Ra3 {(Kg3) [%eval 0,21] [%emt 0:01:40]} Bd5 {[%eval -61,20] [%emt 0:01:11]}
35. Kg1 {(Kg3) [%eval 0,22] [%emt 0:01:02]} Bc4 {
(Tg8) [%eval -120,19] [%emt 0:00:58]} 36. Ra1 {[%eval -69,23] [%emt 0:02:53]}
Be2 {(Lb3) [%eval -144,19] [%emt 0:01:17]} 37. Kh2 {
(Te1) [%eval -80,21] [%emt 0:01:18]} Rd1 {[%eval -169,21] [%emt 0:01:11]} 38.
Rxd1 {[%eval -111,21] [%emt 0:01:29]} Bxd1 {[%eval -166,17] [%emt 0:00:04]} 39.
Kg1 {[%eval -140,26] [%emt 0:01:15]} Bxa4 {[%eval -188,17] [%emt 0:00:09]} 40.
Kh2 {(Kf1) [%eval -134,26] [%emt 0:02:11]} Bb3 {
(Le8) [%eval -230,21] [%emt 0:02:52]} 41. Be1 {
(Kg1) [%eval -175,28] [%emt 0:01:53]} a4 {[%eval -247,20] [%emt 0:00:50]} 42.
Kg3 {(Ld2) [%eval -188,26] [%emt 0:01:48]} Bd1 {[%eval -260,18] [%emt 0:01:06]}
43. Bc3 {(Kh2) [%eval -204,25] [%emt 0:01:30]} b5 {
[%eval -288,21] [%emt 0:01:36]} 44. Bd2 {(La5) [%eval -217,26] [%emt 0:01:59]}
b4 {[%eval -649,19] [%emt 0:02:05]} 45. Kh2 {[%eval -257,25] [%emt 0:01:53]}
Kxe5 {[%eval -621,18] [%emt 0:02:05]} 46. Bc1 {
(Le1) [%eval -235,23] [%emt 0:01:15]} Kd5 {(c4) [%eval -1298,18] [%emt 0:01:50]
} 47. Kg3 {[%eval -585,23] [%emt 0:01:18]} Kc4 {[%eval -1365,18] [%emt 0:01:46]
} 48. Kh2 {(Kf4) [%eval -1233,24] [%emt 0:01:09]} (48. Kf4 Kb3 49. Kg5 $2 {
Der Bauer h5 ist unangreifbar:} Kc2 50. Kxh5 $4 g3+) 48... Kd3 {
(Kb3) [%eval -2200,19] [%emt 0:02:06]} 0-1

[Event "1/03-57 Vierkampf (Kurzbuch)"]
[Site "P3/700 240'/60+60'/15+60'"]
[Date "2002.12.20"]
[Round "2.1"]
[White "List 5.04"]
[Black "Fritz 7"]
[Result "0-1"]
[ECO "B17"]
[Annotator "Scheidl,M"]
[PlyCount "134"]
[EventDate "2002.??.??"]
[TimeControl "60/14400:15/3600:3600"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {
[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:00]} dxe4 {[%emt 0:00:00]} 4. Nxe4 {
[%eval 8,12] [%emt 0:02:24]} Nd7 {(Sf6) [%eval 25,14] [%emt 0:06:27]} 5. c3 {
(Sf3) [%eval 34,12] [%emt 0:02:42]} Ngf6 {(Sdf6) [%eval 25,15] [%emt 0:03:39]}
6. Nxf6+ {[%eval 34,13] [%emt 0:04:41]} Nxf6 {[%eval 19,15] [%emt 0:03:11]} 7.
Nf3 {(Lc4) [%eval 33,14] [%emt 0:05:30]} Bg4 {[%eval 19,15] [%emt 0:06:28]} 8.
h3 {(Le2) [%eval 33,15] [%emt 0:04:16]} Bh5 {(Lf5) [%eval 12,14] [%emt 0:03:10]
} (8... Bxf3 9. Qxf3 {Kasparov - Karpov, Sevilla 1987 1/2-1/2 (zweimal)}) 9. g4
{(Le2) [%eval 40,15] [%emt 0:04:21]} (9. Be2 e6 {Anand - Genius Pentium,
London 1994 (41) 1-0 und Anand - Karpov, Frankfurt 1997 (81) 1/2-1/2}) 9... Bg6
{[%eval 22,15] [%emt 0:04:39]} 10. Ne5 {[%eval 48,14] [%emt 0:04:16]} Nd7 {
(Le4) [%eval 19,14] [%emt 0:14:50]} 11. Nxg6 {[%eval 55,14] [%emt 0:07:35]}
hxg6 {Mokry - Vyzmanavin, Tilburg 1994 (51) 0-1 [%eval 22,14] [%emt 0:01:46]}
12. Qb3 {[%eval 48,14] [%emt 0:07:29]} Qc7 {[%eval 3,15] [%emt 0:04:58]} 13.
Bg5 {(Lg2) [%eval 40,14] [%emt 0:05:12]} e6 {[%eval 0,15] [%emt 0:05:20]} 14.
O-O-O {[%eval 38,13] [%emt 0:02:51]} Nb6 {(Sf6) [%eval 6,14] [%emt 0:03:00]}
15. Kb1 {(Lg2) [%eval 36,14] [%emt 0:02:59]} Be7 {[%eval 9,15] [%emt 0:02:50]}
16. Bd2 {(Le3) [%eval 37,14] [%emt 0:03:40]} O-O-O {[%eval 0,15] [%emt 0:05:46]
} 17. Qc2 {(Lg2) [%eval 29,14] [%emt 0:07:45]} Bd6 {
(Kb8) [%eval -3,13] [%emt 0:03:26]} 18. c4 {[%eval 54,13] [%emt 0:02:23]} Bf4 {
(Sa8) [%eval 0,14] [%emt 0:03:16]} 19. Ba5 {[%eval 75,14] [%emt 0:02:10]} c5 {
[%eval 0,14] [%emt 0:03:44]} 20. d5 {(Le2) [%eval 83,13] [%emt 0:02:12]} e5 {
(g5) [%eval 28,15] [%emt 0:06:00]} 21. b4 {(Lg2) [%eval 122,12] [%emt 0:02:08]}
cxb4 {(Lg5) [%eval 0,13] [%emt 0:04:18]} 22. Bxb4 {
[%eval 140,14] [%emt 0:03:25]} Kb8 {[%eval 0,14] [%emt 0:03:24]} 23. a4 {
(Db3) [%eval 143,14] [%emt 0:15:09]} e4 {(a6) [%eval 12,13] [%emt 0:04:05]} 24.
a5 {[%eval 157,13] [%emt 0:02:14]} Nd7 {[%eval 25,14] [%emt 0:05:13]} 25. c5 {
[%eval 182,13] [%emt 0:03:50]} f5 {(Tc8) [%eval 28,13] [%emt 0:05:14]} 26. gxf5
{(Lb5) [%eval 190,12] [%emt 0:02:38]} gxf5 {[%eval -16,13] [%emt 0:03:10]} 27.
a6 {(Lb5) [%eval 184,12] [%emt 0:02:28]} b6 {[%eval -16,14] [%emt 0:06:23]} 28.
c6 {[%eval 172,14] [%emt 0:02:49]} Nf6 {[%eval -9,15] [%emt 0:04:23]} 29. Bc4 {
[%eval 166,14] [%emt 0:04:12]} g5 {(Ld6) [%eval -13,13] [%emt 0:03:00]} 30. Qb2
{[%eval 180,13] [%emt 0:05:42]} Rh6 {(Le5) [%eval -22,14] [%emt 0:06:29]} 31.
Bc3 {(The1) [%eval 158,12] [%emt 0:02:27]} Ne8 {[%eval -34,14] [%emt 0:02:39]}
32. Bd4 {(Db4) [%eval 152,13] [%emt 0:08:22]} Ka8 {
[%eval -38,13] [%emt 0:03:03]} 33. Bb3 {(Db3) [%eval 135,12] [%emt 0:03:05]}
Qe7 {(Tb8) [%eval -75,13] [%emt 0:02:44]} 34. Qe2 {[%eval 87,13] [%emt 0:07:10]
} Nc7 {[%eval -78,14] [%emt 0:05:42]} 35. Bb2 {[%eval 38,13] [%emt 0:06:11]}
Be5 {(Dc5) [%eval -75,14] [%emt 0:04:52]} 36. Bxe5 {
[%eval 57,13] [%emt 0:05:05]} Qxe5 {[%eval -78,12] [%emt 0:00:43]} 37. Qb2 {
(Dd2) [%eval 49,13] [%emt 0:03:49]} Qe7 {[%eval -100,13] [%emt 0:03:47]} 38.
Qa2 {(De2) [%eval 35,13] [%emt 0:10:51]} Kb8 {
(e3) [%eval -109,13] [%emt 0:04:49]} 39. Bc4 {[%eval 15,12] [%emt 0:04:09]} Rh4
{(Db4+) [%eval -119,13] [%emt 0:05:44]} 40. Qc2 {[%eval 15,12] [%emt 0:03:40]}
Kc8 {(Th6) [%eval -119,12] [%emt 0:04:20]} 41. Qc3 {
(Lb3) [%eval 14,12] [%emt 0:04:59]} e3 {(Dc5) [%eval -116,12] [%emt 0:02:38]}
42. fxe3 {[%eval -67,12] [%emt 0:04:29]} Qe4+ {[%eval -134,13] [%emt 0:02:21]}
43. Bd3 {[%eval -87,14] [%emt 0:02:52]} Nxd5 {[%eval -141,13] [%emt 0:01:56]}
44. Qd4 {(Db2) [%eval -110,13] [%emt 0:02:36]} Qe6 {
[%eval -163,12] [%emt 0:01:30]} 45. Qg7 {[%eval -118,13] [%emt 0:03:57]} Rb4+ {
(Se7) [%eval -163,12] [%emt 0:02:44]} 46. Ka1 {[%eval -118,13] [%emt 0:03:45]}
Ra4+ {(Se7) [%eval -166,12] [%emt 0:01:37]} 47. Kb2 {
[%eval -129,13] [%emt 0:08:14]} Ne7 {[%eval -150,12] [%emt 0:02:20]} 48. Bb1 {
(Lc2) [%eval -128,13] [%emt 0:04:55]} Rg8 {[%eval -206,12] [%emt 0:01:43]} 49.
Qc3 {[%eval -229,13] [%emt 0:04:26]} Nd5 {[%eval -275,13] [%emt 0:02:51]} 50.
Rxd5 {[%eval -270,13] [%emt 0:01:56]} Qxd5 {[%eval -316,13] [%emt 0:01:45]} 51.
Qb3 {[%eval -357,13] [%emt 0:06:51]} Qe5+ {[%eval -331,13] [%emt 0:04:39]} 52.
Kc1 {[%eval -361,14] [%emt 0:01:57]} Qc5+ {[%eval -316,12] [%emt 0:01:57]} 53.
Kd2 {[%eval -361,13] [%emt 0:01:08]} Rd8+ {[%eval -344,12] [%emt 0:03:18]} 54.
Ke2 {[%eval -386,13] [%emt 0:03:03]} f4 {[%eval -363,12] [%emt 0:03:39]} 55.
Rd1 {[%eval -432,12] [%emt 0:05:47]} Re8 {[%eval -425,13] [%emt 0:04:58]} 56.
Qd5 {(Kf1) [%eval -486,12] [%emt 0:01:28]} Rxe3+ {
[%eval -469,13] [%emt 0:01:46]} 57. Kf2 {[%eval -535,14] [%emt 0:01:38]} Rb3+ {
(Te5+) [%eval -488,14] [%emt 0:03:36]} 58. Qxc5 {[%eval -526,13] [%emt 0:00:52]
} bxc5 {[%eval -484,14] [%emt 0:01:13]} 59. Bf5+ {
[%eval -539,13] [%emt 0:01:05]} Kc7 {[%eval -494,15] [%emt 0:03:11]} 60. Kf1 {
(Td2) [%eval -586,13] [%emt 0:02:10]} Re3 {
(Tf3+) [%eval -531,14] [%emt 0:03:16]} 61. Bd7 {
(Td7+) [%eval -634,15] [%emt 0:04:01]} Rxa6 {
(c4) [%eval -591,15] [%emt 0:01:16]} 62. Rc1 {[%eval -772,15] [%emt 0:08:43]}
Ra2 {[%eval -672,14] [%emt 0:01:08]} 63. Re1 {[%eval -807,14] [%emt 0:03:06]}
Rf3+ {(c4) [%eval -769,15] [%emt 0:01:23]} 64. Kg1 {
[%eval -532,5] [%emt 0:00:00]} Rg3+ {(Tff2) [%eval -778,15] [%emt 0:01:13]} 65.
Kf1 {(Kh1) [%eval -818,14] [%emt 0:04:43]} Rgg2 {
(c4) [%eval -844,14] [%emt 0:01:16]} 66. Re7 {[%eval -826,15] [%emt 0:04:46]}
Raf2+ {[%eval -844,14] [%emt 0:01:58]} 67. Ke1 {[%eval -826,5] [%emt 0:00:00]}
Rb2 {[%eval -931,14] [%emt 0:02:08]} 0-1

Regards,
M.Scheidl



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