Author: Slater Wold
Date: 05:30:08 10/26/01
Go up one level in this thread
On October 26, 2001 at 07:44:31, José Carlos wrote:
>On October 25, 2001 at 19:34:23, Slater Wold wrote:
>
>>On October 25, 2001 at 18:39:50, Andrew Williams wrote:
>>
>>>Hi,
>>>
>>>PM (Athlon 1.2GHz) just played out this draw with ArasanX (Athlon 1.3GHz)
>>>on ICC:
>>>
>>>[Event "ICS rated blitz match"]
>>>[Site "204.178.125.65"]
>>>[Date "2001.10.25"]
>>>[Round "-"]
>>>[White "PostModernist"]
>>>[Black "ArasanX"]
>>>[Result "1/2-1/2"]
>>>[WhiteElo "2771"]
>>>[BlackElo "2619"]
>>>[TimeControl "600+2"]
>>>
>>>1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. g3 dxc4 6. Bg2 c5 7. O-O Bxc3 8.
>>>bxc3 cxd4 9. Ne5 O-O 10. Ba3 Re8 11. cxd4 c3 12. Rc1 Qa5 13. Qb3 Nbd7 14.
>>>Nc4 Qa6 15. Nd6 Rd8 16. Nxc8 Raxc8 17. Bxb7 Qxe2 18. Bxc8 Rxc8 19. Rxc3
>>>Rxc3 20. Qxc3 g6 21. Qb2 Qd3 22. Rc1 Nd5 23. Bc5 a5 24. a4 Kg7 25. h4 Kf6
>>>26. Bd6 N7b6 27. Rc6 Nc4 28. Be5+ Nxe5 29. dxe5+ Kg7 30. Qb5 Qe4 31. Kh2
>>>Nf4 32. gxf4 Qxf4+ 33. Kg1 Qg4+ 34. Kf1 Qd1+ 35. Kg2 Qg4+ 36. Kf1 Qd1+ 37.
>>>Kg2 Qg4+ 38. Kh1 Qf3+ 39. Kg1 Qg4+ 40. Kh2 Qf4+ 41. Kh3 Qf3+ 42. Kh2 Qf4+
>>>43. Kh3
>>>{Game drawn by repetition} 1/2-1/2
>>>
>>>
>>>Arasan found a nice saving move with 31...Nf4. My program takes 15 seconds
>>>to find this, but doesn't return a draw score after ten minutes. Arasan
>>>moved in 15 seconds. How long does it take your program?
>>>
>>>[D]8/5pkp/2R1p1p1/pQ1nP3/P3q2P/6P1/5P1K/8 b - - 0 31 bm Nf4
>>>
>>>Cheers
>>>
>>>Andrew
>>
>>31...Nf4 is *not* brillant. 32. gxf4 is a blunder.
>[snip]
>
> Please, don't confuse brilliant with best move. A spectacular move that gives
>practical chances is generally considered brilliant. Even a blunder can be
>brilliant. For example, your opponent is a piece up but he's got very little
>time. You find a very complicated move that is a mate in 5 for your opponent if
>he can see it but the position goes crazy and you manage to mess things up. In
>that case, you made a brilliant decision.
> On the other hand, my program likes Nf4 very soon (2 seconds), but it doesn't
>want to take the knight:
>
>Averno v0.33 alfa 6
>(c) 1999-2001 Jose Carlos Martinez Galan
>
>
>go
>Tiempo esperado: 249999999.975000
>
>Prof Eval Tiempo Nodos PV
>---- ---- ------ --------- ------
>1 -2.78 0.02 46 e4e5
>1 -2.52 0.02 92 d5b4!
>1 -2.13 0.02 101 d5b4!
>1 -2.13 0.02 101 d5b4
>1 -2.08 0.02 195 e4e1!
>1 -2.08 0.02 195 e4e1
>1 -2.08 0.02 215--e4e1
>2 -2.08 0.02 292 e4e1 f2f4
>2 -2.08 0.03 796--e4e1 f2f4
>3 -2.08 0.03 1168 e4e1 f2f4 h7h5
>3 -2.08 0.03 2375--e4e1 f2f4 h7h5
>4 -2.08 0.04 3844 e4e1 f2f4 e1f2 h2h3
>4 -2.08 0.05 8163--e4e1 f2f4 e1f2 h2h3
>5 -2.09 0.07 13759 e4e1 f2f4 d5b4 c6c8 e1f2
>5 -2.08 0.13 37975 e4f3!
>5 -2.08 0.13 37975 e4f3 b5c5 f3e2 c6c8 e1f2
>5 -2.08 0.13 38832--e4f3 b5c5 f3e2 c6c8 -
>6 -2.53 0.17 56191 e4f3 b5c5 d5f4 g3f4 f3f4 h2g2
>6 -2.27 0.19 61739 e4e1!
>6 -2.08 0.30 104684 e4e1!
>6 -2.08 0.30 104684 e4e1 c6c2 h7h6 f2f3 e1d1 c2c8
>6 -2.08 0.43 159778--e4e1 c6c2 h7h6 f2f3 e1d1 c2c8
>7 -2.08 0.57 213086 e4e1 c6c2 g7h6 f2f3 e1d1 c2c8 d1e1
>7 -2.06 0.73 278509 e4f3!
>7 -2.06 0.73 278509 e4f3 c6c2 d5f4 b5f1 f4d3 f1e2 f3e2
>7 -2.06 1.05 408306--e4f3 c6c2 d5f4 b5f1 f4d3 f1e2 f3e2
>8 -2.06 1.20 472733 e4f3 c6c2 d5f4 b5f1 f4d3 f1e2 f3e2 c2e2
>8 -1.91 2.78 1126017 d5f4!
>8 -1.91 2.78 1126017 d5f4 g3f4 e4f4 h2h1 f4f2 h4h5 g6h5 c6a6
>8 -1.91 3.20 1300447--d5f4 g3f4 e4f4 h2h1 f4f2 h4h5 g6h5 c6a6
>9 -1.66 3.68 1475038 d5f4!
>9 -1.42 4.21 1698379 d5f4 f2f3 e4f3 g3f4 f3f2 h2h1
>9 -1.42 5.20 2138820--d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 -
>10 -1.40 5.87 2437182 d5f4 f2f3 e4f3 g3f4 f3f4 h2g2
>10 -1.40 7.74 3327489--d5f4 f2f3 e4f3 g3f4 f3f4 h2g2 -
>11 -1.23 9.70 4141679 d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4
>11 -1.23 17.38 7515166--d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4
>12 -1.16 23.07 9852788 d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4 f1g2
>12 -1.16 148.23 57431651--d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4 f1g2
>13 -1.15 160.28 62530840 d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4 f1g2 f4e4
>13 -1.15 218.33 87898726--d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4 f1g2 f4e4
>14 -1.08 234.61 95111023 d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4 f1e1 f4e4 e1d2
>14 -1.08 303.21 126259900--d5f4 f2f3 e4f3 g3f4 f3f2 h2h1 f2h4 h1g1
> h4g3 g1f1 g3f4 f1e1 f4e4 e1d2
>
>;Mi jugada (26) es: d5f4;
>Tiempo restante: 9999999635.92
>Totales: Visitados: 154700015 Nulos: 14464493 Cortes Nulos: 6728415
>Hash exactos: 1464 UBounds: 1614338 LBounds: 10268199 Fallos: 227635358
>Hash grabaciones: 35789756 (100%) No grabaciones: 21260892
>Extensiones: Jaque: 10378295 Recaptura: 1076786 Null: 83673 Peon_7: 107823
>Cortes Beta: 21305351 Cortes Beta Primera: 18790548 (88%) Podas Futility:
>13431256
>Por segundo: Visitados: 426056
Ng4 does _not_ draw. It loses. Just like every other move.
Andrew was (I think) under the impression it drew. It does not.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.