Author: Slater Wold
Date: 16:42:11 03/15/02
Go up one level in this thread
On March 15, 2002 at 06:56:15, Ed Schröder wrote:
>The yearly Aufsess tournament in Germany has started again, when replaying
>Rebel's game against Fritz in round-2 I came accross the below position:
>
>[d]8/8/6R1/1nB1K3/k7/7p/1P4bP/8 w - - 0 1
>
>White has a clear win but has troubles to give black the final knock, then the
>surprising 64.Rxg2! follows, game over. How long do other programs need? Rebel
>needs 2:15, that can be much shorter, or?
>
>Ed
>
>===================================================
>
>The game in question.
>
>[Event "Aufsess 2002"]
>[Site "Sachsendorf"]
>[Date "2002.03.13"]
>[Round "2"]
>[White "Rebel Century 4"]
>[Black "Deep Fritz"]
>[Result "1-0"]
>[ECO "D21"]
>[PlyCount "137"]
>[EventDate "2002.03.??"]
>
>1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. Nc3 e6 5. e4 cxd4 6. Qxd4 Qxd4 7. Nxd4 a6 8.
>Bxc4 b5 9. Be2 Bb7 10. f3 Nc6 11. Nxc6 Bxc6 12. Be3 Bd6 13. O-O Be5 14. Rfc1
>Ne7 15. a4 b4 16. Nd1 Bb7 17. f4 Bb8 18. Nf2 Ng6 19. g3 e5 20. f5 Ne7 21. Rc2
>Bd6 22. Rd1 Rc8 23. Rcd2 Bc7 24. Ng4 h5 25. f6 Ng8 26. fxg7 Rh7 27. Bc5 Rxg7
>28. Ne3 Nf6 29. Nf5 Rg6 30. Bxb4 Bc6 31. Rc2 Bxa4 32. Nd6+ Bxd6 33. Rxc8+ Kd7
>34. Rxd6+ Kxc8 35. Rxa6 Bd7 36. Bc3 Nxe4 37. Bxe5 Kb7 38. Ra3 h4 39. Bf3 f5 40.
>g4 Kb6 41. Bf4 Rxg4+ 42. Bxg4 fxg4 43. Be3+ Kb5 44. Ra7 Kc6 45. Ra5 Nd6 46.
>Rc5+ Kb7 47. Bf4 Nb5 48. Kf2 Ka6 49. Rd5 Bc6 50. Rh5 h3 51. Rh6 Kb7 52. Ke3 Bd5
>53. Rg6 Bg2 54. Rxg4 Kc6 55. Kd3 Bf1+ 56. Ke4 Kc5 57. Ke5 Kc4 58. Rg3 Bg2 59.
>Bg5 Kb4 60. Be7+ Ka5 61. Rg7 Kb6 62. Rg6+ Ka5 63. Bc5 Ka4 64. Rxg2 hxg2 65. h4
>Nc7 66. h5 Na6 67. Bg1 Nb8 68. Kd6 Kb5 69. h6 1-0
Crafty 18.10 with SE:
White(1): go
end-game phase
clearing hash tables
time surplus 0.00 time limit 10:00 (10:00)
nss depth time score variation (1)
starting thread 1
8 0.13 4.36 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Bd6 Ne8 5. Bc5
8-> 0.16 4.36 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Bd6 Ne8 5. Bc5
9 0.25 4.21 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Bd6 Ne8 5. Bc5 Bf3
9-> 0.34 4.21 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Bd6 Ne8 5. Bc5 Bf3
10 0.66 4.21 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Bd6 Ne8 5. Be7 Bf3 6. Bc5
10-> 0.95 4.21 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Bd6 Ne8 5. Be7 Bf3 6. Bc5
11 1.74 4.20 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Be7 Bc6 5. Rc3 Kb6 6. Rxh3 Bd5
11-> 2.44 4.20 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Kb5 4.
Be7 Bc6 5. Rc3 Kb6 6. Rxh3 Bd5
12 3.74 4.21 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Nd5 4.
Bd6 Kb6 5. b4 Bf3 6. Rh4 Nc3 7. Rxh3
12-> 4.61 4.21 1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Nd5 4.
Bd6 Kb6 5. b4 Bf3 6. Rh4 Nc3 7. Rxh3
13 11.25 4.19 1. Rg4+ Ka5 2. Rc4 Nc7 3. Rc3 Kb5 4.
Bd6 Na6 5. Kf5 Ka5 6. Rc4 Kb5 7. b3
Bf3
13 14.06 4.20 1. Rb6 Ka5 2. Rb8 Ka4 3. b3+ Ka5 4.
Kf5 Bh1 5. Re8 Bg2 6. Re7 Bf3 7. Re3
Bg2
(3) 13-> 15.64 4.20 1. Rb6 Ka5 2. Rb8 Ka4 3. b3+ Ka5 4.
Kf5 Bh1 5. Re8 Bg2 6. Re7 Bf3 7. Re3
Bg2
(2) 14 32.03 4.16 1. Rb6 Nc7 2. Rb8 Na6 3. b3+ Ka5 4.
b4+ Ka4 5. Rf8 Bc6 6. Bd6 Bb5 7. Rh8
Be2 8. Rxh3 Nxb4 9. Rc3
14 57.20 4.21 1. Rg4+ Ka5 2. Be3 Ka6 3. Rg6+ Ka5
4. Bd2+ Ka4 5. Rg3 Bf1 6. b3+ Ka3 7.
Rf3 Bg2 8. Rd3 Bf1 9. Rg3 Bg2 10. Rd3
(2) 14-> 1:03 4.21 1. Rg4+ Ka5 2. Be3 Ka6 3. Rg6+ Ka5
4. Bd2+ Ka4 5. Rg3 Bf1 6. b3+ Ka3 7.
Rf3 Bg2 8. Rd3 Bf1 9. Rg3 Bg2 10. Rd3
15 1:22 4.26 1. Rg4+ Ka5 2. Bf2 Bf3 3. Rh4 Bg2 4.
b3 Nc7 5. Kd6 Na6 6. Be1+ Kb6 7. Rg4
Bf1 8. Rg5 Bb5 9. Bf2+ Ka5 10. Bd4
15 1:38 ++ 1. Rxg2!!
15 1:55 7.62 1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
Bg1 Kd3 5. h6 Ke2 6. h7 Kf1 7. Bb6
g1=Q 8. Bxg1 Nc7 9. h8=Q Kxg1
(3) 15-> 1:56 7.62 1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
Bg1 Kd3 5. h6 Ke2 6. h7 Kf1 7. Bb6
g1=Q 8. Bxg1 Nc7 9. h8=Q Kxg1
16 2:07 ++ 1. Rxg2!!
(2) 16 2:23 8.66 1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
Bb6 Nc7 5. b3+ Kxb3 6. h6 Kc4 7. h7
Nd5 8. Bg1 Ne7 9. Kf6 <HT>
(2) 16-> 2:32 8.66 1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
Bb6 Nc7 5. b3+ Kxb3 6. h6 Kc4 7. h7
Nd5 8. Bg1 Ne7 9. Kf6 <HT>
17 3:07 ++ 1. Rxg2!!
17 4:29 9.97 1. Rxg2 hxg2 2. h4 Nc7 3. h5 Na6 4.
Bg1 Nb8 5. Kd6 Kb5 6. h6 Nc6 7. h7
Nd8 8. Ke7 Nb7 9. h8=Q Kb4 10. Ke6
17-> 4:46 9.97 1. Rxg2 hxg2 2. h4 Nc7 3. h5 Na6 4.
Bg1 Nb8 5. Kd6 Kb5 6. h6 Nc6 7. h7
Nd8 8. Ke7 Nb7 9. h8=Q Kb4 10. Ke6
18 5:34 -- 1. Rxg2
18 5:54 9.66 1. Rxg2 hxg2 2. h4 Nc7 3. h5 Kb5 4.
Bg1 Kc6 5. h6 Nd5 6. h7 Ne7 7. b3 Kb7
8. Kf6 Nd5+ <HT>
(4) 18-> 6:29 9.66 1. Rxg2 hxg2 2. h4 Nc7 3. h5 Kb5 4.
Bg1 Kc6 5. h6 Nd5 6. h7 Ne7 7. b3 Kb7
8. Kf6 Nd5+ <HT>
time=10:00 cpu=201% mat=3 n=408567801 fh=89% nps=680k
ext-> chk=17716293 cap=190208 pp=661890 1rep=406145 mate=375122 si
ng=0
predicted=0 nodes=408567801 evals=72177577
endgame tablebase-> probes done=1532178 successful=352394
hashing-> trans/ref=22% pawn=8% used=99%
SMP-> split=3607 stop=477 data=10/32 cpu=20:12 elap=10:00
Dual AMD 1.6Ghz
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