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Subject: Re: Start your engines - Queen sac

Author: Tom Likens

Date: 08:10:04 11/30/03

Go up one level in this thread


On November 29, 2003 at 14:22:08, George Sobala wrote:

>How quickly does your engine find the queen sac?
>Rebel 12 prefers it instantly.
>
>This position came up in a tournament game on ICC yesterday, Rebel 12 v (I
>think) Fritz 8 with a human operator, 10 6 time control.
>
>[D] rnr3k1/1b1nbppp/pq2p3/1p1pN3/3P1P2/4P1P1/PPQBN1BP/2R2RK1 w - - 4 1
>
>[Event "ICC tourney 438 (10 6)"]
>[Site "Internet Chess Club"]
>[Date "28/11/2003"]
>[Round "2"]
>[White "redshift"]
>[Black "KevNY"]
>[Result "1-0"]
>[WhiteElo "2903"]
>[BlackElo "2334"]
>[Opening "Queen's Indian: 4.g3"]
>
>1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Nc3 d5 8. Ne5
>O-O 9. cxd5
>cxd5 10. O-O Bb7 11. Rc1 Nfd7 12. f4 a6 13. e3 b5 14. Ne2 Qb6 15. Qc2 Rc8 16.
>Qxc8+ Bxc8
>17. Rxc8+ Nf8 18. f5 Qb7 19. Rfc1 Bd6 20. fxe6 fxe6 21. Bh3 g5 22. Ba5 Ra7 23.
>Rd8 b4
>24. Rxd6 Qb5 25. Rd8 Qxe2 26. Rf1 Qxe3+ 27. Kh1 Kg7 28. Rxb8 Ng6 29. Bb6 Re7 30.
>Bd8
>Nxe5 31. Bxe7 Qxd4 32. Bf6+ Kh6 33. Re8 Qd3 34. Bxe5 Qe4+ 35. Kg1 Qe3+ 36. Rf2
>Qe1+ 37. Kg2
>Qe4+ 38. Kf1 Kh5 39. Bxe6 b3 40. g4+ { Black resigns} 1-0

Djinn is slower than the others but finds it eventually (P4 2.2-GHz)

   2  00:00:00   0.31  1. Qd3 Rxc1 2. Rxc1H Nxe5H 3. fxe5 <HT>
   3  00:00:00   0.00  1. Qb3 Rxc1 2. Rxc1 b4
   4  00:00:00   0.00  1. Qb3 Rxc1 2. Rxc1 Nxe5 3. fxe5
   5  00:00:00   0.13  1. Qd3 Rxc1 2. Rxc1 Nxe5 3. fxe5 Nd7
   6  00:00:00   0.19  1. Qd3 Rd8 2. a3 g6 3. Rfd1 Bf6
   7  00:00:00   0.15  1. Qd3 Rxc1 2. Nxc1 Nxe5 3. fxe5 f6 4. exf6 Bxf6 <HT>
   8  00:00:02   0.15  1. Qd3 Rxc1 2. Rxc1 Nxe5 3. fxe5 Nd7 4. Nf4 Re8
                       5. Nh5
   9  00:00:03   0.07  1. Qd3 Rxc1 2. Nxc1 f6 3. Nf3 Nc6 4. Ne2 Nb4
                       5. Qa3
  10  00:00:12   +.++  1. Qxc8+!!
  10  00:00:03   0.32  1. Qxc8+
  11  00:00:06   -.--  1. Qxc8+
  11  00:00:26   0.32  1. Qxc8+
  12  00:00:05   +.++  1. Qxc8+!!
  12  00:00:27   0.71  1. Qxc8+ Bxc8 2. Rxc8+ Nf8 3. f5 Qb7 4. Rfc1 Ra7
                       5. fxe6 fxe6 6. Nf4 Qb6 7. Nxe6 Qxe6 8. Rxb8
  13  00:01:25   1.28  1. Qxc8+ Bxc8 2. Rxc8+ Nf8 3. f5 Qb7 4. Rfc1 Bd6
                       5. fxe6 fxe6 6. Bh3 h6 7. Bxe6+ Kh7 8. Bh3
                       g6 9. Ba5
regards,
--tom




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