Author: m.d.hurd
Date: 08:11:26 11/20/05
Go up one level in this thread
On November 20, 2005 at 09:09:07, Will Singleton wrote:
>[d]2bk3r/q5b1/p2pp2p/1p6/1P6/5Q2/P1P2RPP/5R1K w - - bm Qg3; "26.Qg3";
>
>26.Qc6 and Qg4 seem to lead to forced rep draws, while Qg3 gives white
>winning chances. To solve this, your program should show a plus score for
>Qg3, since an eval of 0 or less would be equal or inferior to at least 2
>other moves.
>
>[Event "ICC 50 3"]
>[Site "Internet Chess Club"]
>[Date "2005.11.19"]
>[Round "-"]
>[White "PostModernist"]
>[Black "Amateur"]
>[Result "1/2-1/2"]
>[ICCResult "Game drawn by repetition"]
>[WhiteElo "2565"]
>[BlackElo "2604"]
>[Opening "Sicilian: Najdorf, Byrne (English) attack"]
>[ECO "B90"]
>[NIC "SI.14"]
>[Time "22:58:28"]
>[TimeControl "3000+3"]
>
>1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be3 Ng4 7. Bg5 Ne5 8.
>Be2 Nbc6 9. Nd5 Rb8 10. O-O h6 11. Be3 e6 12. Nc3 Na5 13. Rb1 b5 14. b4 Nac4
>15. Bxc4 Nxc4 16. Nc6 Nxe3 17. fxe3 Qb6 18. Nxb8 Qxe3+ 19. Rf2 Qxc3 20. Qf3
>Qc7 21. Rbf1 f6 22. e5 Qxb8 23. exf6 Qa7 24. fxg7 Bxg7 25. Kh1 Kd8 26. Qc6
>Qd7 27. Qe4 Qe7 28. Rf7 Rf8 29. Qg6 Rxf7 30. Rxf7 Qh4 31. g3 Qxb4 32. Rxg7
>Qe1+ 33. Kg2 Qe2+ 34. Kh3 e5+ 35. g4 Qf3+ 36. Kh4 Qf2+ 37. Kh3 Qf3+ 38. Kh4
>Qf2+ 39. Kh3 Qf3+ {Game drawn by repetition} 1/2-1/2
New game - Fritz 9,
2bk3r/q5b1/p2pp2p/1p6/1P6/5Q2/P1P2RPP/5R1K w - - 0 1
Analysis by Fritz 9:
1.Qg3!
² (0.29) Depth: 7/20 00:00:00 48kN
1.Qg3!
² (0.59) Depth: 7/21 00:00:00 53kN
1.Qg3 Be5 2.Qh4+ Qe7 3.Rf8+ Rxf8
± (1.10) Depth: 7/22 00:00:00 79kN
1.Qg3--
± (0.82) Depth: 8/26 00:00:00 186kN
1.Qg3 Qd4 2.Rf4 Qe5
= (-0.06) Depth: 8/31 00:00:00 731kN
1.Qg3 Qd4 2.Rf4 Qe5
= (-0.06) Depth: 9/17 00:00:01 961kN
1.Qg3 Qd4 2.Rf4 Qc3 3.Qh4+ Kc7 4.R4f3 Qd4
= (0.00) Depth: 10/29 00:00:01 1443kN
1.Qg3!
² (0.28) Depth: 11/30 00:00:02 2473kN
1.Qg3 Qd4 2.Rf4 Qc3 3.Qh4+ Kc7 4.R4f3 Qb2 5.Qe7+ Kb8
² (0.52) Depth: 11/30 00:00:03 2758kN
1.Qc6!
² (0.52) Depth: 11/35 00:00:04 3624kN
1.Qc6--
= (0.24) Depth: 12/30 00:00:05 4788kN
1.Qc6 Qd7 2.Qe4
= (0.24) Depth: 12/36 00:00:05 5069kN
1.Qg3!
= (0.25) Depth: 12/36 00:00:05 5304kN
1.Qg3!
² (0.40) Depth: 12/36 00:00:05 5355kN
1.Qg3 Qd4 2.Rf4 Qe5 3.Qf2 Ke8
² (0.52) Depth: 12/36 00:00:06 5851kN
1.Qg3!
± (0.80) Depth: 13/32 00:00:10 10787kN
1.Qg3!
± (1.08) Depth: 13/35 00:00:11 11726kN
1.Qg3 Qd4 2.Rf4 Qe5 3.Qf2 Qd5 4.Qb6+ Ke8 5.Qc7 Qb7 6.Qxd6 Rg8 7.Qc5 e5
± (1.09) Depth: 13/37 00:00:12 12796kN
1.Qg3 Qd4 2.Rf4 Qe5 3.Qf2 Qd5 4.Qb6+ Ke8 5.Qc7 Qb7 6.Qxd6 Rg8 7.Qc5 e5
± (1.09) Depth: 14/34 00:00:20 21277kN
1.Qg3 Qd4 2.Rf4 Qc3 3.Qh4+ Kc7 4.R4f3 Qb2 5.Qe7+ Kb8 6.c3 Rg8 7.Rf7 Qxg2+ 8.Kxg2
Bf8+ 9.Kf3 Bxe7 10.Rxe7 Bb7+ 11.Ke3 Bd5 12.Rf6 h5
± (1.03) Depth: 15/38 00:00:45 49184kN
1.Qg3 Qd4 2.Rf4 Qc3 3.Qh4+ Kc7 4.R4f3 Qb2 5.Qe7+ Kb8 6.c3 Rg8 7.Rf7 Qxg2+ 8.Kxg2
Bf8+ 9.Kf3 Bxe7 10.Rxe7 Bb7+ 11.Ke3 Bd5 12.Rf6 h5 13.Rd7
± (0.98) Depth: 16/39 00:02:08 142753kN
1.Qg3 Qd4 2.Rf4 Qc3 3.Qh4+ Kc7 4.R4f3 Qb2 5.Qe7+ Kb8 6.c3 Rg8 7.Rf7 Qxg2+ 8.Kxg2
Bf8+ 9.Kf3 Bxe7 10.Rxe7 Bb7+ 11.Ke3 Bd5 12.Rf6
± (0.98) Depth: 17/42 00:04:56 335160kN
1.Qg3 Qd4 2.Rf4 Qc3 3.Qh4+ Kc7 4.R4f3 Qb2 5.Qe7+ Kb8 6.c3 Rg8 7.Rf7 Qxg2+ 8.Kxg2
Bf8+ 9.Kf3 Bxe7 10.Rxe7 Bb7+ 11.Ke3 Bd5 12.Rf6
± (0.98) Depth: 18/47 00:11:14 761158kN
1.Qg3 Qd4 2.Rf4 Qc3 3.Qh4+ Kc7 4.R4f3 Qb2 5.Qe7+ Kb8 6.c3 Rg8 7.Rg1 Bb7 8.Rg3
Qd2 9.Rxg7
± (1.14) Depth: 19/46 00:29:53 1980062kN
Mike
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