Author: Chessfun
Date: 10:50:08 02/24/04
Go up one level in this thread
On February 23, 2004 at 23:43:01, Mike S. wrote:
>On February 23, 2004 at 17:55:47, John Merlino wrote:
>
>>This should be the last position after 27.Bh4. My bad....
>
>[D]2r2r1k/p6B/1qn1b3/3pP3/1P1P1P1b/P1p2NR1/6P1/1K5R w - - 0 28
>
>According to results of a quick analysis with Hiarcs 9 on my internet pc (which
>is a bit slow though, 700 MHz), this position ist clearly won for white because
>the threats against the bk are too strong. Black's going to have to return
>material to avoid a direct mate. After the last move in your variant 27...Bh4,
>28.Bd3 simply threats #1. It seems that only 28...Qd8 or 28...Rxf4 are defense
>attempts which make some sense, but are not sufficient:
>
>22...bxc3 23.Qxe6+ Bf7 24.Bxg6 Qb6 25.b4 Bxe6 26.Bxh7+ Kh8 27.Rh1 Bh4 28.Bd3 Qd8
>(28...Rxf4 29.Nxh4 Bg4 30.Ng6+ Kg8 {(or Kg7)} 31.Nxf4) (28...c2+ {achieves
>nothing.}) 29.Nxh4 Qd7 30.Nf3+ Bh3 31.Rhxh3+ Qxh3 32.Rxh3+)
>
>(I didn't check the analysis prior to 28.Bd3)
>
>
>[Event "New York"]
>[Site "New York"]
>[Date "1947.??.??"]
>[Round "?"]
>[White "Evans, L."]
>[Black "Pilnick, C."]
>[Result "1-0"]
>[ECO "C13"]
>[PlyCount "57"]
>[EventDate "1947.??.??"]
>
>1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 O-O 8.
>O-O-O c5 9. h4 cxd4 10. Nce2 Nc6 11. f4 Qa5 12. Kb1 d3 13. cxd3 Bd7 14. Rh3
>Rac8 15. Rg3 g6 16. d4 b5 17. h5 Nb4 18. a3 Nc6 19. hxg6 fxg6 20. Nc3 b4 21.
>Bd3 Be8 22. Nf3 bxa3 (22... bxc3 23. Qxe6+ Bf7 24. Bxg6 Qb6 25. b4 Bxe6 26.
>Bxh7+ Kh8 27. Rh1 Bh4 28. Bd3 Qd8 (28... Rxf4 29. Nxh4 Bg4 30. Ng6+ Kg8 {
>(or Kg7)} 31. Nxf4) (28... c2+ {achieves nothing.}) 29. Nxh4 Qd7 30. Nf3+ Bh3
>31. Rhxh3+ Qxh3 32. Rxh3+) 23. Qxe6+ Bf7 24. Bxg6 axb2 25. Bxh7+ Kh8 26. Qh6
>Qa1+ 27. Kc2 b1=Q+ 28. Rxb1 Nb4+ 29. Kd1 1-0
I don't think you looked at 28...c2+ long enough or maybe with a variety of
engines. There are many variations but I think the following best for both
sides.
[Event "New York"]
[Site "New York"]
[Date "1947.??.??"]
[Round "?"]
[White "Evans, L."]
[Black "Pilnick, C."]
[Result "1-0"]
[ECO "C13"]
[PlyCount "57"]
[EventDate "1947.??.??"]
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 O-O 8.
O-O-O c5 9. h4 cxd4 10. Nce2 Nc6 11. f4 Qa5 12. Kb1 d3 13. cxd3 Bd7 14. Rh3
Rac8 15. Rg3 g6 16. d4 b5 17. h5 Nb4 18. a3 Nc6 19. hxg6 fxg6 20. Nc3 b4 21.
Bd3 Be8 22. Nf3 bxa3 (22... bxc3 23. Qxe6+ Bf7 24. Bxg6 Qb6 25. b4 Bxe6 26.
Bxh7+ Kh8 27. Rh1 Bh4 28. Bd3 c2+ 29. Kc1 Rxf4 30. Nxh4 Bg4 31. Ng6+ Kg8 32.
Nxf4 Nxe5 33. dxe5 Kf8 34. Rf1 Ke8 35. Nxd5 Qh6+ 36. Ne3 Rc3 37. Kd2 Qf4 38.
Kxc3 Qxe5+ 39. Kxc2 Qc7+ 40. Kd2 Qxg3 {See analysis}) 23. Qxe6+ Bf7 24. Bxg6
axb2 25. Bxh7+ Kh8 26. Qh6 Qa1+ 27. Kc2 b1=Q+ 28. Rxb1 Nb4+ 29. Kd1 1-0
(28. Bd3 c2+ 29. Kc1 Rxf4 30. Nxh4 Bg4 31. Ng6+ Kg8 32.
Nxf4 Nxe5 33. dxe5 Kf8 34. Rf1 Ke8 35. Nxd5 Qh6+ 36. Ne3 Rc3 37. Kd2 Qf4 38.
Kxc3 Qxe5+ 39. Kxc2 Qc7+ 40. Kd2 Qxg3) See analysis
Evans,L - Pilnick,C
4k3/p7/8/8/1P4b1/P2BN1q1/3K2P1/5R2 w - - 0 1
XP 2600 128 Mb
Analysis by Hiarcs 9:
41.Nxg4 Qxg4 42.Re1+ Kd8 43.Be4 Qd7+ 44.Ke2 Qg4+ 45.Kd3 Qd7+ 46.Kc3 Qc7+ 47.Kd4
Qd6+ 48.Bd5 Qf6+ 49.Re5 Qf4+ 50.Be4
² (0.66) Depth: 14/39 00:07:53 157284kN, tb=2763
Analysis by Shredder 8:
41.Bb5+ Kd8 42.Rf8+ Kc7 43.Rf7+ Kb8 44.Bc4 Bc8 45.Rf3 Qe5 46.Bd5 Qd4+
² (0.48) Depth: 15/41 00:03:20 69215kN, tb=14211
Sarah.
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