Author: Paulo Soares
Date: 01:15:10 09/03/99
Go up one level in this thread
On September 01, 1999 at 19:45:13, Phil Dixon wrote:
>
>
>r2k3r/p1p2ppp/3b4/1B1n4/3Pp1bq/5PN1/PP1P1KPP/RNBQ3R b - - 0 13
>
>I would be interested in different programs analysis of this position and what
>some good player's analysis of the position would be? Obviously, Black is down
>a piece. Is there positional compensation, how much?
>
>Black to move. I haven't been able to find a refutation. Could you run this on
>your Xeon box for a while, Bob? I would be most grateful.
>
>
>Thanks everyone.
>
>Phil
I liked the position and I solved analyse it. I used Hiarcs 7.32 and some hours
to arrive to the variants below. Based on those analyses, white ones will have
to fight a lot to win. Some lines can be improved or even being wrong,
but I wait that help.
Paulo
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[Annotator "Soares,P"]
[SetUp "1"]
[FEN "r2k3r/p1p2ppp/3b4/1B1n4/3Pp1bq/5PN1/PP1P1KPP/RNBQ3R b - - 0 13"]
[PlyCount "29"]
13... exf3 14. gxf3 Bd7 15. Bxd7 Qxd4+ 16. Ke1 Kxd7 17. Nc3 (17. d3 Rae8+ 18.
Kf1 Bf4 19. Ne4 (19. Nc3 Bxc1 20. Nxd5 Bxb2 21. Rb1 Rb8 22. Qc2 (22. Qd2 Qxd5
23. Rxb2 Qxf3+ 24. Kg1 Rxb2 (24... Rhe8 25. Rb3 Rxb3 26. axb3 Re3 27. Qf2 Rxd3
28. Qxf3 Rxf3 29. Kg2 Rxb3 $17) 25. Qxb2 Qxd3 26. Qxg7 Qb1+ 27. Kf2 Qxa2+ 28.
Ne2 Re8 29. Re1 {Unclear}) (22. Nxc7 Kxc7 23. Qc2+ Kd7 24. Ne2 {Unclear}) (22.
Qe2 Rhe8 23. Qf2 Qxd5 24. Rxb2 Rxb2 25. Qxb2 Re3 {Unclear}) 22... Qxd5 23. Rxb2
Qxf3+ 24. Kg1 Rhe8 25. Qa4+ Ke7 26. Re2+ Kf8 27. Rxe8+ Rxe8 28. Qb4+ Kg8 29.
Qd2 Rd8 30. Qe2 Qxe2 31. Nxe2 Rxd3 32. Kf2 {Unclear}) 19... Bxc1 20. Qxc1 f5
21. Nbc3 Qxd3+ 22. Kg2 fxe4 23. Nxe4 Rxe4 24. fxe4 Ne3+ {-+}) (17. Ne4 Rhe8 18.
Nbc3 f5 19. Ne2 Qd3 20. Nxd6 Kxd6 21. Kf2 Re6 22. Rf1 Rae8 23. Ng3 (23. Nc3
Qd4+ 24. Kg2 Qh4 25. Nb5+ Kc6 26. Kh1 Re2 {-+}) 23... h5 24. Qb3 (24. Qa4 h4
25. Qa3+ Qxa3 26. Nxf5+ (26. bxa3 hxg3+ 27. hxg3 Re2+ 28. Kg1 f4 29. g4 Rh8 30.
Rf2 Rh1+ 31. Kxh1 Rxf2 32. Bb2 g5 {-+}) 26... Ke5 27. d4+ (27. bxa3 Kxf5 28.
Rb1 h3 29. f4 Re2+ 30. Kg3 Rg2+ 31. Kf3 Nxf4 32. d4 Ne2 33. Be3 Nc3 34. Rbe1 g5
{-+}) 27... Kxf5 28. bxa3 Re2+ {-+}) (24. Rg1 h4 {-+}) (24. b3 h4 25. Ba3+ Kd7
26. Bc5 hxg3+ 27. hxg3 f4 28. g4 Rh8 {-+}) 24... Qd4+ {-+}) (17. Qc2 Rhe8+ 18.
Kf1 Nf4 19. Ne4 (19. Qf5+ Re6 (19... Kc6 20. Qc2+ Kb7 {=}) 20. Nc3 Bc5 21. Nd1
Rae8 22. d3 Qxd3+ 23. Qxd3+ Nxd3 {Unclear}) (19. d3 Nxd3 20. Nc3 Re1+ 21. Kg2
Rae8 22. Nge4 f5 23. Nb5 Qd5 24. Nbxd6 (24. Nbc3 Qc4 25. Qb3 Qxb3 26. axb3 fxe4
27. Nxe4 Re2+ 28. Kf1 Nxc1 29. Rxc1 Rxb2 $19) 24... fxe4 25. Nxe8 exf3+ 26. Kg3
Rxh1 {-+}) 19... Nd3 20. Nbc3 Rxe4 21. Nxe4 Re8 22. Qc3 Rxe4 23. Qxd4 Rxd4 {
Unclear}) 17... Rhe8+ 18. Nge4 f5 19. Ne2 (19. Nxd5 Qxd5 20. d3 fxe4 21. Qa4+
c6 22. dxe4 Qd3 23. Rg1 Qxf3 24. Rxg7+ Re7 25. Qd4 Rg8 26. Qxa7+ (26. Rxe7+
Kxe7 27. e5 Qh1+ 28. Kd2 Qxh2+ 29. Kd3 Bxe5 30. Qxa7+ Ke6 31. Qb6 Qg2 32. Qb3+
Kf6 {-+}) 26... Ke6 27. Qxe7+ Bxe7 28. Rxg8 Bb4+ 29. Bd2 Qh1+ 30. Ke2 Qxh2+ 31.
Kf3 Qxd2 {-+}) 19... Qd3 20. Nxd6 Kxd6 21. Kf2 Re6 22. Rf1 (22. Re1 Rae8 23.
b3 Rh6 24. Ba3+ Kd7 25. h4 (25. Kg1 f4 26. Nxf4 Nxf4 27. Rxe8 Qg6+ 28. Kf2
Rxh2+ {-+}) 25... Rxh4 26. Kg3) (22. h4 Rae8 23. Nc3 Qd4+ {-+}) 22... Rae8 23.
Ng3 h5 24. b3 h4 25. Ba3+ Kd7 26. Bc5 hxg3+ 27. hxg3 f4 {-+} *
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