Author: Vincent Lejeune
Date: 14:38:32 01/30/06
Go up one level in this thread
On January 30, 2006 at 17:09:29, Sune Larsson wrote: >On January 30, 2006 at 16:47:34, Vincent Lejeune wrote: > >>On January 30, 2006 at 16:05:39, Sune Larsson wrote: >> >>>On January 30, 2006 at 15:21:01, Vincent Lejeune wrote: >>> >>>>On January 30, 2006 at 14:58:47, Sune Larsson wrote: >>>> >>>>> >>>>> 6k1/6p1/p2n4/5P2/2P5/1p6/3r3P/1K2Q3 b - - 0 44 >>>>> >>>>> >>>>> What about 44.-Nxc4? Good or bad? >>>>> >>>>> /S >>>> >>>>It seems to be a fortress but with the 2 white pawns there's possible winning >>>>combinations, look at the following game : >>>> >>>>7k/6p1/p4r2/5P2/4Q3/1K6/7P/8 b - - 0 7 >>>> >>>>[Event "?"] >>>>[Site "?"] >>>>[Date "????.??.??"] >>>>[Round "?"] >>>>[White "Nouvelle partie"] >>>>[Black "?"] >>>>[Result "*"] >>>>[SetUp "1"] >>>>[FEN "6k1/6p1/p2n4/5P2/2P5/1p6/3r3P/1K2Q3 b - - 0 1"] >>>>[PlyCount "38"] >>>> >>>>1... Nxc4 2. Qe6+ Kh8 3. Qc8+ Kh7 4. Qxc4 Rd6 5. Kb2 Rf6 6. Qe4 Kh8 7. Kxb3 Kg8 >>>>8. Kc4 Kh7 9. h4 Kg8 10. Kd4 a5 11. Ke5 Rh6 12. Qg4 Kh7 13. Kf4 a4 14. Kg5 a3 >>>>15. Qa4 Rd6 16. Qxa3 Rc6 17. Qd3 Rf6 18. h5 Kg8 19. Qc4+ Kh7 20. Qe6 * >>> >>> >>> What about keeping the a-pawn on a6 - and if then similar variations like >>> above - on Qc4+ - Kf8 (instead of Kh7). >>> >>> /S >> >>With Hiacs 10 and EGTB, after some learning I get mate score here >> >>[Event "?"] >>[Site "?"] >>[Date "????.??.??"] >>[Round "?"] >>[White "Nouvelle partie"] >>[Black "?"] >>[Result "*"] >>[SetUp "1"] >>[FEN "8/6pk/p4r2/5PKP/8/3Q4/8/8 b - - 0 18"] >>[PlyCount "3"] >> >>18... Kg8 19. Qc4+ Kf8 * >> >> >> >>5k2/6p1/p4r2/5PKP/2Q5/8/8/8 w - - 0 1 >> >>Analysis by Hiarcs 10: >> >>1. +- (#39): 20.Df4 Rg8 >>2. +- (#40): 20.Dc8+ Rf7 21.Db8 Th6 22.Da8 Tf6 > > > Very interesting. Could you give the whole mating variation? > > /S Here's the shortest mate i can find : [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "6k1/6p1/p4r2/5PKP/8/3Q4/8/8 w - - 0 0"] [PlyCount "55"] 1. Qd5+ Kf8 2. Qe5 Kf7 3. Qd4 Rh6 4. Qd7+ Kg8 5. Qe8+ Kh7 6. Qe6 a5 7. Qd5 a4 8. Qe4 Rf6 9. Qxa4 Rd6 10. Qe4 Kh8 11. Qe8+ Kh7 12. Qg6+ Rxg6+ 13. hxg6+ Kg8 14. Kf4 Kf8 15. Ke4 Ke8 16. Kd5 Ke7 17. Ke5 Kd7 18. f6 gxf6+ 19. Kxf6 Kd6 20. g7 Kd5 21. g8=Q+ Kd4 22. Qc8 Ke4 23. Qc3 Kd5 24. Qb4 Kc6 25. Ke6 Kc7 26. Qb5 Kc8 27. Kd6 Kd8 28. Qb8# 1-0
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