Author: Vincent Lejeune
Date: 13:32:59 08/31/05
Go up one level in this thread
On August 31, 2005 at 11:54:28, Uri Blass wrote: >On August 31, 2005 at 11:18:30, Joachim Rang wrote: > >>On August 31, 2005 at 08:44:31, Shaley wrote: >> >>>This position tends to be a hard nut to crack for for my engines (ProDEo 1.1, >>>Fruit 2.1, Zappa 1.1, Hiarcs 9, Fritz 8, Shredder 9). >>>van Veli - Shirov (Beograd, 1999) 44.Nb5 Bc5 45.Nxa7! = >>>[D]8/p7/3b1k2/3P4/3N4/6p1/P5P1/7K w - - 0 44 >> >>I suppose 44.Nb3 draws also. How can black win after 44.Nb3 (1. Nb3 Ke5 2. Kg1 >>Kxd5 3. Kf1 Kc4 4. Ke2 Kc3 5. Nd2 Be5 6. Ne4+ Kb2 7. Kd3 Kxa2 8. Kc4 =)? >> >>regards Joachim >> >>P.S.: That's the difference between human chess and computer chess. Computers >>play not neessarily the way humans understand but they play nevertheless the >>strongest moves. ;-) > >No > >Here is position from correspondence game from site that was already posted by >Shaley. > >I wonder if some engine can find the strongest move here > >[D]8/4B2p/6p1/6P1/5p1k/p7/2K2P2/3b4 w - - 0 1 > >Uri Some lines, Kb1 seems draw and Kxd1 seems losing [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Opp Bishops endgame"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "8/4B2p/6p1/6P1/5p1k/p7/2K2P2/3b4 w - - 0 1"] [PlyCount "41"] 1. Kb1 (1. Kxd1 a2 2. Bf6 Kg4 (2... a1=Q+ 3. Bxa1 Kxg5 4. Bb2 Kf5 5. Ke2 g5 6. Kf3 h5 7. Kg2 g4 8. Bg7 h4 9. f3 h3+ 10. Kh2 gxf3 11. Kxh3 Ke4 12. Bf8 Ke3 13. Bc5+ Ke2 14. Kg4) 3. Kc2 (3. Ke2 Kf5 4. Kf1 (4. Kf3 h6) (4. Bg7 Kxg5 5. f3 h5 6. Bd4 Kf5 7. Kf2 g5 8. Kg2 g4) 4... h6 5. Kg2 hxg5) 3... Kf5 4. Kd1 (4. Kd2 h6 5. Kd3 hxg5 6. Bd4 g4 7. Ke2 f3+ 8. Kf1) (4. Kd3 h6) (4. Kb2 h5) 4... h6 5. Ke2 hxg5) 1... Bb3 2. Ka1 a2 3. Kb2 Bd5 4. Ka1 Kh5 5. Kb2 h6 6. gxh6 Kxh6 7. Bd6 Kg5 8. Be7+ Kf5 9. Bd8 g5 10. Ba5 Ke4 11. Bc7 Kf3 12. Bb6 Kg2 13. Bd4 f3 14. Be3 g4 15. Ka1 g3 16. fxg3 Kxg3 17. Kb2 Kg2 18. Bc5 Kf1 19. Bd4 Be6 20. Be3 Ke2 21. Bd4 *
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