Author: Vincent Lejeune
Date: 12:06:06 02/07/00
3 hard positions, if you want to torture your favourite chessengine for long minutes ... White to play and win!, The keymove is unique for each one. N°1 will cause serious problem for nullmover Solution below ... Good work ! ;) [D] 2k1r3/3q4/8/8/8/8/5RK1/6Q1 w - - [D] 8/8/1P3P2/8/8/8/8/b2nk2K w - - [D] 7Q/3k2p1/6p1/8/1K2Np2/8/8/5q2 w - - [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "1"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "2k1r3/3q4/8/8/8/8/5RK1/6Q1 w - - 0 10"] [PlyCount "21"] 10. Rc2+ Kb8 11. Rb2+ Ka8 12. Qa1+ Qa7 13. Qh1 $3 Rb8 14. Kh2+ Rb7 15. Qd5 Qb8+ 16. Kg2 Qc7 17. Ra2+ Kb8 18. Qg8+ Qc8 19. Ra8+ Kxa8 20. Qxc8+ * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "2"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "8/8/1P3P2/8/8/8/8/b2nk2K w - - 0 1"] [PlyCount "10"] 1. f7 Kf1 2. Kh2 Nf2 3. Kg3 Ne4+ 4. Kf4 Nc5 5. b7 Nd7 * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "3"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "7Q/3k2p1/6p1/8/1K2Np2/8/8/5q2 w - - 0 1"] [PlyCount "35"] 1. Nc5+ Kd6 2. Qb8+ Kd5 3. Qg8+ Kd4 4. Qe6 Qh1 5. Qd6+ Ke3 6. Qe5+ Kf2 7. Nd3+ Kg2 8. Nxf4+ Kg3 9. Qg5+ Kf2 10. Qc5+ Kg3 11. Ne2+ Kg4 12. Qd4+ Kh3 13. Qe3+ Kg2 14. Nf4+ Kf1 15. Qe2+ Kg1 16. Qe1+ Kh2 17. Qf2+ Qg2 18. Qxg2# *
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.