Author: Gareth McCaughan
Date: 01:57:22 10/07/01
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Slater Wold wrote: > Here is a position from a game I played recently. > > How long does it take other engines to get this move? > > [D]8/1kbQ2NK/4p2p/8/1p1p1P2/8/4q3/8 w - - 0 1 > > Solution is Qxd4! and the game draws. Crafty 18.11, Athlon 1GHz, takes about 15 1/2 hours to switch from Nxe6 to Qxd4. It doesn't think it's drawing (eval is about -2.6). At the moment (nearly 60 hours in) it's working on ply 20 and doesn't have an eval or a PV yet. The PV at the end of ply 19 is: 1. Qxd4 Qc2+ 2. Kxh6 b3 3. Nxe6 b2 4. Nc5+ Kc6 5. Qd7+ Kb6 6. Na4+ Qxa4 7. Qxa4 b1=Q 8. Qd4+ Kc6 9. Qc4+ Kd6 10. Qd4+ Ke6 11. Qc4+ Kd7 12. Qf7+ Kc8 13. Qg8+ Bd8 14. Qe6+ Kc7 15. Qe5+ Kd7 16. Qd5+ Ke7 17. f5 (gosh! 33 ply.) Crafty is alleged to be good at endgames, but if you're right that Qxd4 draws then it could clearly do with some improving... -- g
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