Author: jonathan Baxter
Date: 19:53:03 11/11/98
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On November 11, 1998 at 16:38:14, Bruce Moreland wrote: > >On November 11, 1998 at 14:28:13, Ed Schröder wrote: > >>On a PII-266: 0:19 for Rxg7 and a mate announce after 0:50 with standard >>settings. I assume the 2:34 is in case "combination" is set to "off". >> >>Analysis... >> >>1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+ Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+ >>Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+ Kh4 10. Kf2 Qc5+ 11. Kg2 Qg1+ 12. >>Kxg1 a4 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2# >> >>Biggest problem for computers the "quiet move" 10. Kf2 > >I'm a little slower. On a P2/300 mine finds the mate in 15 in 1:07, Rxg7+ found >in 0:28. > Just to see how easy the move is to find: I tried setting all eval except material to 0 in my program. On a PII400 it finds Rxg7+ in 1:49 and sticks with it (took 15 mins to find the mate but I don't have any special mating extensions). Jon
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