Author: Joe Pechie
Date: 19:35:21 04/01/02
Go up one level in this thread
On April 01, 2002 at 17:51:15, Ed Schröder wrote: >[d]8/7N/1k2pp2/3P4/8/8/2r5/5K1R w - - 0 1 > >Solution: > >1. dxe6 Rc1+ 2. Kf2 Rxh1 3. e7 Rh2+ 4. Kf3 Rh3+ 5. Kf4 Rh4+ 6. Kf5 Rh5+ >7. Kxf6 Rh6+ 8. Kf5 Rh5+ 9. Kf4 Rh4+ 10. Kf3 Rh3+ 11. Ke2 Rh2+ 12. Kd3 >Rh3+ 13. Kd4 Rh4+ 14. Kd5 Rh5+ 15. Kd6 Rh6+ 16. Nf6 Rxf6+ 17. Kd5 Rf5+ >18. Kd4 Rf4+ 19. Ke3 Rf1 20. Ke2 1-0 > >1.dxe6 is easy, I assume every chess program will find it instantly. > >Difficult to find is 2.Kf2!! > >And that's the hard challenge for your favorite engine. > >Ed Not to hard for Tiger 14 [+2.20] d=12 2.Kf2 (0:00.00) [+1.42] d=13 2.Kf2 Rxh1 3.e7 Rh2 4.Kf3 Rh3 5.Kf4 Rh4 6.Kf5 Rh5 7.Kxf6 Rh6 8.Ke5 Rh5 9.Kd6 Rh2 10.Nf6 Re2 (0:00.00) [+2.32] d=14 2.Kf2 (0:00.01) [+1.80] d=15 2.Kf2 Rxh1 3.e7 Rh2 4.Kf3 Rh3 5.Kf4 Rh4 6.Kf5 Rh5 7.Kxf6 Rh6 8.Ke5 Rh5 9.Kd6 Rh2 10.Nf6 Re2 (0:00.02) [+2.70] d=16 2.Kf2 (0:00.02) [+4.64] d=16 2.Kf2 Rxh1 3.e7 Rh2 4.Kf3 Rh3 5.Kf4 Rh4 6.Kf5 Rh5 7.Kxf6 Rh6 8.Ke5 Rh2 9.Nf6 Rh8 10.Kd5 Ka5 (0:00.10) [+4.64] d=17 2.Kf2 Rxh1 3.e7 Rh2 (0:00.14) [+4.08] d=18 2.Kf2 Rxh1 3.e7 Rh2 4.Kf3 Rh3 5.Kf4 Rh4 6.Kf5 Rh5 7.Kxf6 Rh6 8.Ke5 Rh2 9.Nf6 Rh8 10.Kd6 Kb5 (0:00.21) Joe
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