Author: Olaf Jenkner
Date: 18:21:06 03/09/02
Go up one level in this thread
After 9,5 hours (PII 333MHz, 88 MB hash) Gustav says "no mate in 17". It is possible to reach mate in 19 with brute force By the way I detected a dual in the third move: 1.f7-e8S Bd4-d3 2.Se8-f6 Bg7-f6 3.Kf5-f4 Bf6-f5 4.Bg6-g7 Bf5-g4 5.g7-g8S Bg4-g3 6.Sg8-f6 Be7-f6 7.Be6-e7 Bf6-f5 8.Kf4-g5 Bf5-f4 9.e7-e8S Bf4-f3 10.Se8-d6 Bc7-d6 11.Bc6-c7 Bd6-d5 12.c7-c8S Bd5-d4 13.Sc8-b6 Ba7-b6 14.Ba6-a7 Bb6-b5 15.a7-a8S Bb5-b4 16.Sa8-b6 Bb4-b3 17.Sb6-c4 Bb3-b2 18.Sc4-e5 nebst 19.Se5-f3# ..................................................................................................................................................................................................................................................................... 17.Sb6-d7 Bb3-b2 18.Sd7-e5 nebst 19.Se5-f3# .................................................................................................................................................................................................................................................... 16.Sa8-c7 Bb4-b3 17.Sc7-b5 Bb3-b2 18.Sb5-d4 nebst 19.Sd4-f3# ..................................................................................................................................................................................................................................................................... 17.Sc7-e6 Bb3-b2 18.Se6-d4 nebst 19.Sd4-f3# .............................. 3.Bg4-g5 Bf6-g5 4.Bg6-g7 Bg5-g4 5.g7-g8S Bg4-g3 6.Sg8-f6 Be7-f6 7.Kf5-g6 Bf6-f5 8.Be6-e7 Bf5-f4 9.e7-e8S Bf4-f3 10.Se8-d6 Bc7-d6 11.Bc6-c7 Bd6-d5 12.c7-c8S Bd5-d4 13.Sc8-b6 Ba7-b6 14.Ba6-a7 Bb6-b5 15.a7-a8S Bb5-b4 16.Sa8-b6 Bb4-b3 17.Sb6-c4 Bb3-b2 18.Sc4-e5 nebst 19.Se5-f3# ..................................................................................................................................................................................................................................................................... 17.Sb6-d7 Bb3-b2 18.Sd7-e5 nebst 19.Se5-f3# .................................................................................................................................................................................................................................................... 16.Sa8-c7 Bb4-b3 17.Sc7-b5 Bb3-b2 18.Sb5-d4 nebst 19.Sd4-f3# ..................................................................................................................................................................................................................................................................... 17.Sc7-e6 Bb3-b2 18.Se6-d4 nebst 19.Sd4-f3# ...................................................................................................................................................................................................................................................................................... 18.Se6-g5 nebst 19.Sg5-f3# .............. 2....... Be7-f6 3.Kf5-f4 Bf6-f5 4.Be6-e7 Bf5-g4 5.e7-e8S Bg4-g3 6.Se8-d6 Bc7-d6 7.Bc6-c7 Bd6-d5 8.c7-c8S Bd5-d4 9.Sc8-b6 Ba7-b6 10.Ba6-a7 Bb6-b5 11.a7-a8D Bb5-b4 12.Da8-f3 Bb4-b3 13.Df3-g3 Bb3-b2 14.Kf4-f3 nebst 15.Dg3-f2# OJe
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