Author: Drexel,Michael
Date: 10:42:58 05/15/03
Go up one level in this thread
On May 15, 2003 at 13:17:09, John Merlino wrote: >On May 15, 2003 at 12:36:35, F. Huber wrote: > >>On May 15, 2003 at 10:14:59, Art Basham wrote: >> >>>White wins with 1. Ng6+...etc. >>> >>>[D]1n6/8/8/R3Np1K/1N3k2/1R6/1P5P/3n4 w - - 0 1 >>> >>>any programs ann. mate at move one? >>>This is difficult for my engines to see... >> >>ChestUCI Ver.2.5: >> >>Search for Mate in 12 ... >>Mate in 5 found ! (1 Solution in 00:04) >>D5 00:04 M5 Nc4 Na6 Rg3 Nxb4 Nd2 Nd5 Rxd5 Nxb2 Rf3 >> >>Regards, >>Franz. > >You must have done something wrong with Chest, as Nc4 is a mate in 6, according >to CM9000. Actually, there are SIX moves that lead to mate in 6 -- Nf3, Rh3, >Rg3, Nc2, Nf7 and Nc4. > >Additionally, CM9000 says that Ng6 is a mate in 11 (or possibly better): > >1.Ng6+ Ke4 2.Re5+ Kd4 3.Nc2+ Kc4 4.Rb4+ Kd3 5.Nd4 Nc3 6.Nf4+ Kd2 7.Nf3+ Kc1 >8.Rc5 Kb1 9.Rxc3 Ka2 10.Nd2 Nd7 11.Ra3# > >jm John, do you know why Chessmaster has problems to find the mate in 5? Here is the answer: 1.Nc4!! Nd7 2.Re5!! Nxe5 3.Re3!! Nxe3 4.Nd2! [D] 8/8/8/4np1K/1N3k2/4n3/1P1N3P/8 b - - 0 4 Zugzwang
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