Author: Djordje Vidanovic
Date: 14:50:32 12/22/99
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On December 22, 1999 at 14:10:56, Dann Corbit wrote: >Have a look at this tremendous checkmate Chest found from the famous 1924 New >York Chess Club championship: >2r3k1/5ppp/7r/Q7/3P1p2/1N3Pnq/PP3K1P/R5R1 b - - acd 10; acn 535351375; acs >15279; bm Ne4+; ce 32750; dm 9; id "C.A.P. 812153"; pv Ne4+ fxe4 Qe3+ Kf1 Rxh2 >Rxg7+ Kxg7 Qe5+ f6 Qe7+ Kg6 Qxf6+ Kxf6 e5+ Kg6 e6 Qf2#; > >I will be amazed if any general purpose program (or even most GM's) can find it. Another super fast mate in 10: Chessmaster 7000 comes up with -9.90 (mate in 10) after only 15 seconds. I wish I had the Tasc 2.1 CD handy (at a friend's place), I am almost sure that its time would be unbeatable. What's this about mate in 9 then? All the progs see the same first five or six plys as Chest. The divergence is only later, with Nd2. I can see how Zarkov's line differs, but then Zarkov did not see the mate in 9, it only found a mate in 13, or something like that (99.70 :)): Zarkov 4.30 PV: Ne4+ fxe4 Qe3+ Kf1 Qf3+ Ke1 Rxh2 Rxg7+ Kxg7 Qe5+ f6 Qe7+ Kg6 Nd2 Rh1+ Nf1 Rxf1+ Kd2 Rxa1 Qxf6+ Djordje
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