Author: Paul
Date: 07:38:06 04/17/01
Go up one level in this thread
On April 17, 2001 at 07:51:59, Heiner Marxen wrote: >On April 10, 2001 at 08:37:48, Paul wrote: > >>On April 10, 2001 at 07:25:57, leonid wrote: >> >>>Hello! >>> >>>If you would like to crush some mate, where solution is not that far but >>>resistance is visible, then you can solve this position: >>> >>>2Qr1bqN/R3P1Rq/1p1q1q2/1Q4qk/q2QQr1n/1Q4r1/3BNqbQ/1B1K4 w - - >>> >>>Please indicate your result. >>> >>>If your program is shareware, it will be handy if you will indicate address of >>>your program on the Web. >>> >>>Thanks, >>>Leonid. >> >>Hi guys! >> >>Phhfffeewww! PretzOld found a mate in 8 ... but for 8 moves it took a long time: >> >>01:14 WM8 07 e8=Q+ Rxe8 Nxg3+ Qxg3 Qcxe8+ Qff7 Qxf7+ Qxf7 Qxh7+ Qh6 Qxh6+ Kxh6 >>Rh7+ Qxh7 Rxh7# >> >>Another, slightly different line: e8=Q+ Rxe8 Nxf4+ Q2xf4 Qcxe8+ Qff7 Qxh7+ Qxh7 >>Rxh7+ Bh6 Qxf7+ Qg6 Bxg6+ Kg4 Qxg3# >> >>Here's a nice (normal ;)) mate in 10 in return for you from the German CSS forum >>... >> >>[D]2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - - >> >>Ciao, >>Paul > >Hi Paul, > >To find that "there is no mate in 7" Chest already needs already over 1300 secs, >with an effective branching factor over 10. Therefore I stop this one here. >The mate in 10 could need 1000 fold that time (for Chest). > >Heiner Ha! Gotcha! Ok, just kidding ofcourse ... this is a 'normal' Stellung, so easily solvable with a 'normal' program like Pretz, 2 seconds ... ;) Groetjes, Paul
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