Author: Heiner Marxen
Date: 16:21:19 04/06/01
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On April 06, 2001 at 06:47:35, Paul wrote: >On April 06, 2001 at 05:16:39, leonid wrote: > >>Hi! >> >>If you like to sove one easy mate, you can try this: >> >>[D]NK2Q3/1B4Q1/3Q2PB/1N3Q1q/1bQ4n/2nqqq1b/rQ2q1Qr/R1rqkqrR w - - >> >>I remember that when this position was created around one month ago, I found >>that it is mate for black and whites. >> >>Please indicate your results for both colors. >> >>Thanks, >>Leonid. > >Hi Leonid! > >Although I haven't been able to work on my program for the last couple of >months, just for the record this is what the "old" Pretz says: > >White to move: 01:17 WM10 08 Qgxc3+ Bxc3 Qcxc3+ Rxc3 Qxc3+ Rd2 Rxd1+ Qxd1 Qxe3+ >Qfxe3 Qfxf1+ Rxf1 Rxf1+ Qxf1 Qxe3+ Re2 Qxd1+ Kxd1 Qc1#, so a mate in 10. Chest confirms this insofar, as there is no mate in 9 (K7/600 350MB, 47.4 min). >Black to move: 00:01 BM7 05 Qxd6+ Qgc7 Qxe8+ Qc8 Qxc8+ Bxc8 Rxa8+ Rxa8 Qxb5+ >Qxb5 Qxc7+ Kxc7 Qd6#, so a mate in 7. Chest confirms the above PV in 67 seconds. Old Pretz appears to be the Old Surehand of mate problems! Heiner >Salut! >Paul
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