Author: John Merlino
Date: 12:08:59 09/05/04
Go up one level in this thread
On September 05, 2004 at 15:03:04, Mihaly Szalai wrote: >On September 05, 2004 at 13:54:33, John Merlino wrote: > >>On September 05, 2004 at 11:18:44, Mihaly Szalai wrote: >> > >>>[D]r4rk1/5pP1/1n1p4/1pqPpNb1/p5p1/P1P2P2/8/1KBnQ2R b - - 0 30 >>> >>>When I moved 30. Nf5, Pro Deo played 30...Bh4 INSTANTLY! >>>Had it seen that all moves loses and chose a quick end?? >>>I cannot believe it. >> >>Believe it -- the great mate finder, The King, says that it is true. 29...Nxd1 >>leads to a Mate in 15 (or better) starting with 30.Nf5, and it only takes The >>King 10 seconds to say so. This is on a P4-2.4: >> >>Time Depth Score Positions Moves >>0:00 1/3 -3.48 2173 30.gxf8=Q+ Rxf8 31.Nxd1 Bxc1 32.Kxc1 >> Qxa3+ 33.Nb2 Nxd5 34.fxg4 >>0:00 1/3 -2.15 12809 30.Nf5 f6 31.gxf8=Q+ Kxf8 32.Qxd1 >> Bxc1 33.Qxc1 gxf3 34.Rh8+ Kf7 >>0:00 1/4 -1.87 22066 30.Nf5 f6 31.Rh8+ Kf7 32.gxf8=Q+ >> Rxf8 33.Rh7+ Ke8 34.Qxd1 Bxc1 35.Qxc1 >> Nxd5 >>0:00 1/5 -1.72 96775 30.Nf5 Nxc3+ 31.Qxc3 f6 32.Rh8+ >> Kf7 33.gxf8=Q+ Rxf8 34.Rh7+ Kg8 >> 35.Rg7+ Kh8 36.Qxc5 dxc5 37.Bxg5 >> fxg5 >>0:01 1/6 0.00 280995 30.Nf5 Nxc3+ 31.Ka1 f6 32.Rh8+ >> Kf7 33.gxf8=Q+ Rxf8 34.Rh7+ Kg6 >> 35.Qh1 Ncxd5 36.Qh5+ Kxf5 37.Qxg4+ >> Kg6 38.Qh5+ Kf5 39.Qg4+ >>0:10 1/7 Mate15 2029987 30.Nf5 Nxc3+ 31.Ka1 f6 32.Rh8+ >> Kf7 33.Rxf8+ Rxf8 34.Qh1 Ncxd5 >> 35.Qh5+ Kg8 36.Qh8+ Kf7 37.gxf8=Q+ >> Ke6 38.Qe8+ Ne7 39.Qxe7+ Kd5 40.Qf7+ >> Kc6 41.Qhe8+ Nd7 42.Qexd7+ Kb6 >> 43.Qa7+ Kc6 44.Ne7# >>0:12 1/8 Mate14 2611709 30.Nf5 Nxc3+ 31.Ka1 f6 32.Rh8+ >> Kf7 33.Rxf8+ Rxf8 34.Qh1 Ncxd5 >> 35.Qh5+ Kg8 36.Qh8+ Kf7 37.gxf8=Q+ >> Ke6 38.Ng7+ Kd7 39.Qe8+ Kc7 40.Qb8+ >> Kc6 41.Qhe8+ Nd7 42.Qec8+ Nc7 43.Qcb7# >> >>0:19 1/9 Mate13 4289554 30.Nf5 Nxc3+ 31.Ka1 f6 32.Rh8+ >> Kf7 33.Rxf8+ Rxf8 34.Qh1 Ncxd5 >> 35.Qh5+ Kg8 36.Qh8+ Kf7 37.gxf8=Q+ >> Ke6 38.Qe8+ Ne7 39.Qhg8+ Kxf5 40.Qh7+ >> Ke6 41.Qexe7+ Kd5 42.Qe4# >>0:36 2/10 Mate13 8365367 30.Nf5 Nxc3+ 31.Ka1 f6 32.Rh8+ >> Kf7 33.Rxf8+ Rxf8 34.Qh1 Ncxd5 >> 35.Qh5+ Kg8 36.Qh8+ Kf7 37.gxf8=Q+ >> Ke6 38.Qe8+ Ne7 39.Qhg8+ Kxf5 40.Qh7+ >> Ke6 41.Qexe7+ Kd5 42.Qe4# >> >>But 30...Bh4 is far worse than 30...Nxc3+. The first move leads to a Mate in 5 >>(as you found), but the latter makes you have to find 31.Ka1! (which you did in >>your analysis below), because 31.Kb2 would lose. Although I suspect that you >>would have found it OTB -- you're obviously pretty good! >> >>>30... Nxc3+ 31. Ka1 f6 32. Rh8+ Kf7 33. Rxf8+ Rxf8 34. Qh1 is too deep. >>> >>>Cheers >>>Mihaly >> >>Great game! >> >>jm > >Thank you John. >The King is as amazing as ever. >However I still don't understand why played PD 30...Bh4 instantly. >Here is the analysis of Pro Deo with Eduard's settings: >8 and a half minutes! > >30...Bxc1 31.Rh8# > # (#0) Depth: 1 00:00:00 >30...Nxc3+ 31.Ka1 > -+ (-8.28) Depth: 1 00:00:00 >30...Nxc3+ 31.Ka1 > -+ (-8.28) Depth: 2 00:00:00 >30...Nxc3+ 31.Ka1 Bh4 32.gxf8Q+ Kxf8 33.Qxh4 gxf3 > -+ (-3.73) Depth: 3 00:00:01 >30...Nxc3+ 31.Qxc3 Bh4 32.gxf8Q+ Rxf8 > -+ (-1.81) Depth: 4 00:00:01 >30...Bh4 31.gxf8Q+ Rxf8 32.Qxd1 Nxd5 > -+ (-2.24) Depth: 4 00:00:01 >30...Bh4 31.gxf8Q+ > -+ (-2.24) Depth: 5 00:00:01 >30...Bh4 31.gxf8Q+ > -+ (-2.24) Depth: 6 00:00:01 86kN >30...Bh4 31.gxf8Q+ Rxf8 32.Qxd1 > -+ (-2.24) Depth: 7 00:00:01 193kN >30...Bh4 31.gxf8Q+ > -+ (-2.24) Depth: 8 00:00:03 380kN >30...Bh4 31.Qxh4 Nxc3+ 32.Ka1 f6 33.gxf8Q+ Kxf8 > +- (#4) Depth: 9 00:00:07 2093kN >30...Nxc3+ 31.Qxc3 f6 32.gxf8Q+ Rxf8 33.Qb2 Nxd5 > -+ (-1.74) Depth: 9 00:00:22 9719kN >30...Nxc3+ 31.Qxc3 f6 32.gxf8Q+ Kxf8 33.Qd3 Bxc1 > = (0.00) Depth: 10 00:00:31 13920kN >30...Nxc3+ 31.Qxc3 f6 32.gxf8Q+ Kxf8 33.Qd3 Bxc1 > = (0.00) Depth: 11 00:01:08 29932kN >30...Nxc3+ 31.Ka1 f6 32.Rh8+ Kf7 33.Rxf8+ Rxf8 34.Qh1 Ncxd5 35.Qh5+ Kg8 36.Qh8+ >Kf7 37.Qg8+ > +- (#13) Depth: 12 00:08:31 250135kN > >(Szalai, Celeron 1.7 GHz 05.09.2004) How long did it take you to play 30.Nf5? Were you playing with pondering on? How much time was left on PD's clock at that point? Answering these questions might help explain PD's strange move. jm
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