Author: Mihaly Szalai
Date: 13:46:43 09/05/04
Go up one level in this thread
On September 05, 2004 at 15:08:59, John Merlino wrote: >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 I played 30. Nf5 in cca. 1 min. and podering was on but I don't remember whether PD was short on time... Mihaly
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