Author: Brian Katz
Date: 08:26:46 12/05/02
Go up one level in this thread
On December 05, 2002 at 10:38:48, Brian Katz wrote: >On December 05, 2002 at 00:38:18, Eduard Nemeth wrote: > >>The WM-Test position (Gurevich-HJS in CSS) Nr. 55 is this: >> >>[D]5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KBN2/7P/8 w - - 0 0 >> >>Fritz 8 have find here the nice win move 1. Nxg5!! after few minutes only! >> >>But Today I read in CSS, and what I must seen? >>A very interesting another position! >> >>THE NEW TEST POSITION: >> >>[D]5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KB2N/7P/8 w - - 0 1 >> >>Analysis by Fritz 8 (128 MB für hashtabellen): >> >>1.Kc2 Sc6 2.Kd3 Sb8 3.Sxg5 hxg5 4.Lxg5 Sc6 5.h4 Sa5 6.Kc2 >>= (0.00) Tiefe: 17/38 00:00:15 8893kN >>1.Kc2 Sc6 2.Kd3 Sb8 3.Sxg5 hxg5 4.Lxg5 Sc6 5.h4 Sa5 6.Kc2 >>= (0.00) Tiefe: 18/40 00:00:27 15870kN >>1.Kc2 Sc6 2.Kd3 Sb8 3.Sxg5 hxg5 4.Lxg5 Sc6 5.h4 Sa5 6.Kc2 >>= (0.00) Tiefe: 19/41 00:00:47 27678kN >>1.Kc2 Sc6 2.Kd3 Sa5 >>= (0.00) Tiefe: 20/44 00:01:45 65081kN >>1.Kc2 Sc6 2.Kd3 Sa5 >>= (0.00) Tiefe: 21/44 00:02:57 110426kN >>1.Kc2 Sc6 2.Kd3 Sa5 >>= (0.00) Tiefe: 22/46 00:05:55 218095kN >>1.Kc2 Sc6 2.Kd3 Sa5 >>= (0.00) Tiefe: 23/52 00:12:03 459396kN >> >>:-)) >> >>"The motiv with Nxg5!! is egual" in both positions! >> >>But in the new position Fritz 8 never can find the nice move 1. Nxg5 ! >> >>Hopla! :-)) >> >>Can Your program find this move 1. Nxg5 in the “new position”? >> >>Here a analyes by Ruffian 1.0.1: >> >> >>Engine: Ruffian 1.0.1 >>von Perola Valfridsson >> >>15.01 0:01 -0.71 1.Kc2 Sc6 2.Kd3 Sb8 3.Sg1 Sxa6 4.Sf3 Sc7 5.Lc1 a6 6.h3 Sb5 >>7.Ld2 Kc6 8.Le3 (790.534) 422.7 >> 16.01 0:04 -0.66 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >>Sb8 7.Ke3 Sc6 8.h3 a6 (1.705.226) 425.2 >> 17.01 0:11 -0.71 1.Kc2 Sc6 2.Sf2 Kc7 3.h3 Kb6 4.Se4 Kxa6 5.Sd6 Lxd6 6.exd6 >>Sb8 7.Kd3 Kb5 8.Ld2 Sd7 9.Le3 Sxf6 (4.917.537) 421.0 >> 18.01 0:25 -0.69 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >>Sc7 7.Ke3 a5 8.Sb2 Kc6 9.Sd3 Sb5 (10.826.667) 422.5 >> 19.01 0:42 -0.66 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >>Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 (17.914.602) 419.2 >> 20.01 1:09 -0.72 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >>Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 a6 (28.943.436) 417.6 >> 21.01 2:29 -0.72 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >>Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 a6 11.Le3 (61.176.673) 408.9 >> 22.01 4:36 -0.72 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >>Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 a6 11.Le3 Kd7 (112.167.163) 405.7 >> 22.11 60:39 -0.37++ 1.Sxg5 (1.363.634.315) 374.6 >> >>Ruffian find it on my PC after 60 Minutes on P600. Hard! >> >>Eduard > >Hello Ed >I set the 1st position up for the Deep Fritz 7 engine run on a single processor, >AMD Athlon 2600+ set at 512 MB Hashtable, infinite analysis, and it placed >1.Nxg5... at the top of it's search list in less than 5 minutes with a dead even >evaluation. =0.00 and still keeps that evaluation after 30 minutes. >If I find that it finally sees the win I will let you know. >After 1 hour I will stop for now and go onto position 2.New game >5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KBN2/7P/8 w - - 0 1 > >Analysis by Deep Fritz 7: > >1. = (0.00): 1.Nxg5 hxg5 2.Bxg5 Nxb3 3.h4 Na1 4.Bc1 Nb3 5.Bg5 >2. = (0.00): 1.Kc2 Nc6 2.Kd3 Na5 3.Kc2 >3. = (0.00): 1.Nd2 Nc6 2.Nf3 Na5 3.Kc2 Nc6 4.Kd3 >4. = (-0.12): 1.h4 gxh4 2.Kc2 h3 3.Bf4 Nc6 4.Kd3 Nb8 5.Ng1 h2 6.Bxh2 Nxa6 7.Nf3 >Nc7 8.Bf4 Nb5 >5. = (-0.22): 1.Bxg5 hxg5 2.Nxg5 Ke8 3.Nf3 Nxb3 4.Kc2 Na5 5.h4 Nc4 6.g5 Ne3+ >7.Kb3 Ng2 8.h5 Nf4 9.h6 Ng6 10.h7 Kd7 > >(, MyTown 05.12.2002) > > >Regards >Brian Katz Here are some interesting results for Position #2 All specs the same as for #1 In 3 sec DF7 found Nxg5 with 3 seconds -0.97 16 seconds -0.66 30 seconds -0.56 2 minutes -0.22 3 minutes 40 seconds =0.00 Deep Fritz 8 fails to find a win from this position, but does find it as equal. New game 5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KB2N/7P/8 w - - 0 1 Analysis by Deep Fritz 7: 1. = (0.00): 1.Kc2 Nc6 2.Kd3 Ke8 3.Nxg5 hxg5 4.Bxg5 Na5 5.Kc2 2. = (0.00): 1.Nxg5 hxg5 2.Bxg5 Nxb3 3.h4 Na5 4.h5 Nc4 5.Kc2 Na5 6.Kd3 3. ³ (-0.31): 1.Bxg5 hxg5 2.Nxg5 Ke8 3.h4 Nxb3 4.Nf3 Nc1+ 5.Kd2 Na2 6.Kc2 Nc3 7.g5 Ne2 8.h5 Nf4 9.h6 Ng6 10.Kb3 Kd7 4. µ (-0.91): 1.Ng1 Nxb3 2.Nf3 Na5 3.Bd2 Nc4 4.Kc2 Kc6 5.h3 Kb5 6.Bxg5 hxg5 7.Nxg5 Bc5 8.Kd3 5. µ (-1.19): 1.Kd2 Nxb3+ 2.Kc2 Na5 3.Bc1 Nc6 4.Be3 Kc7 5.Kb3 Kb6 6.Ka4 Kxa6 7.Nf2 Na5 8.Bd2 b3 9.Bc3 Nc4 (, MyTown 05.12.2002) Regards Brian Katz
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