Author: Vincent Diepeveen
Date: 11:05:05 11/10/01
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On November 09, 2001 at 15:57:45, Uri Blass wrote: >I decided that it is not nice to have too many posts so I will delete the other >2 posts of me when I replied to my message because this post include them >Sorry for posting too fast >Yace finished iteration 14 yo you only want material only. so i have shut off diep's eval. don't compare this to other diep versions please nor the material only searcher that got 30 to 40 ply. this thing is using diep'sm ove ordering, data structure and even other stuff like internal evaluations to order moves, but it doesn't consider other things than material for the leaf evaluations! first a test how tactical strong it is (P3-800) after 1.e4,e5 2.nf3,nc6 3.bc4,nd4: 00:00 0 0 3 (0) 1 1.000 Nf3xe5 00:00 0 0 89 (0) 2 1.000 Nf3xe5 f7-f6 00:00 0 0 1280 (0) 3 1.000 Nf3xe5 Ng8-h6 O-O 00:00 0 0 2853 (0) 4 1.000 Nf3xe5 Ng8-h6 O-O Qd8-h4 00:00 0 0 7036 (0) 5 1.000 Nf3xe5 Ng8-h6 O-O Qd8-h4 c2-c3 00:00 0 0 30064 (0) 6 -1.625 Nf3xe5 Qd8-g5 Bc4xf7 Ke8-e7 O-O Qg5xe5 Bf7-d5 ++ f3-d4 00:00 0 0 35811 (0) 6 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 00:00 19 0 53516 (0) 7 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 00:01 90 0 117567 (0) 8 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 Rh8-g 8 00:02 247 0 287688 (0) 9 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 Rh8- g8 e4-e5 00:04 1004 0 640841 (0) 10 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 Rh 8-g8 e4-e5 c7-c6 00:08 2368 0 1176325 (0) 11 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 R h8-g8 e4-e5 c7-c6 h2-h3 00:15 5682 0 2376387 (0) 12 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 R h8-g8 e4-e5 c7-c6 h2-h3 Rg8-h8 00:34 12010 0 5048713 (0) 13 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 Rh8-g8 e4-e5 c7-c6 h2-h3 Rg8-h8 f2-f3 01:29 28273 0 12921930 (0) 14 0.000 Nf3xd4 e5xd4 O-O Qd8-h4 Rf1-e1 Ng8-h6 Re1-e2 Rh8-g8 e4-e5 c7-c6 h2-h3 Rg8-h8 f2-f3 Rh8-g8 you see it plays very active moves whereas passive moves would give huge depth soon as everywhere you can nullmove. >Luba kristol - Uri blass >[D]2rr2k1/5pp1/1q2p2p/2b1n3/p2NP1P1/Pp2B2P/1PPRQ3/K2R4 w - - 0 1 Now you want to know whether you lose a pawn, not considering positional compensation. Well here we go... 00:00 0 0 4 (0) 1 0.000 c2xb3 a4xb3 00:00 0 0 174 (0) 2 0.000 c2xb3 a4xb3 00:00 0 0 1070 (0) 3 0.000 c2xb3 a4xb3 Rd1-e1 00:00 0 0 2858 (0) 4 0.000 c2xb3 a4xb3 a3-a4 Rd8-d7 00:00 0 0 17745 (0) 5 0.000 c2xb3 a4xb3 Be3-f2 Rd8-d7 Rd1-e1 00:00 0 0 29375 (0) 6 0.000 c2xb3 a4xb3 Be3-f2 Rd8-d7 a3-a4 Rd7-d8 00:00 44 0 62020 (0) 7 0.000 c2xb3 a4xb3 Be3-f2 Rd8-d7 Bf2-e3 Rd7-d8 00:01 93 0 199037 (0) 8 0.000 c2xb3 a4xb3 Qe2-f1 Rd8-d7 Be3-f2 Rd7-d8 Bf2-e3 00:02 531 0 345241 (0) 9 0.000 c2xb3 a4xb3 Qe2-f1 Rd8-d7 Be3-f2 Rd7-d8 Bf2-e3 00:05 1473 0 815885 (0) 10 0.000 c2xb3 a4xb3 Qe2-f1 Rd8-d7 Be3-f2 Rd7-d8 Bf2-e3 00:26 4915 0 3810900 (0) 11 0.000 c2xb3 a4xb3 Ka1-b1 Rd8-d7 Be3-f4 Ne5-c6 Nd4xc6 Rd7xd2 Qe2xd2 Rc8xc6 Rd1-e1 00:51 11459 0 7405054 (0) 12 0.000 c2xb3 a4xb3 Ka1-b1 Rd8-d7 Be3-f4 Ne5-c6 Nd4xc 6 Rd7xd2 Qe2xd2 Rc8xc6 Rd1-e1 f7-f6 01:43 28897 0 14537043 (0) 13 0.000 c2xb3 a4xb3 Ka1-b1 Rd8-d7 Be3-f4 Ne5-c6 Nd4x c6 Rd7xd2 Qe2xd2 Rc8xc6 Rd1-e1 f7-f6 h3-h4 03:41 70962 0 31926007 (0) 14 0.000 c2xb3 a4xb3 Ka1-b1 Rd8-d7 Be3-f4 Ne5-c6 Nd4x c6 Rd7xd2 Qe2xd2 Rc8xc6 Rd1-e1 f7-f6 h3-h4 e6-e5 08:32 167667 0 72687670 (0) 15 0.000 c2xb3 a4xb3 Ka1-b1 Rd8-d7 Be3-f4 Ne5-c6 Nd4 xc6 Rd7xd2 Qe2xd2 Rc8xc6 Rd1-e1 f7-f6 h3-h4 e6-e5 Bf4-g3 30:44 516320 0 250854746 (0) 16 -1.000 c2xb3 a4xb3 Ka1-b1 Rd8-d7 Be3-f4 Rd7xd4 B f4xe5 Rd4xd2 Qe2xd2 Qb6-c6 Rd1-e1 Bc5-b4 Be5-c3 Bb4xc3 b2xc3 Qc6xc3 ++ c2-c3 [still researching after hours] Note that a material only program is completely insane to use in a corr game, because perhaps white has excellent compensation when losing the pawn. Well material only that's what you asked for :) Now if i run the normal diep here i get c3 pretty soon but it is -0.627 in score at 14 ply after an hour of search. >Analysis by Yace 0.99.56: > >25.cxb3 axb3 26.Qf1 Ra8 > -+ (-1.77) Depth: 1 00:00:00 >25.Nb5 Rxd2 26.Bxd2 bxc2 > -+ (-1.68) Depth: 1 00:00:00 >25.Nf3 Rxd2 26.Bxd2 bxc2 > -+ (-1.67) Depth: 1 00:00:00 >25.c4 > µ (-1.05) Depth: 1 00:00:00 >25.c4 Kh7 > µ (-1.05) Depth: 2 00:00:00 >25.c4 Kh7 > µ (-1.05) Depth: 3 00:00:00 >25.c4 Kh7 > µ (-1.05) Depth: 4 00:00:00 >25.c4 Kh7 > µ (-1.05) Depth: 5 00:00:00 12kN >25.c4 Kh7 > µ (-1.05) Depth: 7 00:00:00 173kN >25.c4 Bxa3 26.Nf3 Bxb2+ 27.Kxb2 Rxd2+ 28.Nxd2 Qb4 29.Kb1 a3 30.Bd4 Nxc4 31.Nf3 > µ (-1.09) Depth: 11 00:01:26 29290kN >25.c4 Bxa3 26.Nf3 Rxd2 27.Rxd2 Bc5 28.Nxe5 Bxe3 29.Rd7 a3 30.Qd3 Bf4 31.Nxf7 > µ (-1.35) Depth: 12 00:05:48 115153kN >25.c4 Bxa3 26.Nf3 Rxd2 27.Rxd2 Bc5 28.Nxe5 Bxe3 29.Rd7 a3 30.Qd3 Bf4 31.Nxf7 >Qg1+ 32.Qb1 axb2+ > µ (-1.35) Depth: 13 00:17:12 343221kN >25.c4 Bxa3 26.Nf3 Bxb2+ 27.Kxb2 Rxd2+ 28.Nxd2 a3+ 29.Ka1 Qb4 30.Bd4 Nxc4 31.Nf3 >b2+ 32.Ka2 Na5 33.Rb1 e5 34.Rxb2 > >axb2 35.Qxb2 > -+ (-1.75) Depth: 14 00:36:39 736549kN >25.c4 Bxa3 26.Nf3 Bxb2+ 27.Kxb2 Rxd2+ 28.Nxd2 a3+ 29.Ka1 Qb4 30.Bd4 Nxc4 31.Nxb3 >Qxb3 32.Qd3 Qa4 33.Rc1 Rc6 34.Qc2 > >Qb4 35.Ka2 > -+ (-2.68) Depth: 14 01:03:08 1259612kN >25.cxb3 axb3 26.Qf1 Ra8 > -+ (-1.77) Depth: 14 01:05:28 1306276kN >25.h4 Bxd4 26.Rxd4 Rxd4 27.Bxd4 bxc2 28.Qxc2 Rxc2 29.Bxb6 Nc4 30.Rd8+ Kh7 31.Rc8 >Rc1+ 32.Ka2 h5 > -+ (-1.76) Depth: 14 01:47:05 2130369kN >25.h4 Bxd4 26.Rxd4 Rxd4 27.Bxd4 Rxc2 28.Qf1 Qc7 29.g5 hxg5 30.hxg5 Nf3 31.g6 >fxg6 32.Bb6 Qe5 > -+ (-1.65) Depth: 14 02:12:23 2632115kN >25.Bf2 Bxd4 26.Rxd4 Rxd4 27.Bxd4 Rxc2 28.Qf1 Re2 > -+ (-1.64) Depth: 14 02:32:03 3037794kN >25.Bf2 Bxd4 26.Rxd4 Rxd4 27.Bxd4 Rxc2 28.Qf1 Qd6 29.Bc3 Qc7 30.Qe1 Nc4 > -+ (-1.61) Depth: 14 02:50:51 3409499kN > >(Blass, Tel-aviv 09.11.2001)
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