Author: Uri Blass
Date: 11:49:45 11/30/01
[D]rr6/q2kbp2/bnp1p2p/pp1pP1pP/2nP2P1/P1P2N2/NP3P2/1KBRQB1R w - - 0 25 Junior played Ka1 and lost here is yace(only material version) logfile for that position(it was slowed down by a big factor in the first seconds so the times are not important) It was using the following material values: pawn:0.8,knight 3.4 bishop 3.5,rook 5,queen 10.01 I prefer 1,3,5,9 but the values are the values from the version that I got from the programmer You can see that b4 has a stable score at deothes 16,17 of 0.1 pawns that means an advantage of only bishop for a knight After Ka1 white is losing a pawn You can also see that Junior7 also likes Ka1 after few minutes. I believe that b4 could at least give Junior better practical chances to save the game against piket. I also believe that computers can practically by good defence win games or at least draw against king attacks of humans when the hardware gets faster Even if the computer gets into a bad position humans are going to have big problems to find the right moves against correct defence What is your opinion? 1 -10 0 9 Bxc4 dxc4 1 0 0 26 Rh2 1 0 0 52 Rh2 2 0 0 110 Rh2 Bd8 2 0 0 490 Rh2 Bd8 3 0 0 1034 Rh2 Bd8 Be2 3 0 0 1399 Rh2 Bd8 Be2 4 0 1 4474 Rh2 a4 Be2 Bc8 4 0 1 5215 Rh2 a4 Be2 Bc8 5 0 1 7376 Rh2 a4 Be2 Bc8 Nb4 5 0 2 9353 Rh2 a4 Be2 Bc8 Nb4 6 0 3 14876 Rh2 a4 Be2 Bc8 Nb4 Bd8 6 0 5 27183 Rh2 a4 Be2 Bc8 Nb4 Bd8 7 0 11 51383 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 7 0 21 102385 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 8 0 30 151619 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 Kc7 8 0 40 209631 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 Kc7 9 0 65 349837 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 Kc7 Kc2 9 0 92 511066 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 Kc7 Kc2 10 0 153 850827 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 Kc7 Kc2 Kd7 10 0 236 1303073 Rh2 a4 Be2 Bc8 Nb4 Bd8 Bf1 Kc7 Kc2 Kd7 11 -10 1130 5792693 Rh2 b4 cxb4 axb4 axb4 Nxb2 Bxb2 Bxf1 Nc1 Bb5 Ng1 Nc4 Bc3 11 -9 2872 14360047 Nh2 b4 Bxc4 dxc4 cxb4 axb4 Nxb4 Nd5 Nxa6 Bb4 11 0 3025 15112569 Nh2 b4 Bxc4 Nxc4 axb4 axb4 Nxb4 Bxb4 cxb4 Qb6 Kc2 Qxb4 Qxb4 11 0 3109 15548288 Nh2 b4 Bxc4 Nxc4 axb4 axb4 Nxb4 Bxb4 cxb4 Qb6 Kc2 Qxb4 Qxb4 12 -40 4323 21626223 Nh2 b4 Bxc4 Bxc4 cxb4 Bxa2+ Kxa2 axb4 Qe3 bxa3 Rd3 axb2+ Ra3 bxc1=Q Rxc1 12 -80 4888 24284143 Nh2 b4 Bxc4 Bxc4 cxb4 Bxa2+ Kxa2 axb4 Qe3 bxa3 bxa3 Nc4 Qf3 Bxa3 Bxa3 12 -79 7078 35717308 Bxc4 dxc4 12 -10 8324 42177363 Bxc4 dxc4 Kc2 Nc8 b4 cxb3+ Kxb3 Kc7 Nd2 Qb6 Kc2 a4 Nb4 Bb7 12 -9 9518 48227197 Rh3 b4 Bxc4 Nxc4 axb4 axb4 Nxb4 Bb5 12 0 10054 50889084 Rh3 b4 Bxc4 Nxc4 axb4 axb4 Nxb4 Bxb4 cxb4 Qb6 Kc2 Qxb4 Qxb4 Rxb4 12 0 10276 52030053 Rh3 b4 Bxc4 Nxc4 axb4 axb4 Nxb4 Bxb4 cxb4 Qb6 Kc2 Qxb4 Qxb4 Rxb4 13 -40 14023 70811643 Rh3 b4 Bxc4 Nxc4 axb4 axb4 Nxb4 Bxb4 cxb4 Bb5 Kc2 Qa2 Be3 Nxe3+ Kc3 13 -80 22222 108322149 Rh3 b4 cxb4 axb4 Nxb4 Nxa3+ bxa3 Bxb4 Nd2 Bxf1 Qxf1 Bxa3 Bxa3 Nc4+ Kc2 Nxa3+ Kd3 13 -79 24090 117377533 Bxc4 dxc4 13 -10 28254 138402679 Bxc4 dxc4 Kc2 Nc8 b4 cxb3+ Kxb3 Kc7 Nd2 Qb6 Kc2 a4 Nb4 Bb7 Bb2 f5 13 -9 49364 243829428 Rd3 Nxa3+ bxa3 Bxa3 13 0 55378 272621295 Rd3 b4 cxb4 axb4 Nxb4 Bxb4 axb4 Bb5 Kc2 Qa2 Rc3 Na3+ Kd1 Ba4+ Ke2 Bb5+ Ke3 Nbc4+ 13 0 55464 273037007 Rd3 b4 cxb4 axb4 Nxb4 Bxb4 axb4 Bb5 Kc2 Qa2 Rc3 Na3+ Kd1 Ba4+ Ke2 Bb5+ Ke3 Nbc4+ 14 -40 60375 297024338 Rd3 b4 cxb4 axb4 Nxb4 Bxb4 axb4 Bb5 Kc2 Qa2 Rb3 Na3+ Kc3 Bxf1 Rxa3 Rxa3+ b3 14 -80 70933 347069575 Rd3 b4 cxb4 axb4 Ka1 Nc8 b3 Nxa3 Rd2 Bxf1 Rxf1 Ke8 Re2 c5 dxc5 Bxc5 14 -79 81320 393182276 Bxc4 dxc4 14 -10 100910 487808166 Bxc4 dxc4 Kc2 Nc8 b4 cxb3+ Kxb3 Kc7 Kc2 b4 cxb4 Bc4 Nc3 axb4 axb4 Bxb4 Kd2 14 -9 160368 777570157 Kc2 Nxa3+ bxa3 Bxa3 14 0 174028 844324842 Kc2 b4 cxb4 axb4 Nxb4 Nxa3+ bxa3 Bxf1 Rxf1 Bxb4 Qxb4 Nc4 Qe1 Qa4+ Kd3 Nb2+ Bxb2 Qc4+ Ke3 14 0 174029 844324842 Kc2 b4 cxb4 axb4 Nxb4 Nxa3+ bxa3 Bxf1 Rxf1 Bxb4 Qxb4 Nc4 Qe1 Qa4+ Kd3 Nb2+ Bxb2 Qc4+ Ke3 15 -40 217889 1060384385 Kc2 b4 cxb4 axb4 Nxb4 Bb5 Rd3 Qa4+ Kb1 Nc8 Rc3 Bxb4 axb4 Qa2+ Kc2 Ba4+ Kd3 Nxb2+ Ke2 Nd1+ Nd2 Nxc3+ Ke3 15 -70 308173 1501840400 Kc2 b4 cxb4 axb4 Nxb4 Bb5 Nd2 Qa4+ Nb3 Na5 Rh3 Nxb3 Rxb3 Bc4 Rd3 Bxd3+ Bxd3 15 -69 341844 1677945535 Bxc4 dxc4 15 -21 391124 1932319651 Bxc4 bxc4 Qe2 Na4 Ka1 Rb3 Qc2 Rab8 Nd2 Rxb2 Bxb2 Rxb2 Qxa4 Bb5 Qxc4 dxc4 Kxb2 15 -20 542485 2691935962 b4 axb4 Bxc4 dxc4 axb4 Bc8 Rd2 Na4 15 -10 569822 2828814696 b4 axb4 Bxc4 dxc4 axb4 Bc8 Rd2 Na4 Nh2 Qb7 Qe2 Kd8 Kc2 Bf8 Kb1 Ke8 Kc2 Kd7 15 -10 615360 3062516848 b4 axb4 Bxc4 dxc4 axb4 Bc8 Rd2 Na4 Nh2 Qb7 Qe2 Kd8 Kc2 Bf8 Kb1 Ke8 Kc2 Kd7 16 -10 692082 3446821256 b4 axb4 Bxc4 dxc4 cxb4 Bc8 Bb2 Bf8 Kc2 Nd5 Kb1 Kc7 Kc2 Nf4 Nc1 Kb7 Kb1 Bd7 16 -10 1026476 835094608 b4 axb4 Bxc4 dxc4 cxb4 Bc8 Bb2 Bf8 Kc2 Nd5 Kb1 Kc7 Kc2 Nf4 Nc1 Kb7 Kb1 Bd7 17 -10 1261335 2002686853 b4 axb4 Bxc4 dxc4 cxb4 Bc8 Bb2 Bf8 Kc2 Nd5 Kb1 Kc7 Rd2 Nf4 Nc1 Qa6 Kc2 Qb7 Rf1 After Ka1 yace(only material can see 0.8 pawns advantage for black that means a pawn) [D]rr6/q2kbp2/bnp1p2p/pp1pP1pP/2nP2P1/P1P2N2/NP3P2/K1BRQB1R b - - 0 25 1 -340 5 40 Nxe5 Nxe5+ Kc7 Nxf7 1 -260 5 47 Nxa3 bxa3 1 0 5 65 b4 1 0 5 95 b4 2 0 5 167 b4 Nh2 2 0 5 573 b4 Nh2 3 0 6 723 b4 Nh2 bxc3 3 0 6 933 b4 Nh2 bxc3 4 0 6 3195 b4 cxb4 axb4 Be2 bxa3 4 0 6 4049 b4 cxb4 axb4 Be2 bxa3 5 0 7 6197 b4 cxb4 axb4 Be2 bxa3 bxa3 5 0 7 8141 b4 cxb4 axb4 Be2 bxa3 bxa3 6 0 7 10921 b4 cxb4 axb4 Be2 bxa3 bxa3 Nc8 6 0 11 25325 b4 cxb4 axb4 Be2 bxa3 bxa3 Nc8 7 10 14 38453 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 7 10 16 51275 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 8 -30 31 108085 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc8 8 -80 44 161125 b4 cxb4 axb4 Nxb4 Bb5 Rd3 Nc8 Rb3 Qa4 8 -79 51 200013 Rh8 Nh2 8 0 61 249249 Rh8 Nh2 Nc8 Kb1 N8b6 Be2 Bb7 Kc2 8 0 69 288940 Rh8 Nh2 Nc8 Kb1 N8b6 Be2 Bb7 Kc2 9 0 83 374501 Rh8 Nh2 Nc8 Kb1 N8b6 Be2 Bb7 Kc2 Nc8 9 1 86 385916 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Qe2 Bxe2 Nxg5 9 3 95 430538 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc8 9 3 106 500951 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc8 10 -37 154 746001 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc8 Na2 Qxa3 10 -80 221 1087348 b4 cxb4 axb4 Nxb4 Bb7 Nh2 Nc8 Kb1 N8b6 Rd3 Nc8 10 -79 233 1163897 Rh8 Nh2 10 0 271 1380463 Rh8 Nh2 Nc8 Kb1 Bb7 Be2 N8b6 Kc2 Nc8 Rd3 10 0 420 2134015 Rh8 Nh2 Nc8 Kb1 Bb7 Be2 N8b6 Kc2 Nc8 Rd3 11 0 513 2681683 Rh8 Nh2 Nc8 Kb1 Bb7 Be2 N8b6 Kc2 Nc8 Rd3 N8b6 11 0 1531 7983338 Rh8 Nh2 Nc8 Kb1 Bb7 Be2 N8b6 Kc2 Nc8 Rd3 N8b6 12 0 1826 9692806 Rh8 Nh2 Nc8 Kb1 Bb7 Be2 N8b6 Kc2 Nc8 Rd3 N8b6 Kb1 12 0 4359 23123491 Rh8 Nh2 Nc8 Kb1 Bb7 Be2 N8b6 Kc2 Nc8 Rd3 N8b6 Kb1 13 0 5292 28072415 Rh8 Nh2 Nc8 Kb1 Bb7 Be2 N8b6 Kc2 Nc8 Rd3 N8b6 Kb1 Nc8 13 1 5512 29220431 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc4 Na2 Nxa3 Nd2 Rb1+ Nxb1 Nc2+ Kb2 Nxe1 Na3 13 40 12144 63328508 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc4 Na2 Nxa3 Nd2 Rb1+ Nxb1 Nc2+ Kb2 Nxe1 Na3 13 80 16932 87238538 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc4 Qe2 Bxb4 Rd3 Nxa3 Kb2 Be1+ Ka1 13 80 17280 89282280 b4 cxb4 axb4 Nxb4 Nxa3 bxa3 Bxf1 Rxf1 Nc4 Qe2 Bxb4 Rd3 Nxa3 Kb2 Be1+ Ka1 14 80 42503 217140446 b4 cxb4 axb4 b3 Nxa3 Rd2 Bxf1 Rxf1 Nbc4 Re2 Na5 Kb2 Ke8 Bd2 Qb7 Nxb4 14 80 43837 223592772 b4 cxb4 axb4 b3 Nxa3 Rd2 Bxf1 Rxf1 Nbc4 Re2 Na5 Kb2 Ke8 Bd2 Qb7 Nxb4 Junior 7 - Blass,U rr6/q2kbp2/bnp1p2p/pp1pP1pP/2nP2P1/P1P2N2/NP3P2/1KBRQB1R w - - 0 1 Analysis by Junior 7: 25.a4 Nxa4 ³ (-0.56) Depth: 3 00:00:01 25.Bd3 Qc7 26.Bc2 Na4 27.Bxa4 bxa4 = (0.07) Depth: 9 00:00:01 14kN 25.Bd3 Qc7 26.Bc2 Na4 27.Bxa4 bxa4 = (0.07) Depth: 9 00:00:01 14kN 25.Bd3 Qc7 26.Bc2 Na4 27.Bxa4 bxa4 = (0.07) Depth: 9 00:00:01 14kN 25.Bd3 Qc7 26.Bc2 Na4 27.Bxa4 bxa4 = (0.07) Depth: 9 00:00:01 14kN 25.Bd3 Qc7 26.Bc2 Na4 27.Bxa4 bxa4 = (0.07) Depth: 9 00:00:01 14kN 25.Bd3 a4 26.Nb4 Bb7 27.Nc2 Kc7 = (0.07) Depth: 12 00:00:01 171kN 25.Bd3 b4 26.cxb4 axb4 27.Bxc4 Nxc4 28.a4 Bc8 29.b3 Na3+ 30.Bxa3 bxa3 31.Qc3 µ (-0.98) Depth: 15 00:00:07 3607kN 25.Nd2 b4 26.Nxc4 Nxc4 27.cxb4 axb4 28.a4 Bc8 29.b3 Na3+ 30.Bxa3 bxa3 31.Qc3 µ (-0.96) Depth: 15 00:00:12 6418kN 25.Nxg5 hxg5 26.Rh3 Rh8 27.h6 Qb8 28.h7 Qf8 29.Qe2 µ (-0.82) Depth: 15 00:00:34 18570kN 25.Bd2 Nxd2+ 26.Qxd2 b4 27.cxb4 axb4 28.Nxb4 Bxf1 29.Rdxf1 Nc4 30.Qc3 Bxb4 31.axb4 Qa2+ 32.Kc1 µ (-0.79) Depth: 15 00:00:42 22973kN 25.Rd3 Nxa3+ ³ (-0.56) Depth: 15 00:00:52 28715kN 25.Kc2 b4 26.cxb4 axb4 27.Nxb4 Bb5 28.Nd3 Qa4+ 29.Kc3 Qa5+ 30.b4 Qa4 31.Nc5+ Bxc5 32.dxc5 = (-0.20) Depth: 15 00:00:58 31792kN 25.Ka1 b4 26.cxb4 Nxb2 27.b5 Nxd1 28.bxa6 Nc4 29.Qxd1 Nxa3 30.Nc3 Qb6 = (-0.10) Depth: 15 00:00:59 32776kN 25.Ka1 b4 26.cxb4 Nxb2 27.b5 Nxd1 28.bxa6 Nc4 29.Qxd1 Qb6 30.Nc3 Bxa3 31.Bxc4 Bb2+ ³ (-0.29) Depth: 18 00:01:36 51167kN 25.Ka1 b4 ³ (-0.59) Depth: 20 00:07:11 223711kN (Blass, Tel-aviv 30.11.2001)
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