Hi Frank,
Glad to hear the fix is working!
Please note that MBooot6.2 is not 100% functional equivalent to Booot6.2, since I had to make an adjustment in the code related to the initialization of the bitboards in order to compile using FreePascal. I do not have a Delphi compiler.
My testing of MBooot6.2 against Booot6.2 shows that there is no significant elo difference, although search result on individual positions may differ.
For example: First position from arasan19b.epd
r1bq1r1k/p1pnbpp1/1p2p3/6p1/3PB3/5N2/PPPQ1PPP/2KR3R w - - bm g4; id "arasan19.1"; c0 "J. Polgar-Berkes, Budapest Hunguest Hotels 2003";
which is solved faster by MBooot than Booot.
Analysis by Booot62 (single core)
Code: Select all
FEN: r1bq1r1k/p1pnbpp1/1p2p3/6p1/3PB3/5N2/PPPQ1PPP/2KR3R w - - 0 1
Booot62:
14+ 00:01 114.492 407.444 -0,76 Be4xa8
14 00:01 146.300 446.036 -0,96 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 h2-h4 Qd8-d7 g2-g4 Qd7-a4 g4-g5 Nf6-d7 a2-a3 Bc8-a6 Qe2-e4 c7-c5
15 00:01 172.687 460.498 -0,95 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 h2-h4 Qd8-d7 Kc1-b1 Qd7-a4 b2-b3 Qa4-a3 c2-c4 a7-a5 g2-g4 a5-a4 g4-g5 a4xb3
16+ 00:01 204.978 469.057 -0,80 Be4xa8
16 00:01 241.150 483.266 -0,79 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 h2-h4 Bc8-d7 Kc1-b1 Be7-d6 g2-g3 a7-a5 Rh1-e1 Kh8-g8 c2-c3 Bd6-e7 Qe2-d3
17 00:01 304.020 499.211 -0,75 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 Kc1-b1 Qd8-d7 h2-h4 Qd7-a4 b2-b3 Qa4-a3 c2-c4 a7-a5 g2-g4 a5-a4 Qe2-b2 Qa3xb2+ Kb1xb2 a4-a3+ Kb2-b1
18 00:02 379.295 517.455 -0,75 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 Kc1-b1 Qd8-d7 h2-h4 Qd7-a4 b2-b3 Qa4-a3 c2-c4 a7-a5 g2-g4 a5-a4 Qe2-b2 Qa3xb2+ Kb1xb2 a4-a3+ Kb2-b1
19 00:02 524.768 525.293 -0,84 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 Kc1-b1 Qd8-d6 g2-g3 Bc8-d7 Rh1-e1 Kh8-g8 h2-h4 b6-b5 c2-c3 Rf8-d8 d4-d5 Qd6-c5 d5xe6 Qc5-f5+ Kb1-a1
20+ 00:04 1.617.924 537.337 -0,84 Be4xa8 g5-g4
20 00:04 1.785.399 534.710 -0,94 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Rh1-g1 g4xf3 g2xf3 Be7-f6 Kc1-b1 c7-c5 Rg1-g3 Rf8-e8 d4xc5 Nd7xc5 Qd2xd8 Re8xd8 Rd1xd8+ Bf6xd8 b2-b4 Nc5xe4 f3xe4 Bd8-e7
21 00:04 1.933.116 536.380 -0,97 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Rh1-g1 g4xf3 g2xf3 f7-f5 Be4-d3 Ba6-b7 Bd3-c4 Bb7xf3 Rd1-e1 c7-c5 Bc4xe6 Bf3-g4 h2-h4 c5xd4 f2-f3 Bg4xf3 Qd2xd4 Nd7-f6 Qd4xd8 Rf8xd8 Be6xf5
22+ 00:06 2.842.647 540.735 -0,82 Be4xa8
22 00:07 3.182.558 542.543 -0,83 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 c2-c3 Kh8-g8 Qd2-c2 b6-b5 g2-g3 Nd5-b6 h4-h5 Be7-g5 h5-h6 Bg5xh6 Rd1-e1 Nb6-c4
23 00:07 3.578.324 544.811 -0,86 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 c2-c3 Kh8-g8 g2-g3 b6-b5 a2-a3 c7-c6 Rh1-e1 Ba6-b7 Qd2-d3 a7-a5 Bf3xd5 e6xd5 f2-f4 a5-a4
24 00:09 4.245.323 547.571 -0,90 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 c2-c3 Kh8-g8 g2-g3 b6-b5 a2-a3 c7-c6 Qd2-d3 Ba6-b7 Bf3-e4 a7-a5 Be4-h7+ Kg8-h8 h4-h5 f7-f5 Bh7-g6 Be7-g5 f2-f4 Bg5-e7
25 00:10 4.973.548 549.684 -0,90 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 c2-c3 Kh8-g8 g2-g3 b6-b5 a2-a3 Ba6-b7 Qd2-d3 Bb7-c6 Rh1-e1 a7-a5 h4-h5 a5-a4 h5-h6 g7xh6 Re1-h1 Be7-g5 Rd1-e1 Qd8-e7
26+ 00:14 7.155.318 548.636 -0,75 Be4xa8
26 00:15 7.816.298 548.781 -0,75 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 g2-g3 Kh8-g8 c2-c3 b6-b5 h4-h5 Be7-g5 Qd2-e2 Qd8-d6 Rh1-e1 b5-b4 c3-c4 Qd6-c6 Qe2-e5 f7-f6 Bf3xd5 e6xd5 Qe5xd5+ Qc6xd5 c4xd5
27 00:24 12.553.425 550.782 -0,90 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 g2-g3 Kh8-g8 c2-c3 b6-b5 h4-h5 Be7-g5 Qd2-e2 Qd8-d6 Rh1-e1 b5-b4 Qe2-e5 Qd6xe5 d4xe5 b4xc3 Bf3xd5 e6xd5 f2-f4 Bg5-e7 Rd1xd5 c3xb2
28+ 00:26 14.042.728 550.220 -0,75 Be4xa8
28 00:34 18.117.630 547.294 -0,72 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 h2-h4 g4xf3 Be4xf3 Kh8-g8 Kc1-b1 Nd7-f6 g2-g3 Nf6-d5 c2-c3 b6-b5 Qd2-e2 Qd8-d6 h4-h5 Rf8-b8 h5-h6 b5-b4 c3-c4 Nd5-c3+ b2xc3 b4xc3+ Kb1-a1 Rb8-b2 c4-c5 Ba6xe2 c5xd6
29+ 00:53 28.769.943 548.709 -0,57 g2-g4
29+ 00:55 29.989.947 549.890 -0,42 g2-g4
29+ 01:03 34.531.155 553.375 -0,15 g2-g4
29+ 02:42 99.504.184 618.603 +0,30 g2-g4
29 04:46 176.976.444 621.144 +0,56 g2-g4 Ra8-b8 h2-h4 g7-g6 h4xg5+ Kh8-g7 Qd2-f4 Be7-d6 Nf3-e5 Bd6-e7 Ne5xf7 Be7-d6 Qf4-f3 Qd8-e7 Qf3-h3 Rf8-g8 Be4xg6 Bd6-f4+ Kc1-b1 Kg7-f8 Qh3-h6+ Rg8-g7 Rh1-e1 Bc8-b7 d4-d5 e6-e5 c2-c3 Nd7-c5 f2-f3 Bf4-g3 Re1-e2 Bg3-f4 c3-c4 Rb8-e8 Rd1-e1 Nc5-d3 Bg6xd3
30+ 05:02 186.112.795 617.410 +0,71 g2-g4 Bc8-a6
30+ 05:20 197.237.234 617.077 +0,86 g2-g4
30+ 06:09 225.410.161 612.050 +1,13 g2-g4
30 07:03 264.397.630 625.728 +1,13 g2-g4 Ra8-b8 h2-h4 g7-g6 h4xg5+ Kh8-g7 Qd2-f4 Be7-d6 Nf3-e5 Bd6-e7 Ne5xf7 Be7-d6 Qf4-f3 Qd8-e7 Qf3-h3 Rf8-g8 Be4xg6 Bd6-f4+ Kc1-b1 Kg7-f8 Qh3-f3 Rg8xg6 Rh1-h8+ Rg6-g8 Rh8xg8+ Kf8xf7 Rg8xc8 Rb8xc8 Qf3xf4+ Kf7-g7 Qf4-e3 Nd7-f8 Qe3-e5+ Kg7-f7 Rd1-h1 c7-c5 f2-f4 c5xd4 Qe5xd4 Rc8-d8 Qd4-e4 Rd8-d2 Rh1-e1
Best move: g2-g4, Value: +1,13, Depth: 31, Time: 00:04,454, 264.884.450 Nodes, 625 kN/sec.
Analysis by MBooot62
Code: Select all
FEN: r1bq1r1k/p1pnbpp1/1p2p3/6p1/3PB3/5N2/PPPQ1PPP/2KR3R w - - 0 1
MBooot62_64_01:
14 00:01 146.300 585.200 -0,96 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 h2-h4 Qd8-d7 g2-g4 Qd7-a4 g4-g5 Nf6-d7 a2-a3 Bc8-a6 Qe2-e4 c7-c5
15 00:01 172.687 581.437 -0,95 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 h2-h4 Qd8-d7 Kc1-b1 Qd7-a4 b2-b3 Qa4-a3 c2-c4 a7-a5 g2-g4 a5-a4 g4-g5 a4xb3
16+ 00:01 204.978 570.969 -0,80 Be4xa8
16 00:01 241.150 571.445 -0,79 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 h2-h4 Bc8-d7 Kc1-b1 Be7-d6 g2-g3 a7-a5 Rh1-e1 Kh8-g8 c2-c3 Bd6-e7 Qe2-d3
17 00:01 304.020 590.330 -0,75 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 Kc1-b1 Qd8-d7 h2-h4 Qd7-a4 b2-b3 Qa4-a3 c2-c4 a7-a5 g2-g4 a5-a4 Qe2-b2 Qa3xb2+ Kb1xb2 a4-a3+ Kb2-b1
18 00:02 379.295 578.193 -0,75 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 Kc1-b1 Qd8-d7 h2-h4 Qd7-a4 b2-b3 Qa4-a3 c2-c4 a7-a5 g2-g4 a5-a4 Qe2-b2 Qa3xb2+ Kb1xb2 a4-a3+ Kb2-b1
19 00:02 524.760 579.845 -0,84 Be4xa8 g5-g4 Qd2-e2 g4xf3 Ba8xf3 Nd7-f6 Kc1-b1 Qd8-d6 g2-g3 Bc8-d7 Rh1-e1 Kh8-g8 h2-h4 b6-b5 c2-c3 Rf8-d8 d4-d5 Qd6-c5 d5xe6 Qc5-f5+ Kb1-a1
20+ 00:04 1.617.914 560.607 -0,84 Be4xa8 g5-g4
20 00:04 1.870.524 555.051 -0,94 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Rh1-g1 g4xf3 g2xf3 Be7-f6 Kc1-b1 c7-c5 Rg1-g3 Rf8-e8 d4xc5 Nd7xc5 Qd2xd8 Re8xd8 Rd1xd8+ Bf6xd8 b2-b4 Nc5xe4 f3xe4 Bd8-e7
21+ 00:05 2.399.205 555.114 -0,79 Be4xa8 g5-g4 Qd2-d3
21 00:06 2.994.840 550.016 -0,82 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Rh1-g1 g4xf3 g2xf3 f7-f5 Be4-d3 Ba6-b7 Bd3-c4 Bb7xf3 Rd1-e1 c7-c5 Bc4xe6 Bf3-g4 d4-d5 Nd7-f6 Kc1-b1 Be7-d6 f2-f3 Bg4xf3
22+ 00:08 3.922.634 550.159 -0,67 Be4xa8
22 00:09 4.235.156 551.739 -0,65 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Rh1-g1 g4xf3 g2xf3 f7-f5 Be4-d3 Ba6-b7 Bd3-c4 Bb7xf3 Rd1-e1 Bf3-d5 Qd2-e2 Nd7-f6 Bc4xd5 Qd8xd5 Qe2xe6 Qd5xe6 Re1xe6 Be7-d6 h2-h4 Bd6-f4+ Kc1-b1 Rf8-d8
23 00:10 4.829.711 551.840 -0,70 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Rh1-g1 g4xf3 g2xf3 f7-f5 Be4-d3 Ba6-b7 Bd3-c4 Bb7xf3 Rd1-e1 Bf3-d5 Bc4xd5 e6xd5 Re1-e6 Rf8-f7 Kc1-b1 Kh8-g8 Qd2-e3 Nd7-f8 Re6-e5 g7-g6 f2-f4 Be7-f6
24 00:15 7.710.384 557.189 -1,10 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Rh1-g1 Nd7-f6 Be4-d3 Ba6xd3 Qd2xd3 g4xf3 Qd3xf3 Kh8-g8 Kc1-b1 Qd8-d5 Qf3xd5 Nf6xd5 g2-g3 b6-b5 Rg1-e1 Rf8-d8 f2-f4 a7-a5 c2-c3 c7-c5 d4xc5
25+ 00:16 8.640.497 559.472 -0,95 Be4xa8 g5-g4
25 00:18 9.379.811 559.821 -0,91 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 g2-g3 Kh8-g8 Rh1-e1 Qd8-d6 h4-h5 Qd6-d8 Bf3-e2 Ba6-b7 Be2-c4 Nd5-f6 h5-h6 Nf6-e4 Qd2-f4 Be7-d6 Qf4-f3
26+ 00:22 11.603.139 557.146 -0,76 Be4xa8
26 00:23 12.337.788 557.337 -0,88 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 g2-g3 Kh8-g8 c2-c3 b6-b5 Qd2-d3 c7-c6 h4-h5 Be7-g5 Bf3-g4 Bg5-h6 f2-f4 Qd8-a5 Bg4-f3 Rf8-d8 Bf3xd5 Rd8xd5 Qd3-d2 c6-c5
27 00:26 13.847.545 558.278 -0,82 Be4xa8 Bc8-a6 Ba8-e4 g5-g4 Kc1-b1 g4xf3 Be4xf3 Nd7-f6 h2-h4 Nf6-d5 g2-g3 Kh8-g8 c2-c3 Rf8-e8 Qd2-c2 Ba6-b7 Rh1-e1 b6-b5 Qc2-d3 c7-c6 h4-h5 Be7-f6 a2-a3 a7-a5 h5-h6 g7xh6 Re1-h1 Bf6-g5
27+ 00:30 16.116.489 560.554 -0,73 g2-g4
27+ 00:31 16.791.334 562.053 -0,58 g2-g4
27+ 00:33 18.039.901 563.535 -0,31 g2-g4
27+ 01:06 39.638.298 611.966 +0,14 g2-g4
27 01:18 46.945.852 612.646 +0,43 g2-g4 Bc8-a6 h2-h4 g5xh4 g4-g5 Kh8-g8 Rh1xh4 f7-f5 Be4-c6 Nd7-e5 d4xe5 Qd8xd2+ Rd1xd2 Ra8-d8 Rh4-a4 Ba6-f1 Ra4xa7 Bf1-g2 Rd2xd8 Rf8xd8 g5-g6 Be7-c5 Ra7xc7 Bc5xf2 c2-c3 Bf2-e3+ Kc1-c2 Bg2xf3 Bc6xf3 b6-b5 Rc7-e7 Rd8-d2+ Kc2-c1
28+ 01:33 55.546.937 606.692 +0,58 g2-g4 Ra8-b8
28+ 01:36 57.607.912 603.989 +0,73 g2-g4
28+ 02:13 83.351.010 628.955 +1,00 g2-g4
28 02:51 110.106.769 645.810 +0,90 g2-g4 Ra8-b8 h2-h4 g7-g6 h4xg5+ Kh8-g7 Qd2-f4 a7-a5 Kc1-b1 Be7-d6 Nf3-e5 Bd6xe5 d4xe5 Rf8-h8 Rh1-h6 b6-b5 Be4-c6 Rh8xh6 g5xh6+ Kg7-g8 Bc6xd7 Bc8xd7 Qf4-d4 Kg8-h7 Qd4xd7 Qd8xd7 Rd1xd7 Kh7xh6 f2-f4 Kh6-g7 Rd7xc7
29+ 03:12 124.086.427 649.480 +1,05 g2-g4 Bc8-a6
29+ 03:22 129.780.827 645.101 +1,20 g2-g4
29+ 03:53 151.229.442 651.617 +1,26 g2-g4
29 04:53 189.654.999 648.630 +1,13 g2-g4 f7-f5 Be4xa8 f5xg4 Nf3-e5 Nd7xe5 d4xe5 Qd8xd2+ Rd1xd2 Rf8-f4 Kc1-b1 Kh8-g8 Rh1-e1 a7-a5 Ba8-c6 Kg8-f7 c2-c3 Kf7-g6 Bc6-b5 Kg6-f7 Re1-e2 Rf4-f3 Re2-e4 Rf3-f4 Re4xf4+ g5xf4 Rd2-d4 Be7-g5 Bb5-c6 g7-g6 Kb1-c2
30+ 05:04 195.635.456 646.124 +1,28 g2-g4
30 05:17 203.309.388 642.503 +1,30 g2-g4 f7-f5 Be4xa8 f5xg4 Nf3-e5 Nd7xe5 d4xe5 Qd8xd2+ Rd1xd2 Kh8-g8 Ba8-c6 a7-a5 Rh1-d1 Rf8-f5 a2-a3 Kg8-f7 Rd1-e1 Be7-c5 Rd2-d8 Bc8-a6 Rd8-d7+ Kf7-g8 Re1-e4 Bc5xf2 Rd7xc7 g4-g3 h2xg3 Bf2xg3 Bc6-d7 Kg8-h8 Bd7xe6 Bg3-f4+ Kc1-b1 Rf5xe5 Re4xe5
31 05:43 217.383.221 636.432 +1,06 g2-g4 f7-f5 Be4xa8 f5xg4 Nf3-e5 Nd7xe5 d4xe5 Qd8xd2+ Rd1xd2 Bc8-a6 Ba8-c6 Be7-c5 Rh1-d1 Rf8-f4 Rd2-d7 Bc5xf2 Rd7xc7 Bf2-e3+ Kc1-b1 Ba6-e2 Rd1-d8+ Kh8-h7 a2-a4 Be3-d4 Rc7xa7 Bd4xe5 Kb1-a2 Rf4-c4 Rd8-d2 Be2-f3 Bc6-b5 Rc4-c5 b2-b4 Bf3-d5+ Ka2-b1 Rc5-c8 Rd2-e2
32+ 05:54 223.896.691 633.961 +1,21 g2-g4
32+ 06:16 235.928.355 629.803 +1,36 g2-g4
32 06:49 255.054.237 624.289 +1,35 g2-g4 f7-f5 Be4xa8 f5xg4 Nf3-e5 Nd7xe5 d4xe5 Qd8xd2+ Rd1xd2 Kh8-g8 Ba8-c6 a7-a5 Rh1-d1 Rf8-f4 b2-b3 Kg8-f7 c2-c4 Kf7-g6 Kc1-b1 Kg6-f5 Rd2-e2 Kf5-g6 Bc6-e4+ Kg6-h5 Kb1-b2 Rf4-f8 Rd1-d2 Be7-c5 a2-a3 Kh5-h6 Be4-c6 Kh6-g6 Bc6-d7 Bc8xd7 Rd2xd7
33+ 07:50 283.992.013 604.901 +1,35 g2-g4 Bc8-a6
33 08:22 301.694.698 601.999 +1,30 g2-g4 f7-f5 Be4xa8 f5xg4 Nf3-e5 Nd7xe5 d4xe5 Qd8xd2+ Rd1xd2 Kh8-g8 Ba8-c6 a7-a5 Rh1-d1 Rf8-f4 b2-b3 Kg8-f7 c2-c4 Kf7-g6 Kc1-b1 Kg6-f5 Rd2-e2 Kf5-g6 Bc6-e4+ Kg6-h5 Rd1-d3 Kh5-h6 Rd3-d2 Rf4-f8 Rd2-d1 Rf8-f4 Kb1-b2 g7-g6 a2-a3 Kh6-g7 Be4-c6 Be7-c5
34 08:45 314.710.203 600.457 +1,30 g2-g4 f7-f5 Be4xa8 f5xg4 Nf3-e5 Nd7xe5 d4xe5 Qd8xd2+ Rd1xd2 Kh8-g8 Ba8-c6 a7-a5 Rh1-d1 Rf8-f4 b2-b3 Kg8-f7 c2-c4 Kf7-g6 Kc1-b1 Kg6-f5 Rd2-e2 Kf5-g6 Bc6-e4+ Kg6-h5 Rd1-d3 Kh5-h6 Be4-c6 Kh6-g6 Rd3-d1 Kg6-f7 Kb1-b2 Kf7-g6 a2-a3 Kg6-h7 Re2-d2 Kh7-g6
Best move: g2-g4, Value: +1,30, Depth: 35, Time: 00:04,789, 317.133.211 Nodes, 600 kN/sec.
Note the main line is different. MBooot is a slightly different engine than Booot. If you really want to have Booot62 to analyze your positions you have to wait for the fix by Alex.
Maarten