FlipMind benchmark result (2026-11-13) Platform: x86 AVX2 build, AMD Ryzen 5 5600X (6 cores, 12 threads), Windows 11 Pro Engine: FlipMind 1.0.0 (engine code 74fe39f, x86-64-v3) Problems: FFO 40-59 (FFO endgame tests #40-#59, 20 positions, 20-34 empties) Mode: BEST (best move and its exact score) Conditions: 12 threads, no book, engines alternated, 3 rounds Time: total solve time reported by the engine Correct: 20/20 Average: 48.869 s (rounds: 49.024 / 49.084 / 48.500) [Raw engine output] === round 1 === FlipMind 1.0 path=x86-64-v3 (avx2+bmi2) compiler=16.2.0 | bench/ffo/fforum-40-59.obf | hash 1024 MB | threads 12 | mode best | eval eval/f8orb002-20261108/models/e1-std.fmw smt profile on (auto): threads 12, physical cores 6, logical cpus 12 | smt:prefetch_lazy=1 # | emp | move | score | want | ok | nodes | time s | N/s | pv 1 | 20 | A2 | +38 | +38 | ok | 10610270 | 0.042 | 252095654 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 | cpu 0.234 s | cpu/wall 5.57 2 | 22 | H4 | +0 | +0 | ok | 12467743 | 0.064 | 193536285 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 | cpu 0.672 s | cpu/wall 10.43 3 | 22 | G2 | +6 | +6 | ok | 16924497 | 0.087 | 194360516 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 | cpu 0.703 s | cpu/wall 8.07 4 | 23 | C7 | -12 | -12 | ok | 9340537 | 0.073 | 127268465 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 | cpu 0.609 s | cpu/wall 8.30 5 | 23 | D2 | -14 | -14 | ok | 7866651 | 0.058 | 135177173 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 | cpu 0.672 s | cpu/wall 11.55 6 | 24 | B2 | +6 | +6 | ok | 161021515 | 0.609 | 264292344 | B2 C1 G5 H4 H6 G4 B1 A6 A8 A1 B8 B7 | cpu 6.516 s | cpu/wall 10.69 7 | 24 | B3 | -8 | -8 | ok | 28404632 | 0.176 | 161783677 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 | cpu 1.359 s | cpu/wall 7.74 8 | 25 | G2 | +4 | +4 | ok | 12682385 | 0.073 | 172571480 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 | cpu 0.562 s | cpu/wall 7.65 9 | 25 | F6 | +28 | +28 | ok | 135949738 | 0.573 | 237338698 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 | cpu 6.047 s | cpu/wall 10.56 10 | 26 | E1 | +16 | +16 | ok | 129835647 | 0.598 | 217072657 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 | cpu 6.047 s | cpu/wall 10.11 11 | 26 | D8 | +10 | +10 | ok | 343901001 | 1.813 | 189637929 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 | cpu 19.359 s | cpu/wall 10.68 12 | 27 | E2 | +6 | +6 | ok | 127814489 | 0.622 | 205519396 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 | cpu 6.234 s | cpu/wall 10.02 13 | 27 | A3 | +0 | +0 | ok | 299221835 | 1.260 | 237458013 | A3 F2 E1 F1 C2 B1 B3 C1 G2 A2 G7 E8 | cpu 14.000 s | cpu/wall 11.11 14 | 28 | D8 | -2 | -2 | ok | 1231437516 | 4.758 | 258809261 | D8 B6 D7 C2 A5 A3 G2 E8 B4 C8 C1 G8 | cpu 54.234 s | cpu/wall 11.40 15 | 28 | C7 | -2 | -2 | ok | 1816906843 | 7.388 | 245929505 | C7 G6 G5 F6 G4 C8 B7 E2 B8 H6 H5 H4 | cpu 85.000 s | cpu/wall 11.51 16 | 29 | G6 | +0 | +0 | ok | 4845020129 | 20.700 | 234057390 | G6 H7 C1 F2 G2 G8 F8 H1 H8 H2 G4 H5 | cpu 235.406 s | cpu/wall 11.37 17 | 29 | H5 | +2 | +2 | ok | 487977650 | 2.958 | 164985392 | H5 H4 H3 D8 C8 C7 E8 G8 G4 G3 F8 B8 | cpu 31.312 s | cpu/wall 10.59 18 | 30 | A6 | -10 | -10 | ok | 1015789301 | 4.013 | 253135843 | A6 B5 B4 E2 F2 E1 G1 D2 C3 F1 D1 A3 | cpu 45.969 s | cpu/wall 11.46 19 | 30 | G1 | +4 | +4 | ok | 627535885 | 3.082 | 203601261 | G1 F2 H3 D8 C8 D7 E8 H5 H6 H7 H2 G6 | cpu 34.109 s | cpu/wall 11.07 20 | 34 | H4 | +64 | +64 | ok | 5276512 | 0.075 | 69918918 | H4 G8 E8 B7 B5 B4 B8 PS A5 A4 A8 A7 | cpu 0.344 s | cpu/wall 4.56 total: 20 solved, 20 ok, 0 wrong | nodes 11325984776 | time 49.024 s | 231028390 N/s | cpu 549.391 s | cpu/wall 11.21 | reset 0.000 s === round 2 === FlipMind 1.0 path=x86-64-v3 (avx2+bmi2) compiler=16.2.0 | bench/ffo/fforum-40-59.obf | hash 1024 MB | threads 12 | mode best | eval eval/f8orb002-20261108/models/e1-std.fmw smt profile on (auto): threads 12, physical cores 6, logical cpus 12 | smt:prefetch_lazy=1 # | emp | move | score | want | ok | nodes | time s | N/s | pv 1 | 20 | A2 | +38 | +38 | ok | 10721804 | 0.042 | 256454081 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 | cpu 0.219 s | cpu/wall 5.23 2 | 22 | H4 | +0 | +0 | ok | 12500929 | 0.068 | 184740561 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 | cpu 0.625 s | cpu/wall 9.24 3 | 22 | G2 | +6 | +6 | ok | 17026743 | 0.085 | 200151164 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 | cpu 0.672 s | cpu/wall 7.90 4 | 23 | C7 | -12 | -12 | ok | 9260867 | 0.074 | 124482882 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 | cpu 0.672 s | cpu/wall 9.03 5 | 23 | B8 | -14 | -14 | ok | 9662992 | 0.071 | 135732290 | B8 G5 D2 A3 B7 A8 A7 C8 G7 G8 H6 H5 | cpu 0.547 s | cpu/wall 7.68 6 | 24 | B2 | +6 | +6 | ok | 160731456 | 0.622 | 258457470 | B2 C1 G5 H4 H6 H1 H5 H7 G3 B7 G4 H3 | cpu 6.656 s | cpu/wall 10.70 7 | 24 | B3 | -8 | -8 | ok | 29982290 | 0.186 | 161164232 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 | cpu 1.688 s | cpu/wall 9.07 8 | 25 | G2 | +4 | +4 | ok | 12487181 | 0.072 | 173887892 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 | cpu 0.719 s | cpu/wall 10.01 9 | 25 | F6 | +28 | +28 | ok | 138304709 | 0.593 | 233285622 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 | cpu 6.578 s | cpu/wall 11.10 10 | 26 | E1 | +16 | +16 | ok | 128982600 | 0.568 | 226969211 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 | cpu 5.984 s | cpu/wall 10.53 11 | 26 | D8 | +10 | +10 | ok | 347242388 | 1.717 | 202224483 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 | cpu 19.344 s | cpu/wall 11.27 12 | 27 | E2 | +6 | +6 | ok | 129869544 | 0.620 | 209382261 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 | cpu 6.719 s | cpu/wall 10.83 13 | 27 | A3 | +0 | +0 | ok | 289980508 | 1.210 | 239631255 | A3 F2 E1 F1 C2 B1 B3 C1 G2 A2 G7 E8 | cpu 13.094 s | cpu/wall 10.82 14 | 28 | D8 | -2 | -2 | ok | 1112351862 | 4.458 | 249544847 | D8 B6 D7 C2 A5 A3 G2 E8 B4 C8 C1 G8 | cpu 49.047 s | cpu/wall 11.00 15 | 28 | C7 | -2 | -2 | ok | 1780246165 | 7.337 | 242653536 | C7 G6 G5 F6 G4 C8 B7 E2 B8 H6 H5 H4 | cpu 83.641 s | cpu/wall 11.40 16 | 29 | G6 | +0 | +0 | ok | 4890618414 | 20.741 | 235790363 | G6 H7 C1 F2 G2 G8 F8 H1 H8 H2 G4 H5 | cpu 237.641 s | cpu/wall 11.46 17 | 29 | H5 | +2 | +2 | ok | 600315332 | 3.301 | 181882228 | H5 H4 H3 D8 C8 C7 E8 G8 G4 G3 F8 B8 | cpu 36.953 s | cpu/wall 11.20 18 | 30 | A6 | -10 | -10 | ok | 1036512803 | 4.106 | 252435313 | A6 B5 B4 E2 F2 E1 G1 D2 C3 F1 D1 A3 | cpu 46.578 s | cpu/wall 11.34 19 | 30 | G1 | +4 | +4 | ok | 621217180 | 3.132 | 198326727 | G1 F2 H3 D8 C8 D7 E8 H5 H6 H7 H2 G6 | cpu 35.000 s | cpu/wall 11.17 20 | 34 | H4 | +64 | +64 | ok | 5636227 | 0.082 | 69115070 | H4 G8 E8 B7 B5 B4 B8 PS A5 A4 A8 A7 | cpu 0.609 s | cpu/wall 7.47 total: 20 solved, 20 ok, 0 wrong | nodes 11343651994 | time 49.084 s | 231104905 N/s | cpu 552.984 s | cpu/wall 11.27 | reset 0.000 s === round 3 === FlipMind 1.0 path=x86-64-v3 (avx2+bmi2) compiler=16.2.0 | bench/ffo/fforum-40-59.obf | hash 1024 MB | threads 12 | mode best | eval eval/f8orb002-20261108/models/e1-std.fmw smt profile on (auto): threads 12, physical cores 6, logical cpus 12 | smt:prefetch_lazy=1 # | emp | move | score | want | ok | nodes | time s | N/s | pv 1 | 20 | A2 | +38 | +38 | ok | 10705944 | 0.045 | 235606377 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 | cpu 0.359 s | cpu/wall 7.91 2 | 22 | H4 | +0 | +0 | ok | 12476477 | 0.067 | 186346952 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 | cpu 0.719 s | cpu/wall 10.74 3 | 22 | G2 | +6 | +6 | ok | 15795577 | 0.082 | 193145600 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 | cpu 0.828 s | cpu/wall 10.13 4 | 23 | C7 | -12 | -12 | ok | 9278057 | 0.073 | 127645380 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 | cpu 0.797 s | cpu/wall 10.96 5 | 23 | D2 | -14 | -14 | ok | 7773316 | 0.060 | 130533126 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 | cpu 0.453 s | cpu/wall 7.61 6 | 24 | B2 | +6 | +6 | ok | 160111717 | 0.604 | 265053778 | B2 C1 G5 H4 H6 G4 B1 A6 A8 A1 B8 B7 | cpu 6.656 s | cpu/wall 11.02 7 | 24 | B3 | -8 | -8 | ok | 29210261 | 0.174 | 167530708 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 | cpu 1.734 s | cpu/wall 9.95 8 | 25 | G2 | +4 | +4 | ok | 11721731 | 0.066 | 177126615 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 | cpu 0.469 s | cpu/wall 7.08 9 | 25 | F6 | +28 | +28 | ok | 138288496 | 0.581 | 237959244 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 | cpu 6.641 s | cpu/wall 11.43 10 | 26 | E1 | +16 | +16 | ok | 128499088 | 0.582 | 220974014 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 | cpu 5.875 s | cpu/wall 10.10 11 | 26 | D8 | +10 | +10 | ok | 344286183 | 1.700 | 202521534 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 | cpu 19.375 s | cpu/wall 11.40 12 | 27 | E2 | +6 | +6 | ok | 127726837 | 0.605 | 211241270 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 | cpu 6.859 s | cpu/wall 11.34 13 | 27 | A3 | +0 | +0 | ok | 303608485 | 1.268 | 239474777 | A3 F2 E1 F1 C2 B1 B3 C1 G2 A2 G7 E8 | cpu 14.375 s | cpu/wall 11.34 14 | 28 | D8 | -2 | -2 | ok | 1173986907 | 4.606 | 254859363 | D8 B6 D7 C2 A5 A3 G2 E8 B4 C8 C1 G8 | cpu 51.906 s | cpu/wall 11.27 15 | 28 | C7 | -2 | -2 | ok | 1810293620 | 7.374 | 245482397 | C7 G6 G5 F6 G4 C8 B7 E2 B8 H6 H5 H4 | cpu 84.562 s | cpu/wall 11.47 16 | 29 | G6 | +0 | +0 | ok | 4784595606 | 20.431 | 234186646 | G6 H7 C1 F2 G2 G8 F8 H1 H8 H2 G4 H5 | cpu 234.547 s | cpu/wall 11.48 17 | 29 | H5 | +2 | +2 | ok | 489059970 | 2.883 | 169644406 | H5 H4 H3 D8 C8 C7 E8 G8 G4 G3 F8 B8 | cpu 32.578 s | cpu/wall 11.30 18 | 30 | A6 | -10 | -10 | ok | 1006828663 | 4.039 | 249277069 | A6 B5 B4 E2 F2 E1 G1 D2 C3 F1 D1 A3 | cpu 45.781 s | cpu/wall 11.33 19 | 30 | G1 | +4 | +4 | ok | 629002744 | 3.178 | 197912165 | G1 F2 H3 D8 C8 D7 E8 H5 H6 H7 H2 G6 | cpu 36.375 s | cpu/wall 11.45 20 | 34 | H4 | +64 | +64 | ok | 5775422 | 0.082 | 70429299 | H4 G8 E8 B7 B5 B4 B8 PS A5 A4 A8 A7 | cpu 0.453 s | cpu/wall 5.53 total: 20 solved, 20 ok, 0 wrong | nodes 11199025101 | time 48.500 s | 230909112 N/s | cpu 551.344 s | cpu/wall 11.37 | reset 0.000 s