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 33-51 (FFO endgame tests #33-#51, 19 positions, 20-27 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: 19/19 Average: 5.198 s (rounds: 5.284 / 5.154 / 5.156) [Raw engine output] === round 1 === FlipMind 1.0 path=x86-64-v3 (avx2+bmi2) compiler=16.2.0 | bench/app/ffo33-51.txt | 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 | A3 | -8 | -8 | ok | 9166431 | 0.059 | 155801393 | A3 C7 B2 C6 B7 H2 B3 H8 E7 A4 A6 A8 | cpu 0.359 s | cpu/wall 6.11 2 | 20 | C2 | -2 | -2 | ok | 4011026 | 0.025 | 160957725 | C2 D2 A3 A2 E1 D1 E2 F1 B1 A6 B7 A8 | cpu 0.312 s | cpu/wall 12.54 3 | 21 | C7 | +0 | +0 | ok | 2011293 | 0.016 | 125593269 | C7 B8 D8 E8 H8 H7 G8 H1 F8 B7 G1 F1 | cpu 0.172 s | cpu/wall 10.73 4 | 21 | B7 | +0 | +0 | ok | 6321468 | 0.036 | 176877796 | B7 E1 C1 A8 C7 B8 G6 C8 D8 F8 E8 H7 | cpu 0.375 s | cpu/wall 10.49 5 | 22 | G2 | -20 | -20 | ok | 14653749 | 0.069 | 213218939 | G2 G4 H4 H1 B7 H6 H5 H3 H2 G6 F7 A8 | cpu 0.656 s | cpu/wall 9.55 6 | 24 | B2 | +4 | +4 | ok | 14592840 | 0.098 | 149550804 | B2 C8 H2 G2 A5 A7 H1 G1 D7 D8 E8 B7 | cpu 0.922 s | cpu/wall 9.45 7 | 26 | B1 | +64 | +64 | ok | 7029444 | 0.103 | 68399389 | B1 PS A8 PS D8 E8 F8 C8 B8 B7 E7 F6 | cpu 0.906 s | cpu/wall 8.82 8 | 20 | A2 | +38 | +38 | ok | 10749870 | 0.034 | 319749684 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 | cpu 0.250 s | cpu/wall 7.44 9 | 22 | H4 | +0 | +0 | ok | 12913411 | 0.064 | 201139975 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 | cpu 0.594 s | cpu/wall 9.25 10 | 22 | G2 | +6 | +6 | ok | 16826822 | 0.089 | 189324610 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 | cpu 0.672 s | cpu/wall 7.56 11 | 23 | C7 | -12 | -12 | ok | 9100116 | 0.079 | 115494243 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 | cpu 0.609 s | cpu/wall 7.73 12 | 23 | D2 | -14 | -14 | ok | 8167340 | 0.060 | 137038931 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 | cpu 0.641 s | cpu/wall 10.75 13 | 24 | B2 | +6 | +6 | ok | 159184328 | 0.595 | 267488333 | B2 C1 G5 H4 H6 G4 B1 A6 A8 A1 B8 B7 | cpu 6.812 s | cpu/wall 11.45 14 | 24 | B3 | -8 | -8 | ok | 28416143 | 0.159 | 178839987 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 | cpu 1.406 s | cpu/wall 8.85 15 | 25 | G2 | +4 | +4 | ok | 11380348 | 0.063 | 180954190 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 | cpu 0.500 s | cpu/wall 7.95 16 | 25 | F6 | +28 | +28 | ok | 136716476 | 0.630 | 216857675 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 | cpu 6.359 s | cpu/wall 10.09 17 | 26 | E1 | +16 | +16 | ok | 128683219 | 0.608 | 211520126 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 | cpu 6.234 s | cpu/wall 10.25 18 | 26 | D8 | +10 | +10 | ok | 346484738 | 1.807 | 191722098 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 | cpu 19.234 s | cpu/wall 10.64 19 | 27 | E2 | +6 | +6 | ok | 127809710 | 0.692 | 184822537 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 | cpu 6.750 s | cpu/wall 9.76 total: 19 solved, 19 ok, 0 wrong | nodes 1054218772 | time 5.284 s | 199506616 N/s | cpu 53.766 s | cpu/wall 10.17 | reset 0.000 s === round 2 === FlipMind 1.0 path=x86-64-v3 (avx2+bmi2) compiler=16.2.0 | bench/app/ffo33-51.txt | 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 | A3 | -8 | -8 | ok | 9029023 | 0.054 | 166690731 | A3 C7 B2 C6 B7 H2 B3 H8 E7 A4 A6 A8 | cpu 0.250 s | cpu/wall 4.62 2 | 20 | C2 | -2 | -2 | ok | 4155312 | 0.021 | 196045508 | C2 D2 A3 A2 E1 D1 E2 F1 B1 A6 B7 A8 | cpu 0.250 s | cpu/wall 11.79 3 | 21 | C7 | +0 | +0 | ok | 1996117 | 0.016 | 125963974 | C7 B8 D8 E8 H8 H7 G8 H1 F8 B7 G1 F1 | cpu 0.188 s | cpu/wall 11.83 4 | 21 | B7 | +0 | +0 | ok | 6196395 | 0.037 | 165362731 | B7 E1 C1 A8 C7 B8 G6 C8 D8 F8 E8 H7 | cpu 0.219 s | cpu/wall 5.84 5 | 22 | G2 | -20 | -20 | ok | 14648154 | 0.067 | 218862318 | G2 G4 H4 H1 B7 H6 H5 H3 H2 G6 F7 A8 | cpu 0.625 s | cpu/wall 9.34 6 | 24 | B2 | +4 | +4 | ok | 15037794 | 0.098 | 152796274 | B2 C8 H2 G2 A5 A7 H1 G1 D7 D8 E8 B7 | cpu 1.094 s | cpu/wall 11.11 7 | 26 | B1 | +64 | +64 | ok | 6945186 | 0.102 | 68212991 | B1 PS A8 PS D8 E8 F8 C8 B8 B7 E7 F6 | cpu 0.953 s | cpu/wall 9.36 8 | 20 | A2 | +38 | +38 | ok | 10624088 | 0.032 | 327358214 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 | cpu 0.359 s | cpu/wall 11.07 9 | 22 | H4 | +0 | +0 | ok | 12650628 | 0.066 | 192836769 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 | cpu 0.688 s | cpu/wall 10.48 10 | 22 | G2 | +6 | +6 | ok | 17138784 | 0.085 | 201582905 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 | cpu 0.641 s | cpu/wall 7.53 11 | 23 | C7 | -12 | -12 | ok | 9306445 | 0.072 | 128971276 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 | cpu 0.531 s | cpu/wall 7.36 12 | 23 | D2 | -14 | -14 | ok | 7920456 | 0.058 | 135965262 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 | cpu 0.406 s | cpu/wall 6.97 13 | 24 | B2 | +6 | +6 | ok | 160128621 | 0.642 | 249459249 | B2 C1 G5 H4 H6 G4 B1 A6 A8 A1 B8 B7 | cpu 6.750 s | cpu/wall 10.52 14 | 24 | B3 | -8 | -8 | ok | 28809356 | 0.160 | 179790202 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 | cpu 1.297 s | cpu/wall 8.09 15 | 25 | G2 | +4 | +4 | ok | 11512254 | 0.064 | 179250910 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 | cpu 0.672 s | cpu/wall 10.46 16 | 25 | F6 | +28 | +28 | ok | 138640542 | 0.602 | 230432873 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 | cpu 6.188 s | cpu/wall 10.28 17 | 26 | E1 | +16 | +16 | ok | 129867671 | 0.588 | 220932342 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 | cpu 6.312 s | cpu/wall 10.74 18 | 26 | D8 | +10 | +10 | ok | 344626397 | 1.761 | 195651298 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 | cpu 19.625 s | cpu/wall 11.14 19 | 27 | E2 | +6 | +6 | ok | 128334470 | 0.628 | 204423472 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 | cpu 6.453 s | cpu/wall 10.28 total: 19 solved, 19 ok, 0 wrong | nodes 1057567693 | time 5.154 s | 205178180 N/s | cpu 53.500 s | cpu/wall 10.38 | reset 0.000 s === round 3 === FlipMind 1.0 path=x86-64-v3 (avx2+bmi2) compiler=16.2.0 | bench/app/ffo33-51.txt | 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 | A3 | -8 | -8 | ok | 8891571 | 0.060 | 148832302 | A3 C7 B2 C6 B7 H2 B3 H8 E7 A4 A6 A8 | cpu 0.406 s | cpu/wall 6.80 2 | 20 | C2 | -2 | -2 | ok | 4219710 | 0.021 | 198516589 | C2 D2 A3 A2 E1 D1 E2 F1 B1 A6 B7 A8 | cpu 0.312 s | cpu/wall 14.70 3 | 21 | C7 | +0 | +0 | ok | 1991070 | 0.015 | 132471770 | C7 B8 D8 E8 H8 H7 G8 H1 F8 B7 G1 F1 | cpu 0.188 s | cpu/wall 12.47 4 | 21 | B7 | +0 | +0 | ok | 6185238 | 0.035 | 174319618 | B7 E1 C1 A8 C7 B8 G6 C8 D8 F8 E8 H7 | cpu 0.250 s | cpu/wall 7.05 5 | 22 | G2 | -20 | -20 | ok | 14292472 | 0.071 | 200604932 | G2 G4 H4 H1 B7 H6 H5 H3 H2 G6 F7 A8 | cpu 0.703 s | cpu/wall 9.87 6 | 24 | B2 | +4 | +4 | ok | 14740593 | 0.096 | 152984461 | B2 C8 H2 G2 A5 A7 H1 G1 D7 D8 E8 B7 | cpu 1.062 s | cpu/wall 11.03 7 | 26 | B1 | +64 | +64 | ok | 6964723 | 0.099 | 70108805 | B1 PS A8 PS D8 E8 F8 C8 B8 B7 E7 F6 | cpu 0.922 s | cpu/wall 9.28 8 | 20 | A2 | +38 | +38 | ok | 10850392 | 0.033 | 326710859 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 | cpu 0.250 s | cpu/wall 7.53 9 | 22 | H4 | +0 | +0 | ok | 12575007 | 0.062 | 202405384 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 | cpu 0.750 s | cpu/wall 12.07 10 | 22 | G2 | +6 | +6 | ok | 16924163 | 0.081 | 208173508 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 | cpu 0.812 s | cpu/wall 9.99 11 | 23 | C7 | -12 | -12 | ok | 9378844 | 0.072 | 131150662 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 | cpu 0.562 s | cpu/wall 7.87 12 | 23 | D2 | -14 | -14 | ok | 8143045 | 0.058 | 139606888 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 | cpu 0.703 s | cpu/wall 12.05 13 | 24 | B2 | +6 | +6 | ok | 159979178 | 0.619 | 258447801 | B2 C1 G5 H4 H6 G4 B1 A6 A8 A1 B8 B7 | cpu 6.266 s | cpu/wall 10.12 14 | 24 | B3 | -8 | -8 | ok | 29022534 | 0.166 | 175232563 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 | cpu 1.547 s | cpu/wall 9.34 15 | 25 | G2 | +4 | +4 | ok | 12066312 | 0.068 | 176458748 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 | cpu 0.500 s | cpu/wall 7.31 16 | 25 | F6 | +28 | +28 | ok | 136216303 | 0.593 | 229785456 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 | cpu 6.344 s | cpu/wall 10.70 17 | 26 | E1 | +16 | +16 | ok | 128486174 | 0.602 | 213381394 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 | cpu 6.422 s | cpu/wall 10.67 18 | 26 | D8 | +10 | +10 | ok | 342436565 | 1.754 | 195193539 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 | cpu 19.234 s | cpu/wall 10.96 19 | 27 | E2 | +6 | +6 | ok | 127319630 | 0.649 | 196280074 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 | cpu 6.812 s | cpu/wall 10.50 total: 19 solved, 19 ok, 0 wrong | nodes 1050683524 | time 5.156 s | 203783493 N/s | cpu 54.047 s | cpu/wall 10.48 | reset 0.000 s