FlipMind benchmark result (2026-11-13) Platform: ARM64 build, Apple M4 (10 cores), macOS Engine: FlipMind 1.0.0 (266d864, arm64) Problems: FFO 40-59 (FFO endgame tests #40-#59, 20 positions, 20-34 empties) Mode: BEST (best move and its exact score) Conditions: 10 threads, no book, engines alternated, 3 rounds Time: total solve time reported by the engine Correct: 20/20 Average: 60.107 s (rounds: 61.511 / 59.025 / 59.784) [Raw engine output] === round 1 === FlipMind 1.0 path=arm64 neon compiler=Apple LLVM 21.0.0 (clang-2100.3.34.2) | bench/ffo/fforum-40-59.obf | hash 1024 MB | threads 10 | mode best | eval /Downloads/personal(Local)/oc/flipmind/.claude/worktrees/release-1114-unify/eval/f8orb002-20261108/models/e1-std.fmw smt profile off (auto): threads 10, physical cores 10, logical cpus 10 | smt:prefetch_lazy=0 # | emp | move | score | want | ok | nodes | time s | N/s | pv 1 | 20 | A2 | +38 | +38 | ok | 10694493 | 0.042 | 252457100 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 2 | 22 | H4 | +0 | +0 | ok | 12297187 | 0.074 | 167276615 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 3 | 22 | G2 | +6 | +6 | ok | 16621117 | 0.091 | 182141161 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 4 | 23 | C7 | -12 | -12 | ok | 9159408 | 0.085 | 107983448 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 5 | 23 | B8 | -14 | -14 | ok | 9836396 | 0.071 | 139125622 | B8 G5 D2 A3 B7 A8 A7 C8 G7 G8 H6 H5 6 | 24 | B2 | +6 | +6 | ok | 159617504 | 0.666 | 239563601 | B2 C1 G5 H4 H6 G4 B1 A6 A8 A1 B8 B7 7 | 24 | B3 | -8 | -8 | ok | 29136993 | 0.176 | 165962506 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 8 | 25 | G2 | +4 | +4 | ok | 12465996 | 0.072 | 173154063 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 9 | 25 | F6 | +28 | +28 | ok | 131653482 | 0.647 | 203622325 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 10 | 26 | E1 | +16 | +16 | ok | 126877167 | 0.637 | 199332676 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 11 | 26 | D8 | +10 | +10 | ok | 336366225 | 1.826 | 184237402 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 12 | 27 | E2 | +6 | +6 | ok | 125959552 | 0.696 | 181029580 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 13 | 27 | A3 | +0 | +0 | ok | 281531741 | 1.441 | 195404543 | A3 F2 E1 F1 C2 B1 B3 C1 G2 A2 G7 E8 14 | 28 | D8 | -2 | -2 | ok | 1202301401 | 5.727 | 209936510 | D8 B6 D7 C2 A5 A3 G2 E8 B4 C8 C1 G8 15 | 28 | C7 | -2 | -2 | ok | 1776122051 | 10.134 | 175257005 | C7 G6 G5 F6 G4 C8 B7 E2 B8 H6 H5 H4 16 | 29 | G6 | +0 | +0 | ok | 4889347201 | 28.491 | 171607561 | G6 H7 C1 F2 G2 G8 F8 H1 H8 H2 G4 H5 17 | 29 | H5 | +2 | +2 | ok | 473150974 | 2.832 | 167092692 | H5 H4 H3 D8 C8 C7 E8 G8 G4 G3 F8 B8 18 | 30 | A6 | -10 | -10 | ok | 970142021 | 4.395 | 220743822 | A6 B5 B4 E2 F2 E1 G1 D2 C3 F1 D1 A3 19 | 30 | G1 | +4 | +4 | ok | 618697274 | 3.332 | 185686539 | G1 F2 H3 D8 C8 D7 E8 H5 H6 H7 H2 G6 20 | 34 | H4 | +64 | +64 | ok | 4896122 | 0.078 | 62886726 | H4 G8 E8 B7 B5 B4 B8 PS A5 A4 A8 A7 total: 20 solved, 20 ok, 0 wrong | nodes 11196874305 | time 61.511 s | 182030455 N/s === round 2 === FlipMind 1.0 path=arm64 neon compiler=Apple LLVM 21.0.0 (clang-2100.3.34.2) | bench/ffo/fforum-40-59.obf | hash 1024 MB | threads 10 | mode best | eval /Downloads/personal(Local)/oc/flipmind/.claude/worktrees/release-1114-unify/eval/f8orb002-20261108/models/e1-std.fmw smt profile off (auto): threads 10, physical cores 10, logical cpus 10 | smt:prefetch_lazy=0 # | emp | move | score | want | ok | nodes | time s | N/s | pv 1 | 20 | A2 | +38 | +38 | ok | 10711943 | 0.042 | 255394388 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 2 | 22 | H4 | +0 | +0 | ok | 12435074 | 0.061 | 202572236 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 3 | 22 | G2 | +6 | +6 | ok | 16664253 | 0.080 | 208068436 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 4 | 23 | C7 | -12 | -12 | ok | 9061262 | 0.066 | 137413211 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 5 | 23 | D2 | -14 | -14 | ok | 7474369 | 0.051 | 145758157 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 6 | 24 | B2 | +6 | +6 | ok | 157816181 | 0.618 | 255188018 | B2 C1 G5 H4 H6 G4 B1 A1 A6 B7 G2 H1 7 | 24 | B3 | -8 | -8 | ok | 28320841 | 0.165 | 171902049 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 8 | 25 | G2 | +4 | +4 | ok | 12757750 | 0.072 | 177864034 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 9 | 25 | F6 | +28 | +28 | ok | 134090297 | 0.545 | 245813304 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 10 | 26 | E1 | +16 | +16 | ok | 126590073 | 0.536 | 236327421 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 11 | 26 | D8 | +10 | +10 | ok | 343020731 | 1.676 | 204685980 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 12 | 27 | E2 | +6 | +6 | ok | 126734884 | 0.635 | 199681602 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 13 | 27 | A3 | +0 | +0 | ok | 285397142 | 1.943 | 146863655 | A3 F2 E1 F1 C2 B1 B3 C1 G2 A2 G7 E8 14 | 28 | D8 | -2 | -2 | ok | 1084935680 | 5.633 | 192595429 | D8 B6 D7 C2 A5 A3 G2 E8 B4 C8 C1 G8 15 | 28 | C7 | -2 | -2 | ok | 1750193927 | 8.597 | 203588571 | C7 G6 G5 F6 G4 C8 B7 E2 B8 H6 H5 H4 16 | 29 | G6 | +0 | +0 | ok | 4885490035 | 25.297 | 193127110 | G6 H7 C1 F2 G2 G8 F8 H1 H8 H2 G4 H5 17 | 29 | H5 | +2 | +2 | ok | 586494576 | 3.639 | 161171466 | H5 H4 H3 D8 C8 C7 E8 G8 G4 G3 F8 B8 18 | 30 | A6 | -10 | -10 | ok | 944680836 | 4.870 | 193969217 | A6 B5 B4 E2 F2 E1 G1 D2 C3 F1 D1 A3 19 | 30 | G1 | +4 | +4 | ok | 619619138 | 4.365 | 141962166 | G1 F2 H3 D8 C8 D7 E8 H5 H6 H7 H2 G6 20 | 34 | H4 | +64 | +64 | ok | 6142846 | 0.134 | 45789681 | H4 G8 E8 B7 B5 B4 B8 PS A5 A4 A8 A7 total: 20 solved, 20 ok, 0 wrong | nodes 11148631838 | time 59.025 s | 188878993 N/s === round 3 === FlipMind 1.0 path=arm64 neon compiler=Apple LLVM 21.0.0 (clang-2100.3.34.2) | bench/ffo/fforum-40-59.obf | hash 1024 MB | threads 10 | mode best | eval /Downloads/personal(Local)/oc/flipmind/.claude/worktrees/release-1114-unify/eval/f8orb002-20261108/models/e1-std.fmw smt profile off (auto): threads 10, physical cores 10, logical cpus 10 | smt:prefetch_lazy=0 # | emp | move | score | want | ok | nodes | time s | N/s | pv 1 | 20 | A2 | +38 | +38 | ok | 10653727 | 0.098 | 108726524 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 2 | 22 | H4 | +0 | +0 | ok | 12175045 | 0.424 | 28699040 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 3 | 22 | G2 | +6 | +6 | ok | 16703110 | 0.168 | 99362946 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 4 | 23 | C7 | -12 | -12 | ok | 9323835 | 0.166 | 56110866 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 5 | 23 | D2 | -14 | -14 | ok | 8046418 | 0.118 | 68036325 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 6 | 24 | B2 | +6 | +6 | ok | 157068517 | 1.051 | 149414622 | B2 C1 G5 H4 H6 G4 B1 A1 A6 B7 G2 H1 7 | 24 | B3 | -8 | -8 | ok | 28211117 | 0.275 | 102433316 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 8 | 25 | G2 | +4 | +4 | ok | 11612996 | 0.113 | 102525396 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 9 | 25 | F6 | +28 | +28 | ok | 131808793 | 0.875 | 150669946 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 10 | 26 | E1 | +16 | +16 | ok | 126067016 | 0.732 | 172297992 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 11 | 26 | D8 | +10 | +10 | ok | 343399772 | 2.192 | 156639846 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 12 | 27 | E2 | +6 | +6 | ok | 124821049 | 0.876 | 142479772 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 13 | 27 | A3 | +0 | +0 | ok | 277534632 | 1.991 | 139415905 | A3 F2 E1 F1 C2 B1 B3 C1 G2 A2 G7 E8 14 | 28 | D8 | -2 | -2 | ok | 1099269995 | 5.283 | 208084793 | D8 B6 D7 C2 A5 A3 G2 E8 B4 C8 C1 G8 15 | 28 | C7 | -2 | -2 | ok | 1764384238 | 8.424 | 209447275 | C7 G6 G5 F6 G4 C8 B7 E2 B8 H6 H5 H4 16 | 29 | G6 | +0 | +0 | ok | 4814077088 | 24.420 | 197136244 | G6 H7 C1 F2 G2 G8 F8 H1 H8 H2 G4 H5 17 | 29 | H5 | +2 | +2 | ok | 487406012 | 3.175 | 153524205 | H5 H4 H3 D8 C8 C7 E8 G8 G4 G3 F8 B8 18 | 30 | A6 | -10 | -10 | ok | 961886051 | 5.054 | 190303586 | A6 B5 B4 E2 F2 E1 G1 D2 C3 F1 D1 A3 19 | 30 | G1 | +4 | +4 | ok | 614452482 | 4.263 | 144138709 | G1 F2 H3 D8 C8 D7 E8 H5 H6 H7 H2 G6 20 | 34 | H4 | +64 | +64 | ok | 5406223 | 0.085 | 63605897 | H4 G8 E8 B7 B5 B4 B8 PS A5 A4 A8 A7 total: 20 solved, 20 ok, 0 wrong | nodes 11004308116 | time 59.784 s | 184067040 N/s