FlipMind benchmark result (2026-11-13) Platform: ARM64 build, Apple M4 (10 cores), macOS Engine: FlipMind 1.0.0 (266d864, arm64) Problems: FFO 33-51 (FFO endgame tests #33-#51, 19 positions, 20-27 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: 19/19 Average: 5.668 s (rounds: 5.825 / 5.863 / 5.316) [Raw engine output] === round 1 === FlipMind 1.0 path=arm64 neon compiler=Apple LLVM 21.0.0 (clang-2100.3.34.2) | /macbench2/bench-sets/ffo33-51.fm.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 | A3 | -8 | -8 | ok | 8332747 | 0.104 | 79900695 | A3 C7 E7 C6 B2 B3 A5 H2 A4 H8 G2 G8 2 | 20 | C2 | -2 | -2 | ok | 4118183 | 0.041 | 100790517 | C2 D2 A3 A2 E1 D1 E2 F1 B1 A6 B7 A8 3 | 21 | C7 | +0 | +0 | ok | 1933619 | 0.023 | 85034422 | C7 B8 D8 E8 H8 H7 G8 H1 F8 B7 G1 F1 4 | 21 | B7 | +0 | +0 | ok | 6419221 | 0.044 | 147134646 | B7 E1 C1 A8 C7 B8 G6 C8 D8 F8 E8 H7 5 | 22 | G2 | -20 | -20 | ok | 13755242 | 0.069 | 197992049 | G2 G4 H4 H1 B7 H6 H5 H3 H2 G6 F7 A8 6 | 24 | B2 | +4 | +4 | ok | 14675606 | 0.100 | 147254763 | B2 C8 H2 G2 A5 A7 H1 G1 D7 D8 E8 B7 7 | 26 | B1 | +64 | +64 | ok | 6839318 | 0.091 | 75489821 | B1 PS A8 PS D8 E8 F8 C8 B8 B7 E7 F6 8 | 20 | A2 | +38 | +38 | ok | 10669612 | 0.034 | 315787340 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 9 | 22 | H4 | +0 | +0 | ok | 12280936 | 0.064 | 192698304 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 10 | 22 | G2 | +6 | +6 | ok | 16822508 | 0.088 | 191235854 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 11 | 23 | C7 | -12 | -12 | ok | 8918288 | 0.107 | 82999327 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 12 | 23 | D2 | -14 | -14 | ok | 7572266 | 0.069 | 109054808 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 13 | 24 | B2 | +6 | +6 | ok | 157366388 | 0.661 | 238069798 | B2 C1 G5 H4 H6 G4 B1 A1 A6 B7 G2 H1 14 | 24 | B3 | -8 | -8 | ok | 29494269 | 0.179 | 164505132 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 15 | 25 | G2 | +4 | +4 | ok | 11870891 | 0.092 | 128821797 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 16 | 25 | F6 | +28 | +28 | ok | 133309515 | 0.678 | 196610430 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 17 | 26 | E1 | +16 | +16 | ok | 124875123 | 0.627 | 199167892 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 18 | 26 | D8 | +10 | +10 | ok | 347574098 | 2.002 | 173647697 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 19 | 27 | E2 | +6 | +6 | ok | 128862757 | 0.752 | 171259891 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 total: 19 solved, 19 ok, 0 wrong | nodes 1045690587 | time 5.825 s | 179513418 N/s === round 2 === FlipMind 1.0 path=arm64 neon compiler=Apple LLVM 21.0.0 (clang-2100.3.34.2) | /macbench2/bench-sets/ffo33-51.fm.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 | E7 | -8 | -8 | ok | 5910605 | 0.047 | 125240491 | E7 C7 G2 H2 B2 B3 C6 A1 A4 A6 A5 H8 2 | 20 | C2 | -2 | -2 | ok | 3859951 | 0.025 | 154102414 | C2 D2 A3 A2 E1 D1 E2 F1 B1 A6 B7 A8 3 | 21 | C7 | +0 | +0 | ok | 1965228 | 0.017 | 116324687 | C7 B8 D8 E8 H8 H7 G8 H1 F8 B7 G1 F1 4 | 21 | B7 | +0 | +0 | ok | 6140158 | 0.039 | 157325150 | B7 E1 C1 A8 C7 B8 G6 C8 D8 F8 E8 H7 5 | 22 | G2 | -20 | -20 | ok | 13762659 | 0.072 | 191510894 | G2 G4 H4 H1 B7 H6 H5 H3 H2 G6 F7 A8 6 | 24 | B2 | +4 | +4 | ok | 14433864 | 0.094 | 152772173 | B2 C8 H2 G2 A5 A7 H1 G1 D7 D8 E8 B7 7 | 26 | B1 | +64 | +64 | ok | 6864833 | 0.093 | 73439754 | B1 PS A8 PS D8 E8 F8 C8 B8 B7 E7 F6 8 | 20 | A2 | +38 | +38 | ok | 10737194 | 0.034 | 316635254 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 9 | 22 | H4 | +0 | +0 | ok | 12370876 | 0.067 | 184635575 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 10 | 22 | G2 | +6 | +6 | ok | 16123099 | 0.094 | 171021470 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 11 | 23 | C7 | -12 | -12 | ok | 9167628 | 0.076 | 121178031 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 12 | 23 | B8 | -14 | -14 | ok | 9504172 | 0.070 | 135448648 | B8 G5 D2 A3 B7 A8 A7 C8 G7 G8 H6 H5 13 | 24 | B2 | +6 | +6 | ok | 156525153 | 0.701 | 223391509 | B2 C1 G5 H4 H6 G4 B1 A6 A8 A1 B8 B7 14 | 24 | B3 | -8 | -8 | ok | 28162202 | 0.177 | 159514331 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 15 | 25 | G2 | +4 | +4 | ok | 11665279 | 0.073 | 160860555 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 16 | 25 | F6 | +28 | +28 | ok | 131210427 | 0.624 | 210115618 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 17 | 26 | E1 | +16 | +16 | ok | 126750548 | 0.760 | 166871497 | E1 H4 G6 G4 H5 G2 B2 H2 H3 B1 A1 A2 18 | 26 | D8 | +10 | +10 | ok | 342139920 | 2.086 | 164018383 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 19 | 27 | E2 | +6 | +6 | ok | 125192394 | 0.715 | 175192247 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 total: 19 solved, 19 ok, 0 wrong | nodes 1032486190 | time 5.863 s | 176091214 N/s === round 3 === FlipMind 1.0 path=arm64 neon compiler=Apple LLVM 21.0.0 (clang-2100.3.34.2) | /macbench2/bench-sets/ffo33-51.fm.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 | A3 | -8 | -8 | ok | 8701294 | 0.063 | 137961574 | A3 C7 B2 C6 B7 H2 B3 H8 E7 A4 A6 A8 2 | 20 | C2 | -2 | -2 | ok | 4198493 | 0.026 | 158985144 | C2 D2 A3 A2 E1 D1 E2 F1 B1 A6 B7 A8 3 | 21 | C7 | +0 | +0 | ok | 2013521 | 0.017 | 115361304 | C7 B8 D8 E8 H8 H7 G8 H1 F8 B7 G1 F1 4 | 21 | B7 | +0 | +0 | ok | 5840102 | 0.039 | 148225627 | B7 E1 C1 A8 C7 B8 G6 C8 D8 F8 E8 H7 5 | 22 | G2 | -20 | -20 | ok | 14255580 | 0.075 | 190756993 | G2 G4 H4 H1 B7 H6 H5 H3 H2 G6 F7 A8 6 | 24 | B2 | +4 | +4 | ok | 14436783 | 0.100 | 143797731 | B2 C8 H2 G2 A5 A7 H1 G1 D7 D8 E8 B7 7 | 26 | B1 | +64 | +64 | ok | 6860803 | 0.091 | 75209377 | B1 PS A8 PS D8 E8 F8 C8 B8 B7 E7 F6 8 | 20 | A2 | +38 | +38 | ok | 10513180 | 0.034 | 306598704 | A2 B1 C1 PS B6 C7 A7 B7 B8 D7 F8 C6 9 | 22 | H4 | +0 | +0 | ok | 12378100 | 0.068 | 183206681 | H4 A3 A2 G6 G5 G7 F8 H6 H3 H5 H8 H1 10 | 22 | G2 | +6 | +6 | ok | 16386569 | 0.091 | 179700690 | G2 H1 C2 G1 F1 D2 B2 A2 B6 C6 B5 A4 11 | 23 | C7 | -12 | -12 | ok | 9199681 | 0.069 | 132731739 | C7 H4 H5 B8 B7 A8 A7 A5 H3 H6 G3 A4 12 | 23 | D2 | -14 | -14 | ok | 7658129 | 0.055 | 139459097 | D2 G5 B8 A3 B7 A8 A7 C8 G7 G8 H6 H5 13 | 24 | B2 | +6 | +6 | ok | 157708198 | 0.659 | 239238660 | B2 C1 G5 H4 H6 G4 B1 A1 A6 B7 G2 H1 14 | 24 | B3 | -8 | -8 | ok | 29116731 | 0.166 | 174914875 | B3 H3 H2 C1 B1 A3 B7 G7 B6 B5 F8 H8 15 | 25 | G2 | +4 | +4 | ok | 12162304 | 0.075 | 162848107 | G2 B8 B7 A2 A5 B2 G3 H3 H2 G4 A1 A3 16 | 25 | F6 | +28 | +28 | ok | 133570963 | 0.603 | 221641755 | F6 G5 G3 F2 H4 H5 H3 G6 G2 A7 C1 D1 17 | 26 | E1 | +16 | +16 | ok | 128121206 | 0.615 | 208410260 | E1 H4 G6 G4 H5 G2 B2 B1 H3 H2 A1 A2 18 | 26 | D8 | +10 | +10 | ok | 342399252 | 1.822 | 187947189 | D8 E8 G8 H8 F2 G7 B7 A7 A6 A5 A2 A3 19 | 27 | E2 | +6 | +6 | ok | 124430499 | 0.647 | 192437504 | E2 H2 G7 F1 H1 H3 D1 C8 D8 G2 B7 D2 total: 19 solved, 19 ok, 0 wrong | nodes 1039951388 | time 5.316 s | 195623398 N/s