Protej Chess Engine
Protej Chess Engine
alexNew official release.
It includes all updates released with the dev versions after Protej 0.6.5:
Non-functional changes:
It includes also:
Non-functional changes:
Rank Name Elo + - games score oppo. draws 1 Senpai 2.0 105 12 12 2500 68% -17 31% 2 Deep iCE 4.0.853 x64/popcnt 100 12 12 2500 67% -17 30% 3 Texel 1.07 96 12 12 2500 66% -17 27% 4 SlowChess Blitz Classic 1.8 89 12 12 2500 65% -17 30% 5 Wasp 3.75 86 12 12 2500 65% -17 30% 6 Hannibal 1.7 x64 68 12 12 2500 62% -17 28% 7 Protector 1.9.0 66 12 12 2500 62% -17 27% 8 Vajolet2 2.8.0 56 11 11 2500 61% -17 31% 9 Weiss 1.3 54 12 12 2500 60% -17 29% 10 Counter 4.0 42 11 11 2500 58% -17 31% 11 Cheng 4.41 35 12 12 2500 57% -17 27% 12 Mr Bob v1.1.0 35 11 11 2500 58% -17 31% 13 Berserk 4.1.0 30 11 11 2500 57% -17 37% 14 Combusken 1.2.0 8 11 11 2500 54% -17 30% 15 Invictus r382 8 11 11 2500 54% -17 35% 16 Monolith 2 6 11 11 2500 53% -17 32% 17 Stash v28.0 5 11 11 2500 53% -17 29% 18 Tucano 9.00 -11 11 11 2500 51% -17 32% 19 Protej 0.6.6 -17 2 2 70000 47% 1 29% 20 Koivisto 64 4.0 -18 11 11 2500 50% -17 30% 21 Polaris 1.8.1 -18 11 11 2500 50% -17 31% 22 Minic 2.33 -40 11 11 2500 47% -17 29% 23 Naum 4.6 -51 12 12 2500 45% -17 27% 24 FabChess v1.16 -52 11 11 2500 45% -17 32% 25 Winter 0.8 SSE4.2 -53 12 12 2500 45% -17 26% 26 Cheese 3.1.1 -63 11 11 2500 44% -17 29% 27 PeSTO 2.210 -80 12 12 2500 41% -17 25% 28 GOOB 1.8.9 -123 12 12 2500 36% -17 25% 29 bright-0.4a -365 17 17 2500 13% -17 8% Pool of 28 engines, average CCRL rating 3095, TC=4"+0.1, Little Blitzer testing framework STC Total: 70000 W: 22795 L: 27040 D: 20165 Elo: +84 vs Protej 0.6.5
Rank Name Elo + - games score oppo. draws 1 Protej 0.6.6 31 4 4 21000 59% -31 26% 2 Protej 0.6.5 -31 4 4 21000 41% 31 26% Selfplay vs. Protej 0.6.5, TC=4"+0.1, Little Blitzer testing framework STC Total: 21000 W: 9639 L: 5963 D: 5398 Elo: +62 vs Protej 0.6.5
Rank Name Elo + - games score oppo. draws 1 Protector 1.9.0 98 50 50 107 55% 64 42% 2 Winter 0.8 SSE4.2 97 50 50 107 55% 64 40% 3 Weiss 1.3 83 49 49 107 53% 64 44% 4 Vajolet2 2.8.0 72 49 49 107 51% 64 43% 5 Wasp 3.75 72 48 48 107 51% 64 50% 6 Deep iCE 4.0.853 x64/popcnt 70 49 49 107 51% 64 48% 7 Protej 0.6.6 64 10 10 3000 57% -3 39% 8 Senpai 2.0 59 49 49 107 49% 64 44% 9 SlowChess Blitz Classic 1.8 58 52 52 107 49% 64 33% 10 Texel 1.07 57 50 50 107 49% 64 40% 11 Hannibal 1.7 x64 57 52 52 107 49% 64 31% 12 Koivisto 64 4.0 50 49 49 107 48% 64 47% 13 Invictus r382 46 49 49 107 48% 64 45% 14 Combusken 1.2.0 44 47 47 107 47% 64 56% 15 Berserk 4.1.0 41 49 49 108 47% 64 44% 16 Mr Bob v1.1.0 36 49 49 107 46% 64 45% 17 Counter 4.0 31 48 48 107 45% 64 49% 18 Cheng 4.41 20 50 50 108 44% 64 41% 19 Stash v28.0 3 48 48 107 41% 64 51% 20 Minic 2.33 3 49 49 107 41% 64 46% 21 Tucano 9.00 -4 52 52 107 41% 64 30% 22 FabChess v1.16 -8 49 49 107 39% 64 47% 23 GOOB 1.8.9 -24 51 51 107 38% 64 33% 24 Naum 4.6 -27 50 50 107 37% 64 40% 25 Monolith 2 -29 52 52 107 37% 64 30% 26 Polaris 1.8.1 -46 52 52 107 36% 64 28% 27 PeSTO 2.210 -77 53 53 107 31% 64 27% 28 Cheese 3.1.1 -119 53 53 108 25% 64 29% 29 bright-0.4a -726 273 273 108 0% 64 0% Pool of 20 engines, average CCRL rating 3095, TC=2'+1" (CCRL Blitz), Little Blitzer testing framework LTC Total: 3000 W: 1124 L: 697 D: 1179 Elo: 3159 (CCRL Blitz scale)
alexMassive optimization of types, variables, and data structures; introduction of new assembler functions. Non-functional change: improved printing related to compilation date. Debug: in console, the function displaying the position now indicates values in centipawns instead of pawns. Rank Name Elo + - games score oppo. draws 1 Senpai 2.0 114 12 12 2250 69% -24 29% 2 Deep iCE 4.0.853 x64/popcnt 100 12 12 2250 67% -24 28% 3 SlowChess Blitz Classic 1.8 91 12 12 2250 66% -24 30% 4 Texel 1.07 86 12 12 2250 65% -24 27% 5 Wasp 3.75 86 12 12 2250 66% -24 30% 6 Protector 1.9.0 74 12 12 2250 64% -24 27% 7 Hannibal 1.7 x64 65 12 12 2250 63% -24 28% 8 Vajolet2 2.8.0 52 12 12 2250 61% -24 31% 9 Berserk 4.1.0 50 12 12 2250 61% -24 35% 10 Weiss 1.3 50 12 12 2250 60% -24 28% 11 Counter 4.0 49 12 12 2250 61% -24 31% 12 Cheng 4.41 28 12 12 2250 57% -24 27% 13 Mr Bob v1.1.0 16 12 12 2250 56% -24 30% 14 Stash v28.0 9 12 12 2250 55% -24 31% 15 Combusken 1.2.0 1 12 12 2250 54% -24 29% 16 Monolith 2 0 12 12 2250 53% -24 32% 17 Tucano 9.00 -1 12 12 2250 53% -24 30% 18 Invictus r382 -1 12 12 2250 53% -24 36% 19 Polaris 1.8.1 -16 12 12 2250 51% -24 31% 20 Koivisto 64 4.0 -21 12 12 2250 50% -24 30% 21 Protej dev_20231226b -24 2 2 63000 46% 1 29% 22 Minic 2.33 -29 12 12 2250 49% -24 28% 23 Naum 4.6 -46 12 12 2250 47% -24 28% 24 Winter 0.8 SSE4.2 -47 12 12 2250 47% -24 26% 25 FabChess v1.16 -49 12 12 2250 46% -24 31% 26 Cheese 3.1.1 -65 12 12 2250 44% -24 31% 27 PeSTO 2.210 -92 12 12 2250 41% -24 23% 28 GOOB 1.8.9 -110 12 12 2250 38% -24 28% 29 bright-0.4a -369 17 17 2250 13% -24 8% Pool of 28 engines, average CCRL rating 3096, TC=4"+0.1, Little Blitzer testing framework STC Total: 63000 W: 19942 L: 24987 D: 18071 Elo: +8 vs Protej dev_202311212a
alexParameter tuning for reduction handling in singular nodes. Rank Name Elo + - games score oppo. draws 1 Deep iCE 4.0.853 x64/popcnt 87 14 14 1750 67% -32 30% 2 Senpai 2.0 86 14 14 1750 67% -32 31% 3 SlowChess Blitz Classic 1.8 85 14 14 1750 66% -32 30% 4 Wasp 3.75 69 14 14 1750 64% -32 31% 5 Texel 1.07 68 14 14 1750 64% -32 30% 6 Hannibal 1.7 x64 55 14 14 1750 62% -32 30% 7 Protector 1.9.0 47 14 14 1750 61% -32 28% 8 Counter 4.0 47 14 14 1750 61% -32 31% 9 Weiss 1.3 44 14 14 1750 61% -32 30% 10 Vajolet2 2.8.0 43 14 14 1750 61% -32 33% 11 Berserk 4.1.0 30 13 13 1750 59% -32 39% 12 Mr Bob v1.1.0 22 14 14 1750 58% -32 32% 13 Cheng 4.41 22 14 14 1750 57% -32 29% 14 Combusken 1.2.0 10 14 14 1750 56% -32 31% 15 Stash v28.0 2 14 14 1750 55% -32 30% 16 Monolith 2 -8 14 14 1750 53% -32 32% 17 Invictus r382 -13 13 13 1750 53% -32 39% 18 Koivisto 64 4.0 -20 13 13 1750 52% -32 32% 19 Tucano 9.00 -29 14 14 1750 50% -32 31% 20 Minic 2.33 -30 14 14 1750 50% -32 29% 21 Polaris 1.8.1 -31 14 14 1750 50% -32 31% 22 Protej dev_20231212a -32 3 3 49000 45% 1 30% 23 FabChess v1.16 -52 13 13 1750 47% -32 32% 24 Winter 0.8 SSE4.2 -57 14 14 1750 46% -32 25% 25 Naum 4.6 -70 14 14 1750 45% -32 28% 26 PeSTO 2.210 -76 14 14 1750 44% -32 23% 27 Cheese 3.1.1 -81 14 14 1750 43% -32 28% 28 bright-0.4a -96 14 14 1750 41% -32 26% 29 GOOB 1.8.9 -123 14 14 1750 38% -32 26% Pool of 28 engines, average CCRL rating 3096, TC=4"+0.1, Little Blitzer testing framework STC Total: 49000 W: 14786 L: 19410 D: 14804 Elo: +8 vs Protej dev_20231129d
alexRemoval of certain data structures, replaced by calculation functions. Refinement of the outpost evaluation function. Introduction of the singular extension. Rank Name Elo + - games score oppo. draws 1 Deep iCE 4.0.853 x64/popcnt 97 14 14 1800 69% -40 30% 2 Senpai 2.0 94 14 14 1800 69% -40 30% 3 Texel 1.07 86 14 14 1800 67% -40 27% 4 SlowChess Blitz Classic 1.8 83 14 14 1800 67% -40 31% 5 Wasp 3.75 71 14 14 1800 66% -40 30% 6 Protector 1.9.0 53 14 14 1800 63% -40 29% 7 Hannibal 1.7 x64 50 14 14 1800 63% -40 28% 8 Counter 4.0 50 13 13 1800 63% -40 31% 9 Weiss 1.3 40 14 14 1800 61% -40 29% 10 Vajolet2 2.8.0 37 13 13 1800 61% -40 34% 11 Berserk 4.1.0 26 13 13 1800 60% -40 37% 12 Cheng 4.41 25 14 14 1800 59% -40 27% 13 Mr Bob v1.1.0 16 13 13 1800 58% -40 32% 14 Combusken 1.2.0 14 14 14 1800 58% -40 28% 15 Monolith 2 -5 13 13 1800 55% -40 33% 16 Invictus r382 -8 13 13 1800 55% -40 38% 17 Stash v28.0 -10 13 13 1800 54% -40 30% 18 Koivisto 64 4.0 -17 13 13 1800 53% -40 32% 19 Polaris 1.8.1 -17 13 13 1800 53% -40 33% 20 Tucano 9.00 -30 13 13 1800 52% -40 32% 21 Protej dev_20231129d -40 3 3 50400 44% 1 30% 22 Minic 2.33 -41 13 13 1800 50% -40 29% 23 Naum 4.6 -56 13 13 1800 48% -40 28% 24 FabChess v1.16 -59 13 13 1800 47% -40 31% 25 Winter 0.8 SSE4.2 -64 14 14 1800 47% -40 26% 26 PeSTO 2.210 -86 14 14 1800 44% -40 24% 27 Cheese 3.1.1 -93 13 13 1800 42% -40 32% 28 bright-0.4a -99 14 14 1800 42% -40 26% 29 GOOB 1.8.9 -117 14 14 1800 39% -40 27% Pool of 28 engines, average CCRL rating 3096, TC=4"+0.1, Little Blitzer testing framework STC Total: 50400 W: 14632 L: 20601 D: 15167 Elo: +28 vs Protej dev_20231118d
alexSearch functions: parameter tuning, code optimization, and improved execution speed. Rank Name Elo + - games score oppo. draws 1 Deep iCE 4.0.853 x64/popcnt 89 19 19 1000 72% -68 29% 2 SlowChess Blitz Classic 1.8 82 19 19 1000 71% -68 27% 3 Senpai 2.0 82 19 19 1000 71% -68 29% 4 Texel 1.07 81 19 19 1000 71% -68 27% 5 Protector 1.9.0 58 19 19 1000 67% -68 27% 6 Hannibal 1.7 x64 57 19 19 1000 67% -68 27% 7 Counter 4.0 57 19 19 1000 67% -68 28% 8 Vajolet2 2.8.0 46 18 18 1000 66% -68 31% 9 Wasp 3.75 43 18 18 1000 66% -68 30% 10 Berserk 4.1.0 41 18 18 1000 66% -68 35% 11 Weiss 1.3 32 18 18 1000 64% -68 29% 12 Cheng 4.41 23 18 18 1000 62% -68 26% 13 Monolith 2 15 18 18 1000 62% -68 31% 14 Combusken 1.2.0 4 18 18 1000 60% -68 29% 15 Invictus r382 3 18 18 1000 60% -68 34% 16 Mr Bob v1.1.0 3 18 18 1000 60% -68 28% 17 Stash v28.0 1 18 18 1000 60% -68 30% 18 Koivisto 64 4.0 -1 18 18 1000 59% -68 30% 19 Polaris 1.8.1 -12 18 18 1000 58% -68 33% 20 Tucano 9.00 -19 18 18 1000 57% -68 29% 21 Minic 2.33 -29 18 18 1000 55% -68 29% 22 FabChess v1.16 -60 18 18 1000 51% -68 33% 23 Protej dev_20231118d -68 3 3 28000 40% 2 29% 24 Naum 4.6 -68 18 18 1000 50% -68 30% 25 Winter 0.8 SSE4.2 -75 18 18 1000 49% -68 27% 26 bright-0.4a -81 18 18 1000 48% -68 29% 27 PeSTO 2.210 -87 18 18 1000 47% -68 25% 28 Cheese 3.1.1 -94 18 18 1000 46% -68 29% 29 GOOB 1.8.9 -125 18 18 1000 42% -68 24% Pool of 28 engines, average CCRL rating 3096, TC=4"+0.1, Little Blitzer testing framework STC Total: 28000 W: 7164 L: 12684 D: 8152 Elo: +11 vs Protej dev_20231108c
alexCode restructuring with grouping of types, constants, and global functions. Optimization of tapered scores handling routines. Rank Name Elo + - games score oppo. draws 1 Senpai 2.0 98 16 16 1450 74% -79 27% 2 Texel 1.07 93 16 16 1450 73% -79 23% 3 Deep iCE 4.0.853 x64/popcnt 81 16 16 1450 72% -79 27% 4 Wasp 3.75 76 16 16 1450 71% -79 27% 5 SlowChess Blitz Classic 1.8 62 16 16 1450 70% -79 29% 6 Protector 1.9.0 59 16 16 1450 69% -79 26% 7 Hannibal 1.7 x64 53 16 16 1450 68% -79 26% 8 Counter 4.0 50 15 15 1450 68% -79 31% 9 Vajolet2 2.8.0 48 15 15 1450 68% -79 32% 10 Weiss 1.3 46 16 16 1450 67% -79 27% 11 Berserk 4.1.0 38 15 15 1450 67% -79 33% 12 Mr Bob v1.1.0 21 15 15 1450 64% -79 27% 13 Cheng 4.41 10 15 15 1450 62% -79 26% 14 Monolith 2 2 15 15 1450 62% -79 31% 15 Combusken 1.2.0 2 15 15 1450 61% -79 28% 16 Invictus r382 -4 15 15 1450 61% -79 34% 17 Koivisto 64 4.0 -8 15 15 1450 60% -79 30% 18 Stash v28.0 -9 15 15 1450 60% -79 30% 19 Minic 2.33 -27 15 15 1450 57% -79 28% 20 Tucano 9.00 -27 15 15 1450 57% -79 30% 21 Polaris 1.8.1 -28 15 15 1450 57% -79 31% 22 FabChess v1.16 -52 15 15 1450 54% -79 33% 23 Naum 4.6 -56 15 15 1450 53% -79 28% 24 Winter 0.8 SSE4.2 -71 15 15 1450 51% -79 26% 25 Cheese 3.1.1 -73 15 15 1450 51% -79 28% 26 Protej dev_20231108c -79 3 3 40600 39% 3 28% 27 bright-0.4a -94 15 15 1450 48% -79 26% 28 PeSTO 2.210 -99 15 15 1450 47% -79 24% 29 GOOB 1.8.9 -115 15 15 1450 45% -79 24% Pool of 28 engines, average CCRL rating 3096, TC=4"+0.1, Little Blitzer testing framework STC Total: 40600 W: 9960 L: 19200 D: 11440 Elo: +11 vs Protej dev_20230919a
alex
alexRetest of version dev_20230919a. Rank Name Elo + - games score oppo. draws 1 Deep iCE 4.0.853 x64/popcnt 91 21 21 929 74% -90 19% 2 Senpai 2.0 86 21 21 928 73% -90 21% 3 Protector 1.9.0 80 21 21 928 73% -90 23% 4 Wasp 3.75 78 21 21 927 73% -90 23% 5 Counter 4.0 72 21 21 929 72% -90 22% 6 Texel 1.07 68 21 21 928 71% -90 21% 7 SlowChess Blitz Classic 1.8 66 20 20 928 72% -90 28% 8 Vajolet2 2.8.0 61 20 20 927 71% -90 26% 9 Weiss 1.3 60 20 20 927 71% -90 24% 10 Hannibal 1.7 x64 54 20 20 929 70% -90 23% 11 Berserk 4.1.0 31 19 19 930 67% -90 30% 12 Mr Bob v1.1.0 25 20 20 929 65% -90 20% 13 Invictus r382 21 19 19 929 66% -90 29% 14 Cheng 4.41 14 20 20 930 65% -90 25% 15 Combusken 1.2.0 -7 20 20 929 61% -90 22% 16 Monolith 2 -7 19 19 929 62% -90 27% 17 Stash v28.0 -11 19 19 928 61% -90 27% 18 Koivisto 64 4.0 -21 20 20 929 59% -90 23% 19 Minic 2.33 -28 19 19 929 59% -90 25% 20 Polaris 1.8.1 -34 19 19 928 58% -90 24% 21 Tucano 9.00 -39 19 19 928 57% -90 26% 22 FabChess v1.16 -68 19 19 929 53% -90 29% 23 Winter 0.8 SSE4.2 -70 19 19 927 53% -90 23% 24 PeSTO 2.210 -77 19 19 928 52% -90 23% 25 Naum 4.6 -77 19 19 929 52% -90 24% 26 Cheese 3.1.1 -81 19 19 930 51% -90 27% 27 Protej dev_20230919a -90 4 4 26000 37% 3 24% 28 bright-0.4a -92 19 19 930 50% -90 23% 29 GOOB 1.8.9 -106 19 19 929 48% -90 24% Pool of 28 engines, average CCRL rating 3096, TC=4"+0.1, Little Blitzer testing framework STC Total: 26000 W: 6513 L: 13157 D: 6330 Elo: +11 vs Protej 0.6.5 (recalculated)
alexSearch parameters tuned. Rank Name Elo + - games score oppo. draws 1 Mr Bob v1.1.0 214 16 16 1400 64% 112 21% 2 Tucano 9.00 175 16 16 1400 59% 112 26% 3 Cheese 3.1.1 122 16 16 1400 51% 112 25% 4 Protej dev_20230919a 112 4 4 28000 65% -6 21% 5 PeSTO 2.210 102 16 16 1400 49% 112 23% 6 bright-0.4a 96 16 16 1400 48% 112 22% 7 Berserk 3.3.0 83 16 16 1400 46% 112 29% 8 Quazar 0.4 x64 55 16 16 1400 42% 112 23% 9 Cheese 3.0.0 54 16 16 1400 42% 112 23% 10 Daydreamer 2.0.0-pre2 (2.0.0-pre2-dirty-97e5c32) 41 16 16 1400 40% 112 24% 11 Spike 1.4 7 16 16 1400 35% 112 24% 12 Leorik 2.3 -25 17 17 1400 31% 112 23% 13 Arminius 2018-12-23 -32 17 17 1400 30% 112 23% 14 Pawny 1.2.x64.SSE4.2 -34 17 17 1400 30% 112 21% 15 GreKo 2021.06 -39 17 17 1400 30% 112 20% 16 K2 v.0.99 -47 17 17 1400 29% 112 21% 17 odonata v0.6.2 -75 17 17 1400 25% 112 20% 18 Coiled 1.1 x64 -159 20 20 1400 17% 112 14% 19 Devel 3.8.4 -187 20 20 1400 14% 112 15% 20 The Baron 3.44.1 64-bits version -204 21 21 1400 13% 112 13% 21 SmarThink 1.98 -258 24 24 1400 11% 112 7% Pool of 20 engines, average CCRL rating 2910, TC=4"+0.1, Little Blitzer testing framework STC Total: 28000 W: 15196 L: 6973 D: 5831 Elo: +9 vs Protej dev_20230918a
alexEvaluation of attacked, defended and undefended pieces optimized. Rank Name Elo + - games score oppo. draws 1 Mr Bob v1.1.0 219 16 16 1400 66% 103 21% 2 Tucano 9.00 181 16 16 1400 61% 103 24% 3 Cheese 3.1.1 110 16 16 1400 51% 103 26% 4 PeSTO 2.210 104 16 16 1400 50% 103 21% 5 Protej dev_20230918a 103 4 4 28000 64% -5 21% 6 Berserk 3.3.0 100 15 15 1400 50% 103 30% 7 bright-0.4a 92 16 16 1400 48% 103 23% 8 Cheese 3.0.0 55 16 16 1400 43% 103 25% 9 Quazar 0.4 x64 53 16 16 1400 43% 103 23% 10 Daydreamer 2.0.0-pre2 (2.0.0-pre2-dirty-97e5c32) 44 16 16 1400 42% 103 24% 11 Spike 1.4 -6 16 16 1400 35% 103 22% 12 Pawny 1.2.x64.SSE4.2 -23 16 16 1400 32% 103 25% 13 Leorik 2.3 -37 17 17 1400 31% 103 23% 14 Arminius 2018-12-23 -41 17 17 1400 30% 103 24% 15 GreKo 2021.06 -42 17 17 1400 31% 103 20% 16 K2 v.0.99 -52 17 17 1400 29% 103 22% 17 odonata v0.6.2 -76 17 17 1400 26% 103 20% 18 Coiled 1.1 x64 -152 19 19 1400 19% 103 15% 19 Devel 3.8.4 -179 20 20 1400 15% 103 17% 20 The Baron 3.44.1 64-bits version -214 21 21 1400 13% 103 12% 21 SmarThink 1.98 -236 22 22 1400 13% 103 9% Pool of 20 engines, average CCRL rating 2910, TC=4"+0.1, Little Blitzer testing framework STC Total: 28000 W: 14829 L: 7184 D: 5987 Elo: +8 vs Protej 0.6.5
alexNew official release.
Includes all updates from dev versions from a to k:
Non-functional changes:
Rank Name Elo + - games score oppo. draws 1 Mr Bob v1.1.0 215 14 14 2000 67% 95 22% 2 Tucano 9.00 173 13 13 2000 61% 95 25% 3 PeSTO 2.210 128 13 13 2000 55% 95 24% 4 Cheese 3.1.1 109 13 13 2000 52% 95 27% 5 bright-0.4a 107 13 13 2000 52% 95 23% 6 Protej 0.6.5 95 3 3 40000 63% -5 22% 7 Berserk 3.3.0 88 13 13 2000 49% 95 27% 8 Cheese 3.0.0 54 13 13 2000 44% 95 27% 9 Quazar 0.4 x64 54 13 13 2000 44% 95 23% 10 Daydreamer 2.0.0-pre2 (2.0.0-pre2-dirty-97e5c32) 39 13 13 2000 42% 95 25% 11 Spike 1.4 3 13 13 2000 37% 95 26% 12 Leorik 2.3 -31 14 14 2000 32% 95 24% 13 GreKo 2021.06 -36 14 14 2000 32% 95 21% 14 Pawny 1.2.x64.SSE4.2 -37 14 14 2000 32% 95 23% 15 Arminius 2018-12-23 -50 14 14 2000 30% 95 22% 16 K2 v.0.99 -55 14 14 2000 30% 95 22% 17 odonata v0.6.2 -72 14 14 2000 28% 95 20% 18 Coiled 1.1 x64 -160 16 16 2000 18% 95 16% 19 Devel 3.8.4 -173 16 16 2000 17% 95 16% 20 The Baron 3.44.1 64-bits version -203 17 17 2000 15% 95 14% 21 SmarThink 1.98 -249 19 19 2000 12% 95 9% Pool of 20 engines, average CCRL rating 2910, TC=4"+0.1, Little Blitzer testing framework STC Total: 40000 W: 20680 L: 10610 D: 8710 Elo: +125 vs Protej 0.6.4
Rank Name Elo + - games score oppo. draws 1 Protej 0.6.5 74 6 6 10000 70% -74 30% 2 Protej 0.6.4 -74 6 6 10000 30% 74 30% Selfplay vs. Protej 0.6.4, TC=4"+0.1, Little Blitzer testing framework STC Total: 10000 W: 5550 L: 1491 D: 2959 Elo: +148 vs Protej 0.6.4
Rank Name Elo + - games score oppo. draws 1 Mr Bob v1.1.0 244 48 48 150 61% 158 20% 2 Protej 0.6.5 158 11 11 3000 71% -8 24% 3 Tucano 9.00 152 45 45 150 49% 158 37% 4 Berserk 3.3.0 144 45 45 150 48% 158 33% 5 PeSTO 2.210 114 45 45 150 43% 158 35% 6 bright-0.4a 88 46 46 150 40% 158 34% 7 Quazar 0.4 x64 68 47 47 150 37% 158 28% 8 Spike 1.4 27 48 48 150 32% 158 29% 9 Daydreamer 2.0.0-pre2 (2.0.0-pre2-dirty-97e5c32) 24 48 48 150 32% 158 25% 10 Cheese 3.1.1 23 49 49 150 32% 158 21% 11 Devel 3.8.4 5 49 49 150 30% 158 22% 12 The Baron 3.44.1 64-bits version 1 49 49 150 28% 158 26% 13 Cheese 3.0.0 -40 51 51 150 24% 158 21% 14 Arminius 2018-12-23 -55 51 51 150 22% 158 23% 15 GreKo 2021.06 -77 53 53 150 20% 158 20% 16 Pawny 1.2.x64.SSE4.2 -84 53 53 150 19% 158 21% 17 K2 v.0.99 -95 54 54 150 18% 158 21% 18 Coiled 1.1 x64 -105 55 55 150 17% 158 19% 19 Leorik 2.3 -118 56 56 150 15% 158 20% 20 odonata v0.6.2 -147 61 61 150 15% 158 12% 21 SmarThink 1.98 -328 92 92 150 5% 158 5% Pool of 20 engines, average CCRL rating 2910, TC=2'+1" (CCRL Blitz), Little Blitzer testing framework LTC Total: 3000 W: 1767 L: 527 D: 706 Elo: 3068 (CCRL Blitz scale)