Contents: CCRL 40/15 Downloads and Statistics September 12, 2020 Testing summary: Total: 1'176'587 games played by 2'711 programs White wins: 405'649 (34.5%) Black wins: 299'651 (25.5%) Draws: 471'287 (40.1%) White score: 54.5%

## Engine Details

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Chiron 1.5 64-bit 4CPU (3046+19
−19
)Quote
 Author: Ubaldo Farina
This is one of the 12 Chiron versions we tested: Compare them!
 Opponent Elo Diff Results Score LOS Perf –   Houdini 3 64-bit 4CPU 3231 +13−13 (+185) 8 − 33(+2−27=12) 19.5%8.0 / 41 0.0% −33 0 0 = 0 = 0 1 0 0 0 0 0 0 0 0 0 0 = 0 1 0 = = 0 0 0 0 0 = 0 0 = 0 = 0 = 0 = 0 = = –   Komodo 6 64-bit 4CPU 3211 +17−17 (+165) 8.5 − 21.5(+3−16=11) 28.3%8.5 / 30 0.0% +20 0 = 0 0 0 = 0 0 0 1 0 0 0 1 0 = 0 = 1 = 0 = = = = 0 0 0 = = –   Stockfish 4 64-bit 4CPU 3206 +16−16 (+160) 8.5 − 21.5(+0−13=17) 28.3%8.5 / 30 0.0% +35 0 0 0 0 = = 0 = = = = = 0 = = 0 = 0 0 0 0 = = = = = = 0 0 = –   Komodo 5.1 64-bit 4CPU 3202 +20−20 (+156) 8.5 − 19.5(+1−12=15) 30.4%8.5 / 28 0.0% +40 0 = = 0 0 0 0 = 0 = = = 0 0 = = 0 1 0 0 = = = = = = = 0 –   Stockfish 3 64-bit 4CPU 3166 +21−21 (+120) 1 − 1(+1−1=0) 50.0%1.0 / 2 0.0% +120 0 1 –   Critter 1.6a 64-bit 4CPU 3159 +8−8 (+113) 12 − 22(+3−13=18) 35.3%12.0 / 34 0.0% +29 = 1 0 = 0 = 0 = = 0 = 0 = 0 = = = 0 = = = 0 = 0 = 1 0 1 0 0 = = 0 = –   Rybka 4.1 64-bit 4CPU 3144 +9−9 (+98) 13.5 − 20.5(+4−11=19) 39.7%13.5 / 34 0.0% +36 = = = = 0 = = 0 0 1 = 0 0 1 0 1 = = 0 1 = = 0 = 0 = = = = = 0 = 0 = –   Gull 2.3 64-bit 4CPU 3142 +17−17 (+96) 11.5 − 18.5(+1−8=21) 38.3%11.5 / 30 0.0% +34 = = 0 0 = = = = = 0 = = 0 0 = = = = = 0 = = 1 = 0 = = = 0 = –   Stockfish 2.3.1 64-bit 4CPU 3142 +19−19 (+96) 13 − 17(+5−9=16) 43.3%13.0 / 30 0.0% +56 = = = 0 0 0 0 = = = = 0 1 0 0 0 1 = 0 = 1 = = = = 1 = 1 = = –   Bouquet 1.5 64-bit 4CPU 3132 +23−23 (+86) 0.5 − 1.5(+0−1=1) 25.0%0.5 / 2 0.0% −71 0 = –   Vitruvius 1.11C 64-bit 4CPU 3118 +14−14 (+72) 10 − 22(+2−14=16) 31.3%10.0 / 32 0.0% −43 = 0 = = = 0 = 0 = 0 = = 0 0 = = = 0 0 = = 0 = 0 = 0 1 0 0 = 1 0 –   IvanHoe 9.46h 64-bit 4CPU 3113 +14−14 (+67) 11.5 − 21.5(+3−13=17) 34.8%11.5 / 33 0.0% −19 = 0 0 = 1 = 1 0 0 = 0 0 0 0 = = = = = 0 1 0 0 0 = = = = = = 0 = = –   RobboLito 0.21Q 64-bit 4CPU 3111 +22−22 (+65) 10 − 23(+3−16=14) 30.3%10.0 / 33 0.0% −60 = 0 0 = = = 0 = 0 = = 1 0 = 0 1 = = 0 0 0 0 0 1 0 0 0 0 = = = = 0 –   Sting SF 3 64-bit 4CPU 3109 +21−21 (+63) 11.5 − 20.5(+2−11=19) 35.9%11.5 / 32 0.0% −15 = = = = = 0 = = = = 1 = 0 = = 0 0 = = 1 0 = 0 = = 0 0 = 0 = 0 0 –   Bouquet 1.6 64-bit 4CPU 3108 +21−21 (+62) 10.5 − 21.5(+2−13=17) 32.8%10.5 / 32 0.0% −39 0 = = = = = 0 0 0 = 0 0 = 0 0 = 0 = = 1 = = 0 = 0 0 = = = 0 1 = –   Komodo 5 64-bit 3108 +11−11 (+62) 2 − 4(+1−3=2) 33.3%2.0 / 6 0.0% −48 0 1 = 0 0 = –   Sting SF 2 64-bit 4CPU 3108 +27−27 (+62) 12.5 − 17.5(+2−7=21) 41.7%12.5 / 30 0.0% +18 = = = 0 = = 0 = = = 1 = = 0 = = 0 = 0 = = = = = 0 1 = = = 0 –   Strelka 5.5 64-bit 3103 +6−7 (+57) 2.5 − 4.5(+2−4=1) 35.7%2.5 / 7 0.0% −56 = 1 0 1 0 0 0 –   Hannibal 1.4b 64-bit 4CPU 3077 +15−15 (+31) 13 − 17(+5−9=16) 43.3%13.0 / 30 0.6% −8 = = = 1 0 = 0 0 0 = = 0 0 = 0 = 0 = = = = 1 = 0 1 = = 1 1 = –   Deep Fritz 14 64-bit 4CPU 3072 +16−16 (+26) 15.5 − 14.5(+7−6=17) 51.7%15.5 / 30 1.9% +37 = 0 1 1 1 = 1 0 = = = 0 = = = = 0 0 = 1 1 = 0 1 = = = = = = –   Naum 4.2 64-bit 4CPU 3061 +10−10 (+15) 14.5 − 18.5(+5−9=19) 43.9%14.5 / 33 8.7% −20 = = 0 1 0 = = = = 0 = = = 1 0 = 0 1 0 = = = = 1 = 1 = = = 0 0 0 = –   Protector 1.5.0 64-bit 4CPU 3056 +18−18 (+10) 14 − 20(+4−10=20) 41.2%14.0 / 34 23.9% −41 = = 0 1 1 = = = = = 0 1 0 = 0 = = 1 = = = = 0 0 0 0 0 = = = = = 0 = –   Hiarcs 14 4CPU 3054 +13−13 (+8) 15 − 17(+9−11=12) 46.9%15.0 / 32 25.6% −10 1 = 1 = = 0 0 = 0 = 1 0 1 = 1 0 = = = 0 1 0 0 1 0 0 = = 0 1 = 1 –   Gull R375 64-bit 4CPU 3039 +22−22 (−7) 17 − 15(+9−7=16) 53.1%17.0 / 32 70.7% +12 = = = 1 = = 1 1 = = = 1 0 0 1 = = 0 = 1 1 = 0 1 = = = = 0 0 1 0 –   Deep Fritz 13 4CPU 3034 +16−16 (−12) 15.5 − 14.5(+7−6=17) 51.7%15.5 / 30 83.3% −3 0 0 1 1 0 = 0 = = = = = = = = = = = = 1 1 1 0 = = = 0 1 = 1 –   Hannibal 1.3 64-bit 4CPU 3033 +22−22 (−13) 22.5 − 13.5(+13−4=19) 62.5%22.5 / 36 82.7% +60 = = = 1 1 = = 1 0 1 0 1 = = = 0 = 1 1 = 1 = = 1 = 1 0 = 1 = 1 = = = = 1 –   Deep Junior Yokohama 64-bit 4CPU 3024 +16−16 (−22) 5.5 − 4.5(+2−1=7) 55.0%5.5 / 10 95.8% +5 = = 0 = = 1 = 1 = = –   Deep Shredder 12 64-bit 4CPU 3018 +10−10 (−28) 2 − 3(+2−3=0) 40.0%2.0 / 5 99.6% −113 0 0 1 0 1 –   Deep Junior 13.3 64-bit 4CPU 3018 +18−18 (−28) 17.5 − 16.5(+7−6=21) 51.5%17.5 / 34 98.4% −19 = = = 1 1 = = = = 1 1 1 = = 0 = = = 0 0 = = 1 = 1 0 0 = = = = = 0 = –   Spike 1.4 Leiden 4CPU 3016 +11−11 (−30) 15 − 17(+5−7=20) 46.9%15.0 / 32 99.7% −48 1 0 = = = 0 1 = = = = = = 0 0 0 = = = = = = 1 0 = 0 1 = 1 = = = –   Protector 1.4.0 64-bit 4CPU 2982 +19−19 (−64) 1 − 1(+0−0=2) 50.0%1.0 / 2 100.0% −64 = = –   Spark 1.0 64-bit 4CPU 2969 +13−13 (−77) 1.5 − 0.5(+1−0=1) 75.0%1.5 / 2 100.0% +65 = 1 –   Zappa Mexico II 64-bit 4CPU 2968 +10−10 (−78) 1.5 − 0.5(+1−0=1) 75.0%1.5 / 2 100.0% +64 1 = –   Onno 1.2.70 64-bit 4CPU 2933 +19−19 (−113) 1.5 − 0.5(+1−0=1) 75.0%1.5 / 2 100.0% +44 = 1 –   Ethereal 8.62 64-bit 4CPU 2931 +22−22 (−115) 11.5 − 4.5(+8−1=7) 71.9%11.5 / 16 100.0% +21 1 = = 1 = 1 1 1 1 1 0 1 = = = = –   Thinker 5.4d Inert 64-bit 4CPU 2926 +22−23 (−120) 1.5 − 0.5(+1−0=1) 75.0%1.5 / 2 100.0% +37 = 1 –   Toga II 3.0 4CPU 2919 +22−22 (−127) 1 − 1(+1−1=0) 50.0%1.0 / 2 100.0% −127 1 0 –   Bright 0.5c 4CPU 2890 +22−23 (−156) 3.5 − 0.5(+3−0=1) 87.5%3.5 / 4 100.0% +133 1 = 1 1 –   Tornado 4.88 64-bit 4CPU 2885 +26−26 (−161) 3.5 − 0.5(+3−0=1) 87.5%3.5 / 4 100.0% +127 1 1 = 1 –   MinkoChess 1.3 64-bit 4CPU 2885 +21−21 (−161) 2.5 − 1.5(+1−0=3) 62.5%2.5 / 4 100.0% −93 1 = = = –   Scorpio 2.7.5 64-bit 4CPU 2860 +33−33 (−186) 2 − 0(+2−0=0) 100.0%2.0 / 2 100.0% +INF 1 1 –   Gaviota 0.86 64-bit 4CPU 2859 +24−24 (−187) 1.5 − 0.5(+1−0=1) 75.0%1.5 / 2 100.0% −44 1 = –   Crafty 23.4 64-bit 4CPU 2858 +34−34 (−188) 2 − 0(+2−0=0) 100.0%2.0 / 2 100.0% +INF 1 1 –   BugChess2 1.9 64-bit 4CPU 2838 +21−21 (−208) 3 − 1(+2−0=2) 75.0%3.0 / 4 100.0% −65 = 1 1 = –   Jonny 4.00 4CPU 2815 +25−25 (−231) 1.5 − 0.5(+1−0=1) 75.0%1.5 / 2 100.0% −73 1 =

### Rating changes by day ### Rating changes with played games Created in 2005-2013 by CCRL team Last games added on September 12, 2020
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