Opponent | Elo | Diff | Results | Score | LOS | Perf |
– Houdini 2.0c 32-bit | 3101 | +14 −13 | (+196) | 5.5 − 24.5 (+3−22=5) | 18.3% 5.5 / 30 | 0.0% | −57 |
1 0 0 0 0 0 1 0 = 0 = 0 0 0 0 = 1 0 0 0 0 = 0 0 0 0 0 0 = 0 |
– Houdini 1.5a 32-bit | 3088 | +12 −12 | (+183) | 6 − 24 (+1−19=10) | 20.0% 6.0 / 30 | 0.0% | −22 |
0 = 0 = = 0 0 = 0 0 0 = = = 0 0 0 0 1 0 = 0 0 0 0 0 = = 0 0 |
– Strelka 5.5 32-bit | 3086 | +15 −15 | (+181) | 7 − 23 (+2−18=10) | 23.3% 7.0 / 30 | 0.0% | −3 |
1 = 0 0 = 0 = 0 1 = = 0 = 0 = 0 0 0 0 0 0 0 = 0 0 0 = 0 = 0 |
– Strelka 5.1 32-bit | 3080 | +15 −15 | (+175) | 7.5 − 24.5 (+4−21=7) | 23.4% 7.5 / 32 | 0.0% | −25 |
0 0 0 0 0 1 = = 0 0 0 0 0 = 1 1 0 0 0 0 = = 0 = 1 0 0 0 0 = 0 0 |
– Critter 1.4 32-bit | 3072 | +14 −13 | (+167) | 9.5 − 20.5 (+1−12=17) | 31.7% 9.5 / 30 | 0.0% | +61 |
= = 0 = 0 = 0 0 = 0 = = = = = 0 0 = = 0 1 0 = 0 0 = = 0 = = |
– Critter 1.6 32-bit | 3067 | +19 −19 | (+162) | 7.5 − 24.5 (+1−18=13) | 23.4% 7.5 / 32 | 0.0% | −10 |
0 = = = = = 0 = 0 0 0 0 = 0 0 0 = = 0 0 = = 0 0 0 = 0 1 0 = 0 0 |
– Critter 1.6a 32-bit | 3067 | +16 −16 | (+162) | 10 − 22 (+3−15=14) | 31.3% 10.0 / 32 | 0.0% | +43 |
0 0 1 0 0 = = = 0 = = 0 0 = 0 = 0 0 0 = = 0 1 1 = = 0 = = 0 0 = |
– Alfil 15.7 64-bit | 3057 | +13 −13 | (+152) | 2 − 4 (+0−2=4) | 33.3% 2.0 / 6 | 0.0% | +57 |
= = 0 = 0 = |
– Stockfish 2.2.2 32-bit | 3049 | +14 −14 | (+144) | 6.5 − 23.5 (+2−19=9) | 21.7% 6.5 / 30 | 0.0% | −56 |
0 0 = 0 = 0 0 0 = 0 0 = = = 1 0 1 0 = = 0 0 0 0 0 0 = 0 0 0 |
– Komodo 5 32-bit | 3046 | +16 −16 | (+141) | 7 − 25 (+2−20=10) | 21.9% 7.0 / 32 | 0.0% | −55 |
0 1 0 0 0 = 0 0 0 = 0 0 0 0 0 = = 0 0 0 0 = 0 1 = 0 0 = = = 0 = |
– Stockfish 2.3.1 32-bit | 3039 | +17 −17 | (+134) | 9 − 23 (+2−16=14) | 28.1% 9.0 / 32 | 0.0% | −3 |
0 = = = 0 0 0 0 0 0 1 0 0 0 0 1 0 = 0 0 0 = = = = 0 = = = = = = |
– Komodo 4 32-bit | 3032 | +16 −16 | (+127) | 12.5 − 17.5 (+4−9=17) | 41.7% 12.5 / 30 | 0.0% | +81 |
0 = = 0 0 = 0 = = = 0 0 0 = 1 = 1 = = = 1 0 = = = 1 = 0 = = |
– Rybka 4.1 32-bit | 3029 | +12 −12 | (+124) | 12.5 − 17.5 (+4−9=17) | 41.7% 12.5 / 30 | 0.0% | +77 |
1 0 = = = 0 = = 0 = = 0 0 0 1 = 1 1 = = 0 0 = = = = = = 0 = |
– Vitruvius 1.11C 32-bit | 3029 | +15 −14 | (+124) | 10 − 20 (+2−12=16) | 33.3% 10.0 / 30 | 0.0% | +26 |
0 = = 0 0 0 = = 1 0 0 = = 0 = = = = = 0 = 0 = 0 1 0 = = 0 = |
– IvanHoe 9.46h 32-bit | 3022 | +13 −13 | (+117) | 11 − 19 (+3−11=16) | 36.7% 11.0 / 30 | 0.0% | +41 |
0 = 0 0 1 = 1 = = = = = = 0 0 = 1 = = = 0 0 = = 0 0 = 0 = 0 |
– Komodo 3 32-bit | 3022 | +14 −14 | (+117) | 6.5 − 23.5 (+3−20=7) | 21.7% 6.5 / 30 | 0.0% | −92 |
= = = 0 0 0 0 0 = = 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 = 0 = |
– DeepSaros 2.3j 32-bit | 3020 | +15 −15 | (+115) | 7 − 23 (+1−17=12) | 23.3% 7.0 / 30 | 0.0% | −59 |
= 0 = 0 0 0 0 0 = = = 0 = 0 = 0 0 = 0 = = 0 0 0 0 0 1 = = 0 |
– Bouquet 1.5 32-bit | 3009 | +18 −17 | (+104) | 10.5 − 21.5 (+3−14=15) | 32.8% 10.5 / 32 | 0.0% | 0 |
= = = 0 1 0 = 0 0 1 = = 0 0 = = = 0 0 = 0 = 0 = = = 0 0 0 1 0 = |
– Sting SF 2 32-bit | 3002 | +17 −17 | (+97) | 8 − 24 (+1−17=14) | 25.0% 8.0 / 32 | 0.0% | −62 |
0 0 = 0 0 = 0 0 1 = = 0 = = = = 0 = 0 = 0 = 0 = 0 = 0 0 0 0 = 0 |
– DeepSaros 3.0 32-bit | 2998 | +18 −18 | (+93) | 10 − 22 (+3−15=14) | 31.3% 10.0 / 32 | 0.0% | −26 |
1 = 0 0 0 = = = 0 1 = = 0 = 0 0 = = 0 0 0 = 1 = = 0 0 0 = = 0 0 |
– Gull R375 64-bit | 2986 | +19 −19 | (+81) | 0 − 4 (+0−4=0) | 0.0% 0.0 / 4 | 0.0% | −INF |
0 0 0 0 |
– Gull II b2 32-bit | 2981 | +18 −18 | (+76) | 12 − 20 (+4−12=16) | 37.5% 12.0 / 32 | 0.0% | 0 |
0 = = 0 = = 1 = 0 = 1 = = 0 0 = 0 = = 0 = 0 0 0 1 1 = 0 0 = = = |
– Hiarcs 14 | 2960 | +10 −10 | (+55) | 14 − 18 (+7−11=14) | 43.8% 14.0 / 32 | 0.0% | +17 |
= 0 = 1 = 1 = = 0 0 1 = = 1 0 = = = 0 1 1 0 0 1 = = = = 0 0 0 0 |
– Fritz 13 | 2959 | +11 −11 | (+54) | 10 − 22 (+3−15=14) | 31.3% 10.0 / 32 | 0.0% | −64 |
1 = 0 = = 0 = = 0 0 = = 0 0 = = 0 = = 0 0 0 0 = 1 0 0 0 = = 0 1 |
– Naum 4.2 32-bit | 2958 | +10 −10 | (+53) | 12 − 18 (+5−11=14) | 40.0% 12.0 / 30 | 0.0% | −10 |
0 = = 0 = = 1 = = 0 = = = 1 0 1 = = 0 0 1 0 = 0 = 0 0 0 = 1 |
– Hakkapeliitta 3.0 64-bit | 2953 | +12 −12 | (+48) | 4 − 6 (+2−4=4) | 40.0% 4.0 / 10 | 0.0% | −15 |
= 0 1 1 0 = = 0 0 = |
– Deep Sjeng c't 2010 | 2940 | +10 −10 | (+35) | 14 − 16 (+6−8=16) | 46.7% 14.0 / 30 | 0.0% | +15 |
1 = 1 0 = = = = 0 = = 0 = = 0 1 = 1 = = = 0 0 = = 0 1 = 1 0 |
– Chiron 1.5 32-bit | 2939 | +16 −16 | (+34) | 14.5 − 17.5 (+7−10=15) | 45.3% 14.5 / 32 | 0.1% | +7 |
= = 0 1 = = = = = 1 = 1 0 0 1 0 = 1 0 = 0 = = 1 0 0 0 = = 0 = 1 |
– Deep Shredder 12 64-bit | 2938 | +9 −10 | (+33) | 1.5 − 2.5 (+1−2=1) | 37.5% 1.5 / 4 | 0.0% | −49 |
= 1 0 0 |
– Chiron 1.1a 32-bit | 2930 | +14 −15 | (+25) | 14 − 16 (+6−8=16) | 46.7% 14.0 / 30 | 0.6% | +4 |
= 1 = 1 1 = = 0 = 1 1 = 1 = = = = = 0 = = 0 = 0 0 0 0 = = 0 |
– Shredder 12 32-bit | 2928 | +7 −8 | (+23) | 27.5 − 32.5 (+10−15=35) | 45.8% 27.5 / 60 | 0.2% | 0 |
0 = = 0 = = 0 0 = 1 1 0 = = 1 0 = 0 1 = 0 = 1 = = = 1 0 1 0 1 1 = 0 = 0 = = = = = = 0 0 = = = = 0 = = = = = = 1 = = = = |
– Spike 1.4 Leiden | 2914 | +8 −8 | (+9) | 15 − 15 (+8−8=14) | 50.0% 15.0 / 30 | 13.9% | +11 |
1 = 1 = 0 = = 0 0 = 1 0 1 = = 0 = 1 1 = = = 1 0 = = 0 0 1 = |
– Rybka 2.3.2a 32-bit | 2912 | +9 −9 | (+7) | 14.5 − 15.5 (+7−8=15) | 48.3% 14.5 / 30 | 21.9% | −2 |
1 = = 0 1 = 0 = = = = = = 1 = = = 1 1 0 1 0 = = 0 0 1 = 0 0 |
– Amoeba 2.6 64-bit | 2911 | +20 −20 | (+6) | 5 − 3 (+3−1=4) | 62.5% 5.0 / 8 | 32.6% | +79 |
= = 0 = = 1 1 1 |
– Deep Junior 13.3 32-bit | 2908 | +14 −15 | (+3) | 15 − 17 (+8−10=14) | 46.9% 15.0 / 32 | 38.3% | −16 |
0 0 1 1 = = = = = = 0 1 = = = 1 0 = 0 0 1 0 0 0 0 = 1 1 = = = 1 |
– Protector 1.4.0 64-bit | 2899 | +14 −14 | (−6) | 1.5 − 2.5 (+1−2=1) | 37.5% 1.5 / 4 | 71.3% | −101 |
0 0 = 1 |
– Spark 1.0 64-bit | 2892 | +12 −12 | (−13) | 2.5 − 1.5 (+1−0=3) | 62.5% 2.5 / 4 | 92.4% | +46 |
= = 1 = |
– Gogobello 2.1 64-bit | 2890 | +19 −19 | (−15) | 8.5 − 3.5 (+6−1=5) | 70.8% 8.5 / 12 | 89.5% | +121 |
= 1 = 1 1 1 = = = 0 1 1 |
– Arasan 18.2 64-bit | 2886 | +29 −29 | (−19) | 6 − 4 (+3−1=6) | 60.0% 6.0 / 10 | 87.6% | +36 |
= = = 1 0 1 1 = = = |
– Gull 1.0a 32-bit | 2885 | +12 −12 | (−20) | 14 − 16 (+6−8=16) | 46.7% 14.0 / 30 | 98.6% | −36 |
= 0 1 = 1 = = 0 1 = = = 1 = 1 0 0 = = = 0 = 0 0 = 0 = = 1 = |
– Quazar 0.4 32-bit | 2879 | +12 −12 | (−26) | 17.5 − 16.5 (+9−8=17) | 51.5% 17.5 / 34 | 99.8% | −19 |
= 1 1 = = = = = = = = = = 1 = 0 0 1 = 0 0 1 1 0 = = 0 0 = 0 1 1 1 = |
– Protector 1.4.0 32-bit | 2878 | +11 −11 | (−27) | 14.5 − 15.5 (+8−9=13) | 48.3% 14.5 / 30 | 99.9% | −40 |
1 1 0 1 = 0 = = 1 = 0 0 = = = = 0 1 = 1 1 0 = 0 = 1 = 0 = 0 |
– Stash 23.0 64-bit | 2877 | +28 −28 | (−28) | 4 − 4 (+3−3=2) | 50.0% 4.0 / 8 | 95.8% | −28 |
= 1 0 0 1 1 0 = |
– Gull 1.2 32-bit | 2876 | +12 −12 | (−29) | 16 − 14 (+8−6=16) | 53.3% 16.0 / 30 | 99.9% | −11 |
= 1 = 0 = = = 0 0 1 1 0 = 0 1 = = = 0 1 = = = = = = 1 = 1 1 |
– Rybka 1.2 32-bit | 2868 | +17 −17 | (−37) | 3 − 1 (+2−0=2) | 75.0% 3.0 / 4 | 99.9% | +113 |
= = 1 1 |
– The Baron 3.44 64-bit | 2866 | +12 −12 | (−39) | 4.5 − 3.5 (+2−1=5) | 56.3% 4.5 / 8 | 100.0% | −2 |
= = = 0 1 1 = = |
– Thinker 5.4d Inert 64-bit | 2864 | +15 −15 | (−41) | 3 − 1 (+2−0=2) | 75.0% 3.0 / 4 | 100.0% | +101 |
= 1 = 1 |
– Stockfish 1.5.1 32-bit | 2863 | +15 −15 | (−42) | 3 − 1 (+2−0=2) | 75.0% 3.0 / 4 | 100.0% | +108 |
= = 1 1 |
– Deuterium 14.2.33.276 64-bit | 2856 | +25 −25 | (−49) | 6.5 − 3.5 (+5−2=3) | 65.0% 6.5 / 10 | 100.0% | +52 |
1 = 1 1 1 1 = 0 0 = |
– Andscacs 0.70 64-bit | 2851 | +27 −27 | (−54) | 6 − 4 (+5−3=2) | 60.0% 6.0 / 10 | 100.0% | +19 |
0 0 = 1 1 = 0 1 1 1 |
– Naum 3 32-bit | 2851 | +17 −17 | (−54) | 2 − 2 (+1−1=2) | 50.0% 2.0 / 4 | 100.0% | −54 |
0 = = 1 |
– Toga II 3.0 | 2850 | +16 −16 | (−55) | 3 − 1 (+3−1=0) | 75.0% 3.0 / 4 | 100.0% | +181 |
1 0 1 1 |
– Rodent 1.7 64-bit | 2850 | +19 −19 | (−55) | 7 − 3 (+4−0=6) | 70.0% 7.0 / 10 | 100.0% | +59 |
= 1 = = = = = 1 1 1 |
– Counter 3.3 64-bit | 2848 | +22 −22 | (−57) | 7.5 − 4.5 (+4−1=7) | 62.5% 7.5 / 12 | 100.0% | +11 |
1 1 = = 0 = = = 1 1 = = |
– Atlas 3.80 64-bit | 2847 | +14 −14 | (−58) | 6.5 − 3.5 (+6−3=1) | 65.0% 6.5 / 10 | 100.0% | +65 |
0 1 1 1 = 1 1 0 0 1 |
– DisasterArea 1.65 64-bit | 2847 | +13 −13 | (−58) | 7.5 − 2.5 (+5−0=5) | 75.0% 7.5 / 10 | 100.0% | +96 |
1 1 = 1 = 1 = = = 1 |
– Arasan 17.5 64-bit | 2840 | +25 −25 | (−65) | 6 − 4 (+4−2=4) | 60.0% 6.0 / 10 | 100.0% | −2 |
= 1 = = 0 = 0 1 1 1 |
– The Baron 3.41 64-bit | 2837 | +22 −22 | (−68) | 7 − 3 (+5−1=4) | 70.0% 7.0 / 10 | 100.0% | +59 |
= 1 1 = 1 1 0 1 = = |
– Dirty 3Nov2015 64-bit | 2836 | +16 −16 | (−69) | 5 − 5 (+2−2=6) | 50.0% 5.0 / 10 | 100.0% | −65 |
= 1 = = = 0 = 1 0 = |
– Asymptote 0.6.3 64-bit | 2836 | +24 −24 | (−69) | 8 − 4 (+6−2=4) | 66.7% 8.0 / 12 | 100.0% | +38 |
1 1 0 = 1 1 = = 1 = 0 1 |
– Pedone 1.3 64-bit | 2835 | +23 −23 | (−70) | 6.5 − 3.5 (+5−2=3) | 65.0% 6.5 / 10 | 100.0% | +29 |
1 1 0 = 0 = 1 1 = 1 |
– Counter 3.2 64-bit | 2834 | +19 −19 | (−71) | 11 − 5 (+8−2=6) | 68.8% 11.0 / 16 | 100.0% | +54 |
= = = 1 0 1 0 1 = 1 1 1 = 1 = 1 |
– MinkoChess 1.3 32-bit | 2829 | +31 −31 | (−76) | 5 − 5 (+1−1=8) | 50.0% 5.0 / 10 | 100.0% | −76 |
0 = = = = = = = = 1 |
– NirvanaChess 1.8 64-bit | 2827 | +25 −25 | (−78) | 6 − 4 (+4−2=4) | 60.0% 6.0 / 10 | 100.0% | −9 |
= = 1 1 = 1 = 0 1 0 |
– Texel 1.02 64-bit | 2827 | +28 −28 | (−78) | 7 − 3 (+5−1=4) | 70.0% 7.0 / 10 | 100.0% | +49 |
= 1 = 1 1 1 1 = 0 = |
– DisasterArea 1.54 64-bit | 2827 | +18 −18 | (−78) | 6 − 4 (+4−2=4) | 60.0% 6.0 / 10 | 100.0% | −11 |
0 1 = 1 0 = = 1 = 1 |
– Tornado 6.0 64-bit | 2819 | +21 −21 | (−86) | 7 − 3 (+5−1=4) | 70.0% 7.0 / 10 | 100.0% | +42 |
1 0 = 1 = 1 1 = 1 = |
– EXchess 7.51b 64-bit | 2815 | +27 −27 | (−90) | 6.5 − 3.5 (+5−2=3) | 65.0% 6.5 / 10 | 100.0% | +13 |
0 1 = 1 = 1 0 1 1 = |
– GNU Chess 5.60 64-bit | 2813 | +16 −16 | (−92) | 6 − 4 (+3−1=6) | 60.0% 6.0 / 10 | 100.0% | −36 |
1 1 = = = = = = 1 0 |
– Rodent II 0.8.7 64-bit | 2809 | +27 −27 | (−96) | 8.5 − 1.5 (+7−0=3) | 85.0% 8.5 / 10 | 100.0% | +157 |
1 1 1 1 = 1 1 1 = = |
– Deuterium 14.1.32.119 64-bit | 2808 | +25 −25 | (−97) | 5 − 5 (+3−3=4) | 50.0% 5.0 / 10 | 100.0% | −97 |
0 1 = 0 1 1 0 = = = |
– DiscoCheck 5.0.1 64-bit | 2803 | +32 −32 | (−102) | 7 − 3 (+4−0=6) | 70.0% 7.0 / 10 | 100.0% | +12 |
= 1 1 1 = 1 = = = = |
– Cheng4 0.36c 64-bit | 2798 | +18 −18 | (−107) | 7 − 3 (+5−1=4) | 70.0% 7.0 / 10 | 100.0% | +20 |
1 1 0 1 = = 1 1 = = |
– Nemo 1.0.1 32-bit | 2794 | +29 −29 | (−111) | 2.5 − 1.5 (+2−1=1) | 62.5% 2.5 / 4 | 100.0% | −15 |
1 1 0 = |
– Arasan 17.1 64-bit | 2791 | +31 −31 | (−114) | 6 − 4 (+4−2=4) | 60.0% 6.0 / 10 | 100.0% | −46 |
1 1 1 = 1 0 = = 0 = |
– Arasan 17.2 64-bit | 2788 | +28 −28 | (−117) | 4.5 − 3.5 (+3−2=3) | 56.3% 4.5 / 8 | 100.0% | −79 |
0 = = = 1 1 1 0 |
– Bobcat 6.4b 64-bit | 2787 | +24 −24 | (−118) | 3.5 − 2.5 (+2−1=3) | 58.3% 3.5 / 6 | 100.0% | −59 |
= 0 = 1 = 1 |
– Crafty 23.6 64-bit | 2787 | +25 −25 | (−118) | 7 − 3 (+5−1=4) | 70.0% 7.0 / 10 | 100.0% | +14 |
= 1 1 0 1 1 = = = 1 |
– Atlas 3.70em 64-bit | 2787 | +22 −22 | (−118) | 2.5 − 1.5 (+2−1=1) | 62.5% 2.5 / 4 | 100.0% | −35 |
0 = 1 1 |
– Octochess r5506 64-bit | 2783 | +15 −15 | (−122) | 8.5 − 1.5 (+7−0=3) | 85.0% 8.5 / 10 | 100.0% | +129 |
1 = 1 1 1 1 1 = = 1 |
– RuyDos 1.1.6 64-bit | 2782 | +17 −17 | (−123) | 8 − 2 (+7−1=2) | 80.0% 8.0 / 10 | 100.0% | +107 |
= 1 1 1 0 1 1 = 1 1 |
– Arasan 16.3 64-bit | 2782 | +28 −28 | (−123) | 7 − 3 (+6−2=2) | 70.0% 7.0 / 10 | 100.0% | +24 |
1 1 = 1 0 = 1 1 0 1 |
– EXchess 7.31b 64-bit | 2776 | +27 −28 | (−129) | 6.5 − 3.5 (+3−0=7) | 65.0% 6.5 / 10 | 100.0% | −49 |
= 1 = = 1 = = = = 1 |
– EXchess 7.26b 64-bit | 2771 | +27 −27 | (−134) | 7.5 − 2.5 (+5−0=5) | 75.0% 7.5 / 10 | 100.0% | +14 |
1 1 1 1 = = = = 1 = |
– Crafty 24.0 64-bit | 2771 | +28 −28 | (−134) | 4 − 2 (+2−0=4) | 66.7% 4.0 / 6 | 100.0% | −39 |
= = = 1 = 1 |
– Octochess r5190 64-bit | 2771 | +15 −15 | (−134) | 7 − 3 (+5−1=4) | 70.0% 7.0 / 10 | 100.0% | −1 |
= 1 1 1 1 1 = 0 = = |
– NirvanaChess 1.4 64-bit | 2761 | +30 −30 | (−144) | 8 − 2 (+6−0=4) | 80.0% 8.0 / 10 | 100.0% | +51 |
1 = 1 1 1 1 = = = 1 |
– Andscacs 0.64 64-bit | 2751 | +24 −24 | (−154) | 8 − 2 (+7−1=2) | 80.0% 8.0 / 10 | 100.0% | +76 |
1 1 1 1 1 1 = 1 0 = |
– NirvanaChess 1.3 64-bit | 2748 | +31 −31 | (−157) | 7.5 − 2.5 (+5−0=5) | 75.0% 7.5 / 10 | 100.0% | −2 |
= 1 = 1 = = 1 1 = 1 |
– Cheng4 0.36a 64-bit | 2747 | +30 −30 | (−158) | 8.5 − 1.5 (+7−0=3) | 85.0% 8.5 / 10 | 100.0% | +94 |
1 1 = 1 = = 1 1 1 1 |
– Arasan 16.1 64-bit | 2738 | +31 −31 | (−167) | 6.5 − 3.5 (+4−1=5) | 65.0% 6.5 / 10 | 100.0% | −73 |
= 1 0 = = 1 = 1 = 1 |
– Tucano 6.00 64-bit | 2724 | +16 −16 | (−181) | 5.5 − 4.5 (+4−3=3) | 55.0% 5.5 / 10 | 100.0% | −144 |
= 1 = = 0 1 1 0 1 0 |
– Cheng4 0.35a 64-bit | 2718 | +30 −30 | (−187) | 7 − 3 (+5−1=4) | 70.0% 7.0 / 10 | 100.0% | −55 |
= 0 1 1 1 1 = 1 = = |
– Arasan 16.0 64-bit | 2712 | +32 −32 | (−193) | 8.5 − 1.5 (+7−0=3) | 85.0% 8.5 / 10 | 100.0% | +59 |
= 1 = 1 1 = 1 1 1 1 |