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Sorted by Blunders per 1000 Moves

1 YEAR 2 YEAR 3 YEAR 5 YEAR 10 YEAR 15 YEAR
PLAYER YEAR AGE NUMBER OF MOVES ANALYZED DECISIVE GAMES (MINIMUM = 10) PERCENT OF POINTS SCORED BLUNDERS PER 1000 MOVES PERCENT BETTER THAN NORMAL SCORE PER MOVE
ALEKHINE 1933 40 735 26 78.95 0.00 8.07
ANAND 2006 36 780 18 62.82 0.00 31.36
ANAND 2007 37 835 16 60.42 0.00 13.75
BOTVINNIK 1930 18 330 13 84.38 0.00 8.55
BOTVINNIK 1931 19 349 14 79.41 0.00 14.52
BOTVINNIK 1938 26 528 18 69.36 0.00 -9.07
BOTVINNIK 1945 33 428 16 90.00 0.00 17.27
BOTVINNIK 1964 52 381 11 76.47 0.00 9.51
BOTVINNIK 1969 57 564 15 63.64 0.00 -14.06
CAPABLANCA 1915 26 302 12 92.86 0.00 16.41
CAPABLANCA 1922 33 279 11 86.67 0.00 6.12
EUWE 1925 24 492 23 85.00 0.00 16.98
FISCHER 1968 25 504 19 86.54 0.00 40.45
KARPOV 1990 39 899 18 58.16 0.00 6.02
KASPAROV 1984 21 756 11 50.94 0.00 -4.43
KASPAROV 2001 38 790 18 71.43 0.00 14.95
KRAMNIK 1992 17 1197 38 72.08 0.00 21.20
KRAMNIK 2000 25 756 11 59.78 0.00 21.38
KRAMNIK 2003 28 619 11 56.41 0.00 -5.03
KRAMNIK 2007 32 728 14 63.95 0.00 23.91
PETROSIAN 1962 33 888 25 69.84 0.00 12.61
SMYSLOV 1944 23 320 11 65.63 0.00 15.37
SMYSLOV 1976 55 837 20 57.94 0.00 21.62
SMYSLOV 1979 58 539 17 51.39 0.00 -18.94
SMYSLOV 1982 61 375 11 60.42 0.00 13.65
SPASSKY 1980 43 678 16 60.00 0.00 17.86
SPASSKY 1981 44 573 16 61.36 0.00 16.97
FISCHER 1966 23 942 33 75.00 1.52 21.25
SMYSLOV 1970 49 1214 30 62.82 1.65 8.38
SMYSLOV 1966 45 1045 29 64.84 1.68 8.80
LASKER 1909 40 682 27 76.56 1.76 5.37
PETROSIAN 1972 43 938 27 68.25 1.87 9.20
SMYSLOV 1974 53 725 28 66.33 1.93 -9.03
KARPOV 1983 32 925 23 65.83 1.98 9.56
FISCHER 1970 27 1522 50 80.14 1.98 20.94
KASPAROV 1999 36 662 21 76.39 2.11 15.59
KARPOV 1974 23 1128 23 64.91 2.15 16.59
SPASSKY 1957 20 892 23 65.74 2.17 18.18
EUWE 1938 37 764 23 61.54 2.19 14.76
PETROSIAN 1958 29 818 20 68.00 2.26 5.64
ALEKHINE 1930 37 458 22 95.83 2.34 13.36
PETROSIAN 1973 44 796 20 63.33 2.36 26.39
KASPAROV 1983 20 705 20 69.44 2.39 -2.74
LASKER 1899 30 538 19 82.69 2.40 1.80
SMYSLOV 1978 57 680 18 62.50 2.43 -0.64
KRAMNIK 1998 23 852 21 56.60 2.57 4.82
KASPAROV 1997 34 600 20 71.88 2.65 0.89
SMYSLOV 1964 43 1180 37 73.77 2.67 14.69
KARPOV 1984 33 820 17 60.48 2.69 12.79
SMYSLOV 1969 48 825 18 63.73 2.69 18.42
TAL 1976 39 1030 19 56.52 2.70 3.65
PETROSIAN 1955 26 813 17 65.74 2.74 3.44
PETROSIAN 1981 52 705 16 58.33 2.76 -13.08
CAPABLANCA 1929 40 1082 41 78.91 2.79 9.83
SMYSLOV 1988 67 693 17 55.44 2.79 10.33
PETROSIAN 1978 49 592 16 65.00 2.83 8.58
PETROSIAN 1952 23 533 17 62.16 2.99 -1.01
CAPABLANCA 1935 46 544 19 66.67 3.01 -13.92
KASPAROV 2000 37 918 16 62.25 3.09 26.83
SMYSLOV 1971 50 776 17 62.71 3.10 10.69
ALEKHINE 1945 52 396 15 78.95 3.26 -35.60
KARPOV 1986 35 1297 28 58.45 3.33 8.31
KRAMNIK 1999 24 797 13 59.65 3.40 32.19
ALEKHINE 1934 41 925 27 71.59 3.43 -21.01
SPASSKY 1990 53 622 17 59.21 3.44 -11.16
PETROSIAN 1983 54 755 15 54.31 3.47 1.08
SPASSKY 1970 33 604 19 70.24 3.55 27.08
BOTVINNIK 1936 24 619 14 69.36 3.60 21.61
FISCHER 1992 49 596 15 58.33 3.60 -19.16
KARPOV 1977 26 1190 38 76.98 3.61 0.59
KRAMNIK 1995 20 973 29 69.49 3.66 34.89
SMYSLOV 1951 30 713 25 76.56 3.66 -11.32
KARPOV 1969 18 825 30 72.22 3.70 6.09
SMYSLOV 1954 33 947 27 62.26 3.71 13.02
SMYSLOV 1975 54 530 13 62.86 3.72 17.47
ALEKHINE 1936 43 1313 38 72.39 3.72 10.48
SMYSLOV 1957 36 493 12 57.14 3.73 -4.35
SMYSLOV 1991 70 409 13 65.00 3.76 27.93
EUWE 1932 31 588 16 64.29 3.77 21.05
TAL 1981 44 935 25 69.84 3.80 -2.72
KARPOV 1981 30 1003 24 65.79 3.85 14.61
LASKER 1890 21 359 12 75.00 3.86 4.87
SMYSLOV 1956 35 901 23 67.59 3.91 3.05
ALEKHINE 1931 38 735 26 77.27 3.93 9.76
TAL 1960 23 875 26 70.83 3.95 21.68
SPASSKY 1982 45 1029 26 57.58 3.97 -23.60
CAPABLANCA 1924 35 382 11 72.50 4.12 6.91
SPASSKY 1962 25 1040 37 74.60 4.20 13.51
SMYSLOV 1963 42 716 23 75.00 4.25 1.80
KARPOV 1979 28 714 20 69.05 4.35 0.91
KARPOV 1992 41 1300 41 65.91 4.37 0.22
TAL 1965 28 442 13 60.42 4.48 -18.46
BOTVINNIK 1941 29 351 11 67.50 4.53 14.35
KARPOV 1971 20 1323 41 70.12 4.64 -4.19
KASPAROV 2002 39 410 10 73.81 4.65 5.05
BOTVINNIK 1955 43 413 11 56.52 4.70 -4.26
FISCHER 1971 28 470 18 88.10 4.72 33.65
ANAND 1997 27 1174 31 65.91 4.80 11.86
TAL 1987 50 716 22 63.12 4.81 26.14
SMYSLOV 1962 41 802 21 67.93 4.84 17.76
CAPABLANCA 1939 50 433 11 72.92 4.85 -16.10
EUWE 1930 29 247 10 71.43 4.88 13.36
KRAMNIK 1996 21 1185 30 58.33 4.89 -1.16
SMYSLOV 1967 46 1239 38 69.23 4.93 1.34
EUWE 1927 26 562 24 80.30 4.94 11.94
SMYSLOV 1965 44 802 28 75.58 5.03 8.04
EUWE 1939 38 754 22 71.95 5.04 7.23
KASPAROV 1989 26 1025 30 75.00 5.06 26.19
FISCHER 1963 20 196 11 100.00 5.10 20.42
TAL 1957 20 655 21 70.83 5.13 23.98
KARPOV 1988 37 1962 50 68.45 5.16 14.99
KARPOV 1978 27 900 18 56.38 5.18 18.11
KARPOV 1973 22 1409 33 70.95 5.20 7.69
SMYSLOV 1948 27 413 10 55.00 5.21 -23.01
ALEKHINE 1921 28 552 22 77.27 5.22 25.03
KARPOV 1982 31 1006 26 64.29 5.36 4.94
SPASSKY 1967 30 879 28 65.71 5.41 9.08
KARPOV 1993 42 1708 43 67.61 5.44 0.13
PETROSIAN 1964 35 839 26 75.00 5.54 19.98
SPASSKY 1961 24 793 25 67.44 5.57 6.51
SPASSKY 1985 48 878 27 60.71 5.60 26.12
CAPABLANCA 1919 30 201 10 95.46 5.68 10.62
KARPOV 1995 44 1096 23 67.93 5.75 18.16
SPASSKY 1966 29 1309 26 57.32 5.80 21.56
KARPOV 1976 25 1012 30 72.41 5.82 23.65
KARPOV 1987 36 1190 22 61.48 5.86 -7.28
MORPHY 1858 21 617 28 71.21 5.93 1.52
ALEKHINE 1932 39 902 35 83.70 5.94 -9.38
SMYSLOV 1973 52 927 24 60.42 5.95 9.04
BOTVINNIK 1963 51 668 16 58.82 5.99 8.13
SPASSKY 1986 49 1026 24 60.53 6.01 17.36
ALEKHINE 1922 29 953 37 74.11 6.06 0.13
PETROSIAN 1969 40 968 24 57.69 6.10 -4.27
CAPABLANCA 1914 25 491 17 76.00 6.12 11.36
ANAND 2004 34 800 22 68.37 6.15 19.27
TAL 1974 37 1098 42 75.00 6.20 30.27
ALEKHINE 1941 48 550 16 73.08 6.23 -9.19
ALEKHINE 1929 36 712 24 70.59 6.26 5.42
BOTVINNIK 1952 40 836 22 66.67 6.28 -1.53
PETROSIAN 1950 21 698 21 56.58 6.36 -27.48
KARPOV 1970 19 849 22 64.00 6.37 12.69
KASPAROV 1993 30 693 16 68.92 6.37 10.57
EUWE 1934 33 677 23 73.61 6.42 21.51
LASKER 1900 31 350 15 86.11 6.47 7.12
ALEKHINE 1927 34 1286 24 60.00 6.49 9.35
CAPABLANCA 1928 39 546 15 70.31 6.58 23.46
FISCHER 1961 18 628 14 62.50 6.58 29.04
SPASSKY 1984 47 560 16 60.20 6.58 -6.89
KARPOV 1989 38 1038 26 65.25 6.63 24.41
KARPOV 1991 40 1548 34 58.75 6.65 11.99
LASKER 1892 23 548 19 81.25 6.76 9.51
TAL 1964 27 1386 46 76.39 6.78 4.28
ALEKHINE 1923 30 587 22 73.33 6.85 16.08
KASPAROV 1986 23 935 29 67.00 6.85 21.07
SPASSKY 1969 32 981 21 61.21 6.85 -2.52
PETROSIAN 1960 31 1045 44 81.75 6.92 17.42
ANAND 1991 21 1230 41 55.56 6.94 -0.03
SPASSKY 1965 28 1082 28 66.67 6.94 1.32
SMYSLOV 1968 47 916 35 75.96 6.96 20.29
ANAND 1994 24 877 26 61.11 6.97 10.80
CAPABLANCA 1916 27 367 13 82.35 6.97 35.61
PETROSIAN 1979 50 1011 26 62.50 6.99 15.44
PETROSIAN 1953 24 713 19 61.22 7.01 -6.64
SMYSLOV 1989 68 890 21 56.86 7.04 -1.54
TAL 1984 47 837 23 56.62 7.04 2.33
KASPAROV 1982 19 547 22 77.50 7.08 13.57
PETROSIAN 1954 25 1166 32 68.75 7.22 2.97
BOTVINNIK 1956 44 457 15 73.21 7.22 21.15
SMYSLOV 1990 69 717 20 55.56 7.48 4.30
FISCHER 1967 24 712 28 80.56 7.51 8.92
PETROSIAN 1959 30 1050 25 62.30 7.53 7.66
EUWE 1953 52 682 20 47.44 7.58 2.22
ANAND 2005 35 970 19 58.49 7.61 0.08
ALEKHINE 1938 45 842 28 72.73 7.66 7.06
SMYSLOV 1958 37 678 19 57.14 7.67 -24.01
SPASSKY 1964 27 1676 46 69.32 7.68 24.88
SMYSLOV 1972 51 1104 34 61.11 7.73 5.28
TAL 1967 30 732 21 67.05 7.77 30.92
SPASSKY 1974 37 728 20 60.87 7.85 15.84
LASKER 1934 65 286 13 66.67 7.91 -20.27
SPASSKY 1954 17 466 12 71.74 7.91 -18.08
SMYSLOV 1980 59 429 20 76.67 7.98 -3.02
FISCHER 1962 19 1432 45 63.82 8.03 6.62
PETROSIAN 1965 36 614 16 61.36 8.04 -5.97
CAPABLANCA 1927 38 983 17 54.63 8.07 16.72
EUWE 1949 48 606 19 64.87 8.11 25.18
SMYSLOV 1981 60 610 12 56.82 8.13 23.82
SMYSLOV 1946 25 969 32 66.00 8.16 16.60
KARPOV 1994 43 1357 38 71.21 8.18 18.12
BOTVINNIK 1948 36 377 12 70.00 8.20 -12.41
PETROSIAN 1961 32 1044 35 71.77 8.22 11.40
SPASSKY 1989 52 744 17 49.21 8.24 -23.31
LASKER 1914 45 388 11 75.00 8.30 16.94
FISCHER 1958 15 700 17 64.47 8.33 3.50
KARPOV 1975 24 827 17 64.15 8.33 13.81
BOTVINNIK 1961 49 805 27 69.23 8.43 -3.98
TAL 1971 34 1159 38 67.14 8.56 -1.22
TAL 1977 40 1322 49 66.27 8.72 18.89
ANAND 1988 18 1254 40 63.89 8.83 9.14
KRAMNIK 1997 22 1074 27 65.08 8.85 33.71
SMYSLOV 1955 34 870 26 70.00 8.85 19.14
PETROSIAN 1974 45 790 28 67.31 8.87 -1.22
CAPABLANCA 1936 47 734 21 73.17 8.87 -3.80
EUWE 1941 40 442 18 74.00 9.01 24.12
SMYSLOV 1961 40 1314 33 63.77 9.02 14.10
PETROSIAN 1968 39 782 25 73.47 9.06 10.68
LASKER 1908 39 344 11 65.63 9.09 -19.36
PETROSIAN 1971 42 720 16 53.51 9.09 9.14
SMYSLOV 1947 26 1112 27 64.66 9.09 15.51
SMYSLOV 1985 64 613 13 51.19 9.09 4.72
SMYSLOV 1987 66 498 10 50.00 9.17 8.66
LASKER 1896 27 678 26 70.59 9.21 -2.04
FISCHER 1957 14 1282 51 77.61 9.23 16.99
LASKER 1924 55 440 14 80.00 9.23 -0.35
ANAND 2000 30 841 20 63.46 9.28 0.92
CAPABLANCA 1913 24 215 10 90.00 9.30 21.50
SPASSKY 1968 31 1044 30 71.43 9.35 3.07
LASKER 1894 25 420 15 63.16 9.38 -5.63
KARPOV 1980 29 1172 35 65.54 9.38 5.61
EUWE 1940 39 549 24 65.15 9.39 -2.59
TAL 1982 45 1073 41 67.06 9.47 18.50
ALEKHINE 1911 18 543 20 54.00 9.57 -4.02
KRAMNIK 1991 16 1539 55 74.43 9.59 19.82
SPASSKY 1978 41 672 22 63.04 9.62 6.17
KRAMNIK 1993 18 1653 49 65.66 9.72 10.78
KRAMNIK 2006 31 516 11 62.96 9.76 18.95
BOTVINNIK 1944 32 353 13 78.13 9.80 -9.33
ANAND 1998 28 1023 24 61.67 9.84 17.26
SPASSKY 1991 54 516 13 62.79 9.85 37.69
LASKER 1895 26 729 28 71.05 9.92 11.61
PETROSIAN 1970 41 1020 24 59.23 9.98 13.14
PETROSIAN 1975 46 979 24 59.72 9.98 7.60
ANAND 2002 32 380 10 61.11 10.00 -24.97
KASPAROV 1988 25 1337 38 72.97 10.00 22.07
KRAMNIK 2004 29 774 14 53.77 10.03 1.75
SPASSKY 1975 38 591 19 64.47 10.05 17.45
BOTVINNIK 1967 55 575 18 72.58 10.15 16.56
LASKER 1910 41 458 10 69.05 10.15 27.72
TAL 1973 36 1826 56 64.29 10.22 9.67
ALEKHINE 1912 19 451 23 70.37 10.23 -4.03
KASPAROV 1992 29 757 25 76.25 10.25 29.76
BOTVINNIK 1946 34 490 19 73.91 10.26 -12.53
KASPAROV 1990 27 878 19 62.79 10.31 -3.71
FISCHER 1965 22 641 25 76.56 10.37 28.59
KASPAROV 1994 31 1000 29 67.93 10.38 12.05
EUWE 1950 49 1038 29 68.85 10.44 15.25
TAL 1956 19 769 22 66.67 10.44 11.75
SPASSKY 1958 21 497 15 62.96 10.45 -2.10
KASPAROV 1980 17 794 30 80.44 10.51 12.56
PETROSIAN 1980 51 789 17 62.75 10.58 2.94
KASPAROV 1981 18 1160 38 68.46 10.62 11.70
ANAND 1996 26 887 26 62.00 10.68 -6.96
FISCHER 1960 17 1169 43 70.46 10.77 13.74
ANAND 1990 20 1432 49 66.46 10.83 7.21
KASPAROV 1996 33 678 18 68.92 10.87 12.69
SMYSLOV 1960 39 897 21 70.65 10.92 12.91
TAL 1972 35 967 36 75.40 10.92 19.20
SMYSLOV 1950 29 945 26 64.00 10.93 11.76
ALEKHINE 1935 42 980 31 61.82 11.03 -5.48
KARPOV 1985 34 920 17 52.83 11.11 -2.42
KRAMNIK 1994 19 1213 34 58.96 11.14 -1.41
PETROSIAN 1977 48 835 17 58.87 11.17 10.40
FISCHER 1959 16 1551 57 62.03 11.19 -10.06
PETROSIAN 1966 37 1176 26 60.29 11.19 18.57
LASKER 1925 56 377 12 70.00 11.41 24.45
TAL 1989 52 469 11 48.78 11.49 -11.37
SMYSLOV 1942 21 559 21 77.78 11.57 -6.67
ALEKHINE 1943 50 601 22 82.26 11.66 10.71
ALEKHINE 1939 46 577 21 87.50 11.68 7.15
KARPOV 1996 45 1297 28 57.04 11.69 -7.47
TAL 1970 33 587 24 70.59 11.77 9.86
CAPABLANCA 1938 49 382 10 54.55