伊藤果八段
四段昇段後
公式棋戦
| 年度 | 対局 | 勝数 | 敗数 | 勝率 | 先勝 | 先敗 | 先勝率 | 後勝 | 後敗 | 後勝率 | 持 | 千 |
|---|
| 1975 | 16 | 6 | 10 | 0.3750 | 2 | 5 | 0.286 | 4 | 5 | 0.444 | 0 | 0 |
| 1976 | 21 | 12 | 9 | 0.5714 | 6 | 7 | 0.462 | 5 | 2 | 0.714 | 1 | 1 |
| 1977 | 32 | 15 | 17 | 0.4688 | 7 | 8 | 0.467 | 8 | 9 | 0.471 | 0 | 0 |
| 1978 | 34 | 16 | 18 | 0.4706 | 8 | 9 | 0.471 | 8 | 9 | 0.471 | 0 | 2 |
| 1979 | 40 | 30 | 10 | 0.7500 | 15 | 3 | 0.833 | 15 | 7 | 0.682 | 3 | 1 |
| 1980 | 43 | 27 | 16 | 0.6279 | 13 | 11 | 0.542 | 14 | 5 | 0.737 | 0 | 1 |
| 1981 | 53 | 29 | 24 | 0.5472 | 16 | 15 | 0.516 | 13 | 9 | 0.591 | 0 | 3 |
| 1982 | 36 | 19 | 17 | 0.5278 | 8 | 8 | 0.500 | 11 | 9 | 0.550 | 0 | 1 |
| 1983 | 34 | 16 | 18 | 0.4706 | 9 | 9 | 0.500 | 6 | 9 | 0.400 | 0 | 2 |
| 1984 | 37 | 18 | 19 | 0.4865 | 8 | 11 | 0.421 | 9 | 8 | 0.529 | 0 | 2 |
| 1985 | 44 | 25 | 19 | 0.5682 | 14 | 10 | 0.583 | 11 | 9 | 0.550 | 1 | 1 |
| 1986 | 36 | 17 | 19 | 0.4722 | 12 | 11 | 0.522 | 5 | 8 | 0.385 | 0 | 5 |
| 1987 | 38 | 20 | 18 | 0.5263 | 8 | 7 | 0.533 | 12 | 11 | 0.522 | 0 | 1 |
| 1988 | 35 | 17 | 18 | 0.4857 | 7 | 9 | 0.438 | 10 | 9 | 0.526 | 0 | 0 |
| 1989 | 37 | 18 | 19 | 0.4865 | 7 | 13 | 0.350 | 11 | 6 | 0.647 | 1 | 0 |
| 1990 | 32 | 16 | 16 | 0.5000 | 9 | 7 | 0.563 | 7 | 9 | 0.438 | 0 | 2 |
| 1991 | 32 | 14 | 18 | 0.4375 | 5 | 7 | 0.417 | 9 | 11 | 0.450 | 0 | 2 |
| 1992 | 29 | 14 | 15 | 0.4828 | 6 | 10 | 0.375 | 8 | 5 | 0.615 | 0 | 1 |
| 1993 | 38 | 23 | 15 | 0.6053 | 12 | 7 | 0.632 | 10 | 8 | 0.556 | 0 | 0 |
| 1994 | 32 | 16 | 16 | 0.5000 | 7 | 9 | 0.438 | 9 | 7 | 0.563 | 0 | 0 |
| 1995 | 29 | 12 | 17 | 0.4138 | 10 | 7 | 0.588 | 2 | 10 | 0.167 | 0 | 1 |
| 1996 | 25 | 9 | 16 | 0.3600 | 4 | 10 | 0.286 | 5 | 6 | 0.455 | 0 | 4 |
| 1997 | 25 | 7 | 18 | 0.2800 | 3 | 9 | 0.250 | 4 | 9 | 0.308 | 0 | 1 |
| 1998 | 21 | 1 | 20 | 0.0476 | 1 | 12 | 0.077 | 0 | 7 | 0.000 | 0 | 0 |
| 1999 | 34 | 15 | 19 | 0.4412 | 11 | 6 | 0.647 | 4 | 13 | 0.235 | 0 | 1 |
| 2000 | 29 | 10 | 19 | 0.3448 | 4 | 7 | 0.364 | 6 | 12 | 0.333 | 0 | 1 |
| 2001 | 29 | 11 | 18 | 0.3793 | 8 | 8 | 0.500 | 3 | 10 | 0.231 | 0 | 0 |
| 2002 | 17 | 5 | 12 | 0.2941 | 3 | 5 | 0.375 | 2 | 7 | 0.222 | 0 | 0 |
| 2003 | 14 | 4 | 10 | 0.2857 | 2 | 4 | 0.333 | 2 | 6 | 0.250 | 0 | 0 |
| 2004 | 18 | 8 | 10 | 0.4444 | 4 | 5 | 0.444 | 4 | 5 | 0.444 | 0 | 0 |
| 2005 | 14 | 3 | 11 | 0.2143 | 1 | 6 | 0.143 | 1 | 5 | 0.167 | 0 | 1 |
| 2006 | 17 | 7 | 10 | 0.4118 | 5 | 3 | 0.625 | 2 | 7 | 0.222 | 0 | 0 |
| 2007 | 14 | 3 | 11 | 0.2143 | 2 | 4 | 0.333 | 1 | 7 | 0.125 | 0 | 1 |
| 2008 | 16 | 6 | 10 | 0.3750 | 3 | 5 | 0.375 | 3 | 5 | 0.375 | 0 | 0 |
| 2009 | 11 | 0 | 11 | 0.0000 | 0 | 5 | 0.000 | 0 | 6 | 0.000 | 0 | 1 |
| 2010 | 12 | 2 | 10 | 0.1667 | 0 | 5 | 0.000 | 2 | 5 | 0.286 | 0 | 1 |
| 2011 | 1 | 0 | 1 | 0.0000 | 0 | 0 | | 0 | 1 | 0.000 | 0 | 0 |
| 合計 | 1025 | 471 | 554 | 0.4595 | 240 | 277 | 0.464 | 226 | 276 | 0.450 | 6 | 37 |
非公式棋戦
| 年度 | 対局 | 勝数 | 敗数 | 勝率 | 先勝 | 先敗 | 先勝率 | 後勝 | 後敗 | 後勝率 | 持 | 千 |
|---|
| 1991 | 1 | 0 | 1 | 0.0000 | 0 | 0 | | 0 | 1 | 0.000 | 0 | 0 |
| 1992 | 3 | 2 | 1 | 0.6667 | 1 | 1 | 0.500 | 1 | 0 | 1.000 | 0 | 0 |
| 合計 | 4 | 2 | 2 | 0.5000 | 1 | 1 | 0.500 | 1 | 1 | 0.500 | 0 | 0 |
四段昇段前
公式棋戦
| 年度 | 対局 | 勝数 | 敗数 | 勝率 | 先勝 | 先敗 | 先勝率 | 後勝 | 後敗 | 後勝率 | 持 | 千 |
|---|
| 1968 | 2 | 1 | 1 | 0.5000 | 1 | 1 | 0.500 | 0 | 0 | | 0 | 0 |
| 1969 | 1 | 0 | 1 | 0.0000 | 0 | 1 | 0.000 | 0 | 0 | | 0 | 0 |
| 1970 | 1 | 0 | 1 | 0.0000 | 0 | 1 | 0.000 | 0 | 0 | | 0 | 0 |
| 1971 | 1 | 1 | 0 | 1.0000 | 1 | 0 | 1.000 | 0 | 0 | | 0 | 0 |
| 1972 | 4 | 3 | 1 | 0.7500 | 3 | 1 | 0.750 | 0 | 0 | | 0 | 0 |
| 1973 | 4 | 3 | 1 | 0.7500 | 3 | 1 | 0.750 | 0 | 0 | | 0 | 0 |
| 1974 | 1 | 1 | 0 | 1.0000 | 0 | 0 | | 1 | 0 | 1.000 | 0 | 0 |
| 1975 | 1 | 1 | 0 | 1.0000 | 0 | 0 | | 1 | 0 | 1.000 | 0 | 1 |
| 合計 | 15 | 10 | 5 | 0.6667 | 8 | 5 | 0.615 | 2 | 0 | 1.000 | 0 | 1 |