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Individual Calculations September 2015 |
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| Yamada, Kohei Total change: 9.20 | |   |
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| 2015 Japan Chess League | Tokyo | JPN | 2015-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2088 | 4.00 | 6 | 0.46 | 20 | 9.20 | |
|  Hirao, Satoshi | | | 1821 | JPN | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Kobayashi, Atsuhiko | | | 2080 | JPN | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Yokoyama, Yuichi | | | 1848 | JPN | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Shiomi, Ryo | | | 2133 | JPN | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Tang, Tang | | | 2091 | JPN | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Mitsuya, Naoto | | | 2108 | JPN | 0.50 | 1 | 0.03 | 20 | 0.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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