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Individual Calculations February 2015 |
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| Miyasaka, Matthew Total change: -7.60 | |   |
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| Marshall Amateur Championship/Jerry Simon Memorial FIDE rated | New York, New York | USA | 2014-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 2050 | 1.50 | 3 | -0.38 | 40 | -15.20 | |
|  Hellner, Wesley | | | 1816 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Yagiz, Bora | | | 1960 | TUR | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Zats, Yefrem | | | 2075 | USA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | | | 98th Annual Marshall Chess Club Championship | New York, New York | USA | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2050 | 2.50 | 5 | 0.19 | 40 | 7.60 | |
| | Pressman, Leif | f | | 2300 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | King, Alexander B | | | 2239 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Margiotta, Jason J | | | 1942 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Brandon, Jacobson | c | | 1981 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Yagiz, Bora | | | 1960 | TUR | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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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