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Individual Calculations April 2009 |
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| Cummings, David Total change: 7.10 | |   |
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| Bermuda International Open | hamilton | BER | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 2362 | 3.50 | 4 | 0.71 | 10 | 7.10 | |
|  Miller, Bobby | | | 2012 | BER | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Moffat, Andrei | | | 2131 | CAN | 1.00 | 1 | 0.21 | 10 | 2.10 | |  Strenzwilk, Denis | | | 2062 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Defirmian, Nick | g | | 2545 | USA | 0.50 | 1 | 0.24 | 10 | 2.40 | |
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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