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Individual Calculations September 2017 |
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| Sonnis, Steve Total change: 3.20 | |   |
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| JESSIE GILBERT CELEBRATION INTERNATIONAL 2017 SECTIONS FOR ALL A | London | ENG | 2017-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1657 | 1.50 | 2 | 0.16 | 20 | 3.20 | |
|  Vaughan, John | | | 1545 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Miles, Barry S | | | 1518 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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