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Rapid:
Individual Calculations February 2015 |
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| Braithwaite, Paul Total change: 7.80 | |   |
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| CCF CHESS CLUB – WINTER RAPID PLAY CHAMPIONSHIPS 2014-15: JANUARY | COULSDON, LONDON | ENG | 2015-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1408 | 1172 | 0.00 | 2 | -0.47 | 20 | -9.40 | |
|  Gliddon, Daniel J | | | 1566 | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Carden, Ian | | | 1249 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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) | | | | CCF FIDE RAPIDPLAY - OPEN | COULSDON, LONDON | ENG | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1172 | 1.50 | 3 | 0.86 | 20 | 17.20 | |
| | Retter, Matthew | | | 1291 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | |  Ito, Tomoki I | | | 1555 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Everitt, David | | | 1401 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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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