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Rapid:
Individual Calculations August 2017 |
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| Porter, Matthew Total change: 4.00 | |   |
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| 5th DeMontford Bell Kings Place Festival Amateur | London | ENG | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1318 | 1450 | 3.50 | 4 | 0.79 | 20 | 15.80 | |
|  Klingher, Bernard | | | 1271 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Balouka-Myers, Toby | | | 1310 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Fear, Atticus | | | 1304 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Jorna, Adam | | | 1386 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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) | | | | Golders Green FIDE Rapid Chess Amateur July 2017 | London | ENG | 2017-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1450 | 1.50 | 3 | -0.59 | 20 | -11.80 | |
| | Scott, Martin | | | 1192 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Merrifield, Peter | | | 1149 | WLS | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Upton, Bill | | | 1509 | ENG | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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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