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Rapid:
Individual Calculations December 2019 |
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| Rizvi, Zara Total change: 47.40 | |   |
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| CCF RP Club Championships 2019-20 NOV 2019 R10-13 | London | ENG | 2019-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1184 | 1039 | 0.50 | 1 | 0.19 | 20 | 3.80 | |
|  Collins, Michael E | | | 1184 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | 23rd Golders Green FIDE Rapid Chess Improvers U105 | London | ENG | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1039 | 3.50 | 6 | 2.18 | 20 | 43.60 | |
| | Smith, Roger N | | | 1251 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Macdonald, John | | | 1286 | ENG | 0.50 | 1 | 0.31 | 20 | 6.20 | |  Coward, James | | | 1253 | ENG | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Istari, Alex | | | 1211 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Ravithas, Abinash | | | 1255 | ENG | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Gillespie, Frank | | | 1304 | ENG | 0.50 | 1 | 0.32 | 20 | 6.40 | |
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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