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Rapid:
Individual Calculations May 2023 |
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| Braithwaite, Paul Total change: -11.40 | |   |
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| Coulsdon Chess Rapidplay - Easter (Rated Sections) | Coulsdon | ENG | 2023-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1039 | 1.00 | 5 | -0.18 | 20 | -3.60 | |
|  Pires, Jonathan | | | 1355 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Fazia, Salvatore | | | 1135 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Miles, Barry S | | | 1423 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Rosenbach, Phillip | | | 1071 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Boztas, Lana | | | 1365 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | Coulsdon Chess Juniors Round Robin B - 17 April 2023 | Coulsdon | ENG | 2023-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1079 | 1039 | 0.50 | 2 | -0.39 | 20 | -7.80 | |
| | Phipps, Mason | | | 1090 | ENG | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Warner-Burley, Timothy | | | 1068 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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