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Individual Calculations July 2023 |
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| Allan, Brian N Total change: 1.80 | |   |
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| Coulsdon Chess Summer Cup 2023 - U1750 Round 1 - June | Coulsdon | ENG | 2023-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1430 | 1408 | 1.50 | 3 | 0.09 | 20 | 1.80 | |
|  Bermudez, Venerando | | | 1366 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | |  Pratley, Ian | | | 1399 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Engelbrecht, Herman | | | 1524 | MEX | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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