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Individual Calculations November 2023 |
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| Howes, David J Total change: -11.80 | |   |
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| Coulsdon Chess Dicky White October 2023 | Coulsdon | ENG | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1285 | 1306 | 1.50 | 4 | -0.61 | 20 | -12.20 | |
|  Stoneman, Ian D | | | 1334 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | |  Zvaigzne, Janis | | | 1277 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Smyth, Sandy A | | | 1325 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Kilambi, Aahna | | | 1204 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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) | | | | Coulsdon Chess Daytime Chess October 2023 | Coulsdon | ENG | 2023-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1313 | 1306 | 1.00 | 2 | 0.02 | 20 | 0.40 | |
| | Clayton, David C | | | 1432 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Woolley, Michael P | | | 1194 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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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