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Individual Calculations August 2023 |
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| Gray, Mark S Total change: 10.60 | |   |
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| Coulsdon Chess Summer Cup 2023 - Elite Round 2 - July | Coulsdon | ENG | 2023-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2099 | 1.00 | 1 | 0.53 | 20 | 10.60 | |
|  Snape, Ian L | | | 2119 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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) | | |
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