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Individual Calculations July 2023 |
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| Marsden, Oscar Total change: 37.60 | |   |
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| Coulsdon Chess Summer Cup 2023 - U1500 Round 1 - June | Coulsdon | ENG | 2023-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1169 | 1.50 | 2 | 0.94 | 40 | 37.60 | |
|  Smyth, Sandy A | | | 1336 | ENG | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Gillespie, Frank | | | 1336 | ENG | 1.00 | 1 | 0.72 | 40 | 28.80 | |
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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