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Individual Calculations July 2023 |
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| Collins, Michael E Total change: -16.60 | |   |
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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 |
| 1253 | 1122 | 0.50 | 4 | -0.83 | 20 | -16.60 | |
|  Stoneman, Ian D | | | 1315 | ENG | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Mahadevan, Rohit | | | 1272 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Smyth, Sandy A | | | 1336 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Braithwaite, Paul | | | 1089 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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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