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Individual Calculations October 2023 |
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| Howes, David J Total change: -21.60 | |   |
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| Coulsdon Chess Dicky White Tournament September 2023 | Coulsdon | ENG | 2023-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1293 | 1328 | 0.50 | 2 | -0.59 | 20 | -11.80 | |
|  Mahadevan, Rohit M | | | 1253 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |  Miles, Barry S | | | 1332 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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 September 2023 | Coulsdon | ENG | 2023-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1328 | 0.50 | 2 | -0.49 | 20 | -9.80 | |
| | Khan, A Qaiyum | | | 1328 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Ellinger, William | | | 1335 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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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