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Individual Calculations December 2022 |
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| Selby, Keith Total change: -25.00 | |   |
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| Coulsdon Chess Dicky White - November | London | ENG | 2022-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1274 | 2.00 | 4 | -0.19 | 20 | -3.80 | |
|  Zvaigzne, Janis | | | 1276 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | |  Woolley, Michael P | | | 1271 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Renouf, Stephen | | | 1177 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Mahadevan, Meikum | | | 1231 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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 Autumn 2022 November 2022 | Coulsdon | ENG | 2022-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1355 | 1242 | 0.00 | 3 | -1.06 | 20 | -21.20 | |
| | Gillespie, Frank | | | 1355 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Bermudez, Venerando | | | 1461 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Woolley, Michael P | | | 1250 | 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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