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Individual Calculations April 2023 |
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| Khan, A Qaiyum Total change: 24.20 | |   |
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| Coulsdon Chess Dicky White - March | London | ENG | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1251 | 1295 | 2.00 | 4 | -0.22 | 20 | -4.40 | |
|  Elliott, Judah P | | | 1491 | CAN | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Ramaraju, Siddarth | | | 1325 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Braithwaite, Paul | | | 1099 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Marsden, Oscar | | | 1090 | ENG | 0.00 | 1 | -0.76 | 20 | -15.20 | |
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 March 2023 | Coulsdon | ENG | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1302 | 3.00 | 3 | 1.43 | 20 | 28.60 | |
| | Howes, David J | | | 1349 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Bermudez, Venerando | | | 1402 | ENG | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Wimble, Garry | | | 1081 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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