Individual Calculations March 2023 |
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Gray, David Total change: -10.40 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Coulsdon Chess Dicky White - February | London | ENG | 2023-01-30 |
Rc | Ro | w | n | change | K | K*chg | Game |
1393 | 1002 | 0.00 | 3 | -0.26 | 20 | -5.20 | |
| Pratley, Ian | | | 1397 | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | Howes, David J | | | 1323 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | Raikundalia, Krishna | | | 1459 | ENG | 0.00 | 1 | -0.05 | 20 | -1.00 | | 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) | | Coulsdon Chess Daytime Chess February 2023 | Coulsdon | ENG | 2023-02-01 |
Rc | Ro | w | n | change | K | K*chg | Game |
1184 | 1002 | 0.00 | 1 | -0.26 | 20 | -5.20 | |
| Fazia, Salvatore | | | 1184 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | 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) | |
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