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Individual Calculations May 2023 |
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| Bharat Kumar, Balahari Total change: 78.40 | |   |
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| Guildford FIDE Congress | Guildford | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 1781 | 0.50 | 3 | 0.08 | 40 | 3.20 | |
|  Kalaiyalahan, Akshaya | f | | 2124 | ENG | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Ismail, Mohammed Aayan | | | 2261 | ENG | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Purdon, Colin | | | 1976 | ENG | 0.50 | 1 | 0.25 | 40 | 10.00 | |
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 Dicky White - April | London | ENG | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1819 | 1.00 | 2 | 0.41 | 40 | 16.40 | |
| | Snape, Ian L | | | 2109 | ENG | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Banerjee, Supratit | | | 1869 | SCO | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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) | | | | 65th Southend Easter Congress - Open | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1819 | 4.00 | 7 | 1.47 | 40 | 58.80 | |
| | Zapolskis, Antanas | m | | 2227 | LTU | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Catabay, Mae Katelyn Rose | | | 1513 | ENG | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Ivan, Austin | | | 1499 | ENG | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Eames, Robert S | f | | 2124 | ENG | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Karas, Eugenia | | | 1928 | ENG | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Finn, Peter | | | 2139 | ENG | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Shafi, Declan | | | 2177 | SCO | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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