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Individual Calculations May 2023 |
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| Prince, Alan R Total change: 43.40 | |   |
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| London Chess League Weekend Congress (31 March) - U1800 | London W6 | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1635 | 2.50 | 3 | 0.47 | 20 | 9.40 | |
|  Nargund, Sujan | | | 1382 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Ward-Riggs, Samuel | | | 1516 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Llewellyn, Julian D | | | 1594 | 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) | | | | 65th Southend Easter Congress - U1900 | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1635 | 4.00 | 6 | 1.70 | 20 | 34.00 | |
| | Staniland, Philip | | | 1824 | ENG | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Finnegan, Oliver | | | 1648 | ENG | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Laundy, Peter R | | | 1783 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Turicar, Goran | | | 1793 | CRO | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Jacob, Sydney J | | | 1781 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Lawrence, Simon | | | 1501 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | |
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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