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Individual Calculations May 2023 |
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| Laundy, Peter R Total change: 35.60 | |   |
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| 65th Southend Easter Congress - U1900 | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1605 | 1783 | 6.00 | 7 | 0.89 | 40 | 35.60 | |
|  Catabay, Rezin C | | | 1575 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Llewellyn, Julian D | | | 1598 | ENG | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Berkley, Stephen W | | | 1635 | ENG | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Prince, Alan R | | | 1635 | ENG | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Garau, Tomas | | | 1564 | ENG | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Singha, Swati | | | 1499 | IND | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Kenning, Paul H | | | 1726 | ENG | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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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