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Individual Calculations February 2013 |
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| Gravett, Alan Total change: -19.05 | |   |
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| Tradewise Gibraltar Chess Festival Challengers A | Gibraltar | ENG | 2013-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1912 | 0.50 | 5 | -1.27 | 15 | -19.05 | |
|  Cawley, Paul F | | | 2113 | ENG | 0.50 | 1 | 0.26 | 15 | 3.90 | |  Wallgren, Ulf | | | 2097 | SWE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Hamer, Martyn | | | 2025 | ENG | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Munoz Jorva, Miguel Angel | | | 1916 | ESP | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Nwachukwu, Chino | | | 1962 | NGR | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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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