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Individual Calculations January 2013 |
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| D`costa, Lorin A R Total change: -0.70 | |   |
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| London Chess Classic 2012: Open | London | ENG | 2012-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2417 | 6.00 | 9 | -0.07 | 10 | -0.70 | |
|  French, Angus J | | | 2018 | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Iwanow, Anna | | wm | 2188 | POL | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Ledger, Dave J | f | | 2266 | ENG | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Gunajew, Rafal | f | | 2260 | POL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Van Kampen, Robin | g | | 2570 | NED | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Schneider, Dmitry | m | | 2477 | USA | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Guerrero, Andres | | | 2206 | VEN | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Berry, Neil | f | | 2247 | SCO | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Britton, Richard L | f | | 2233 | ENG | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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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