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Individual Calculations January 2018 |
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| Illingworth, John B Total change: 8.00 | |   |
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| 9th CSC London Chess Classic: Weekday U1750 | London | ENG | 2017-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1659 | 3.00 | 4 | 0.20 | 40 | 8.00 | |
|  Fava, Achille | | | 1394 | ITA | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Sellen, John R | | | 1528 | ENG | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Crouch, Timothy J | | | 1541 | ENG | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Helps, David | | | 1555 | ENG | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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