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Individual Calculations March 2019 |
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| Jones, Iolo C Total change: -15.20 | |   |
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| 48th Dyfed Open | Fishguard | WLS | 2019-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 2205 | 3.50 | 5 | -0.76 | 20 | -15.20 | |
|  Haigh, Tony | | | 1805 * | WLS | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Horrell, Stephen A | | | 1805 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Van Kemenade, Julie | | | 1805 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Heap, Gerry | | | 2095 | WLS | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Bevan, Peter M | | | 1907 | WLS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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