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Individual Calculations December 2019 |
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| Ruston, Mark R Total change: -35.20 | |   |
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| Thailand Pattaya Amateur Open Chess Championship 2019 | Pattaya | THA | 2019-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1650 | 1986 | 3.50 | 6 | -1.76 | 20 | -35.20 | |
|  Langendoen, Aad | | | 1586 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Agustin, Arnold | | | 1636 * | PHI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Hoe, Chew Ming Thomas | | | 1690 | SGP | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Gonzales, Vladimir | | | 1724 | PHI | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Bilog, Cecilio | | | 1586 * | PHI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ching, Francis | | | 1678 | PHI | 0.00 | 1 | -0.86 | 20 | -17.20 | | | * 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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