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Individual Calculations December 2017 |
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| Richards, Allan Total change: 5.60 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1797 | 5.00 | 8 | 0.28 | 20 | 5.60 | |
|  Gram, Otto | | | 1397 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Feldman, Vladimir | m | | 2095 | AUS | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Weijermars, Tristan | | | 1532 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Jain, Anshika | | | 1676 | AUS | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Champion, Patrick | | | 1930 | AUS | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Huey, Toby | | | 1432 | AUS | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Cook, David | | | 1623 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Murray, Bruce D | c | | 2019 | AUS | 0.50 | 1 | 0.28 | 20 | 5.60 | | | * 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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