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Individual Calculations December 2012 |
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| Horton, Andrew P Total change: 5.10 | |   |
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| World Youth Chess Championship 2012 - Open 14 | Maribor | SLO | 2012-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1968 | 4.50 | 10 | 0.17 | 30 | 5.10 | |
|  Williams, Justus D | | | 2230 | USA | 0.00 | 1 | -0.18 | 30 | -5.40 | |  Zirkelbach, Maj | | | 1732 | SLO | 0.00 | 1 | -0.80 | 30 | -24.00 | | | Ahmed, Fareed | | | 1754 | UAE | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Oner, Oguz | | | 1778 | TUR | 1.00 | 1 | 0.25 | 30 | 7.50 | | | Dale, Ari | | | 2161 | AUS | 1.00 | 1 | 0.75 | 30 | 22.50 | | | Van Foreest, Jorden | | | 2231 | NED | 1.00 | 1 | 0.82 | 30 | 24.60 | | | Petrosyan, Manuel | c | | 2281 | ARM | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Bora, Safal | | | 2087 | USA | 0.00 | 1 | -0.34 | 30 | -10.20 | | | Zsirai, Peter | | | 2195 | HUN | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Martins, Guilherme Pires Tavar | | | 1814 | POR | 0.50 | 1 | -0.21 | 30 | -6.30 | |
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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