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Individual Calculations May 2019 |
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| Gibson, John F. Total change: 13.40 | |   |
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| LCU Armstrong Cup 2018-19 Rounds 9-10 | Dublin | IRL | 2019-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1813 | 0.50 | 2 | -0.36 | 20 | -7.20 | |
|  Skrzypnik, Tomasz | | | 1948 | POL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Matthews, Gabriel | | | 1783 | IRL | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | | | 2019 World Senior Team Chess Championships open 65plus | Rhodes | GRE | 2019-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1818 | 3.00 | 6 | 1.03 | 20 | 20.60 | |
|  Kristinsson, Jon | | | 2094 | ISL | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Giffard, Nicolas | m | | 2218 * | FRA | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Alkkiomaki, Jyrki | | | 1908 | FIN | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Serjmyadag, Damdin | | | 1895 | MGL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Lembidakis, Michael | | | 1617 | FIN | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Van Herck, Marcel | | | 2066 | BEL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | * 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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