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Individual Calculations February 2017 |
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| Tzontas, Athanasios Total change: -32.00 | |   |
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| 2017 Youth Championships of ESSTH-HALK - open 12 | Thessaloniki | GRE | 2016-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1104 | 1224 | 1.50 | 4 | -1.14 | 40 | -45.60 | |
|  Galanis, Nikolaos-Panagiotis | | | 1103 | GRE | 0.00 | 1 | -0.66 | 40 | -26.40 | |  Kafantaris, Pavlos | | | 1194 | GRE | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Betsakos, Haralampos | | | 1043 | GRE | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Sioulas, Stylianos | | | 1075 | GRE | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | 2017 ESSTH-HALK Team Championship Local Category - rounds 1-3 | Thessaloniki | GRE | 2017-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1263 | 0.50 | 2 | 0.34 | 40 | 13.60 | |
| | Halkias, Nikolaos | | | 1663 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Hosseini-Tambatambai, Areios | | | 1663 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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