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Individual Calculations February 2019 |
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| Vrailas, Marios Total change: 35.20 | |   |
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| 2018 youth u16 team championship of Attica | ESSNA | GRE | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1182 | 2.00 | 3 | 0.81 | 40 | 32.40 | |
|  Aslanidis, Thiseas | | | 1263 | GRE | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Mallios, Ioannis | | | 1582 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Koutsoukis, Evangelos Panagiotis | | | 1012 | GRE | 1.00 | 1 | 0.28 | 40 | 11.20 | | | * 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) | | | | 2nd Christmas open S Bikos - D Maragkoudakis Memorial 2018 | Athens | GRE | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1228 | 2.00 | 4 | 0.38 | 40 | 15.20 | |
| | Girvalakis, Spyridon | | | 1628 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Loukaidis, Andronikos | | | 1006 | GRE | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Cruceru, Lavinel | | | 1628 * | ROU | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Fardoulis, Ioannis | | | 1095 | GRE | 1.00 | 1 | 0.32 | 40 | 12.80 | | | * 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) | | | | 2019 Attica Friendship Cup Nikos Strofalis Group A Rounds 1-3 | ESSNA | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1228 | 0.00 | 1 | -0.31 | 40 | -12.40 | |
| | Kelidis, Panagiotis | | | 1370 | GRE | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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