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Individual Calculations September 2009 |
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| Kousidis, Vergis Total change: -20.25 | |   |
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| 37th Greek Team Championship of A' Category | Halkidiki | GRE | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1851 | 2.50 | 5 | 0.75 | 15 | 11.25 | |
|  Kesidis, Odyseas | | | 1935 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | |  Galopoulos, Nikolaos | | | 2251 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Diasakos, Damianos | | | 1690 | GRE | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Kalogiannidis, Ioannis | | | 2020 | GRE | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Hrisomalis, Theodoros | | | 1998 | GRE | 0.50 | 1 | 0.20 | 15 | 3.00 | | | * 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) | | | | 18th Open Inter. Tourn. "KAVALA 2009" GROUP B | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1851 | 0.00 | 3 | -2.10 | 15 | -31.50 | |
| | Khouri, Ahmed Abbas | f | | 1939 | UAE | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Ioannidis, Evgenios | | | 1508 | GRE | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Malikentzou, Nafsika | | | 1568 | GRE | 0.00 | 1 | -0.84 | 15 | -12.60 | |
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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