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Individual Calculations September 2009 |
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| Nikolaidis, Georgios Total change: -18.30 | |   |
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| 2nd Open below 1800 national rating | Pagrati - Athens | GRE | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1912 | 3.00 | 5 | 0.33 | 15 | 4.95 | |
|  Maroulakos, Stavros | | | 1774 | GRE | 0.00 | 1 | -0.69 | 15 | -10.35 | |  Georgiopoulos, Har | | | 1922 | GRE | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Hatzigeorgiou, Mihail | | | 1912 | GRE | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Vlahos, Ellisseos | | | 2005 | GRE | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Antoniadis, Konstantinos | | | 1823 | GRE | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | 1st Spring Open SOP - SMAOK | Pagrati - Athens | GRE | 2009-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1912 | 1.00 | 6 | -1.40 | 15 | -21.00 | |
| | Zografos, Achilleas | | | 2117 | GRE | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Vlahos, Ellisseos | | | 2005 | GRE | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Koerant, Filipos | | | 2073 | GRE | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Raptakis, Solon | | | 2027 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Siaparinas, Konstantinos | | | 1930 | GRE | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Maroulakos, Stavros | | | 1774 | GRE | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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) | | | | 4th International Open Chess Tourn. "Summer Cup 2009" | N.Marmaras, Halkidiki | GRE | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 1912 | 1.50 | 5 | -0.15 | 15 | -2.25 | |
| | Pavlidis, Anastasios | f | | 2312 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ioannidis, Evgenios | | | 1512 * | GRE | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Mattsson, Michael | | | 2116 | SWE | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Hrisanthopoulos, Dimitrios | | | 2128 | GRE | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Jevtic, Miroljub | | | 2164 | SRB | 0.00 | 1 | -0.19 | 15 | -2.85 | | | * 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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