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Individual Calculations July 2011 |
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| Ihtigiaroglou, Prodromos Total change: -11.95 | |   |
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| 7th Kalamaria Spring Open | Kalamaria, Thessaloniki | GRE | 2011-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1765 | 4.00 | 5 | 0.59 | 25 | 14.75 | |
|  Mastrakoulis, Simeon | | | 1428 | GRE | 1.00 | 1 | 0.12 | 25 | 3.00 | |  Papadopoulos, Kiriakos | | | 1602 | GRE | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Kosmidis, Konstantinos | | | 1690 | GRE | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Sakellaridis, Grigorios | | | 1635 | GRE | 1.00 | 1 | 0.32 | 25 | 8.00 | | | Tsironis, Alexandros | | | 1740 | GRE | 0.50 | 1 | -0.03 | 25 | -0.75 | |
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) | | | NOTE: K factor changed | | 4th spring open Triandrias - Vasilis Sevastopoulos | Thessaloniki | GRE | 2011-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1576 | 1765 | 2.50 | 6 | -1.78 | 15 | -26.70 | |
| | Peskelidis, Marios | | | 1546 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Giannopoulos, Ioannis | | | 1666 | GRE | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Pambalou, Fotini | | | 2118 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sideris, Hristos | | | 1365 * | GRE | 0.00 | 1 | -0.92 | 15 | -13.80 | | | Maltezos, Apostolos | | | 1389 | GRE | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Koutsoura, Georgia | | | 1370 | GRE | 0.50 | 1 | -0.42 | 15 | -6.30 | | | * 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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