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Individual Calculations January 2011 |
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| Hajioannou, Dimos Total change: -10.20 | |   |
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| 7th open Pagratiou <1900 national or intern. rating | Pagrati - Athens | GRE | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1493 | 0.00 | 3 | -0.45 | 15 | -6.75 | |
|  Pramateftakis, Nikolaos | | | 1861 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Soursos, Panayotis | | | 1703 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Nikolaidis, Georgios | | | 1833 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | 108th Ambelokipi Open | Ambelokipi - Athens | GRE | 2010-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 1493 | 0.00 | 2 | -0.30 | 15 | -4.50 | |
| | Papamichael, Georgios | | | 1879 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | |  Maratos, Antonios | | | 1721 | GRE | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | 109th Ambelokipi Open | Ambelokipi - Athens | GRE | 2010-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1488 | 0.50 | 2 | -0.18 | 15 | -2.70 | |
| | Vazelakis, Dimitrios | | | 1888 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Karatzanos, Konstantinos | | | 1414 | GRE | 0.50 | 1 | -0.10 | 15 | -1.50 | | | * 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) | | | | 8th open tournament SOP-SMAOK under <1900 | Pagrati - Athens | GRE | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1488 | 0.50 | 2 | 0.25 | 15 | 3.75 | |
| | Nikolaidis, Georgios | | | 1833 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Stamatakos, Dimitrios | | | 1792 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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