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Individual Calculations April 2009 |
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| Koutroukis, Andreas Total change: 14.25 | |   |
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| White Tower 2008 | Thessaloniki - Greece | GRE | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1814 | 4.00 | 7 | 0.99 | 15 | 14.85 | |
|  Romanos, Theodoros | | | 2074 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Fregidis, Nikolaos | | | 1651 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Athanasiadis, Mihail | | | 2074 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Hatzinikolaou, Spyridon | | | 1480 | GRE | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Hidzos, Georgios | | | 2062 | GRE | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Kirgeridis, Panagiotis | | | 2060 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Makridis, Nikolaos-Lazaros | | | 1690 | GRE | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | BOYS UNDER 16 - THESSALONIKI CHAMP. 2009 | Thessaloniki | GRE | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1839 | 3.50 | 6 | 0.53 | 15 | 7.95 | |
| | Boutsioukis, Nikolaos | | | 1905 | GRE | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Ballas, Kleon-Evangelos | | | 1877 | GRE | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Konstantinidis, Konstantinos | | | 1944 | GRE | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Pantelidis, Hristos | | | 1650 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Dermentzis, Konstantinos | | | 1832 | GRE | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Gouliaros-Antoniadis, Alexandro | | | 1849 | GRE | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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) | | | | 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009 | Plovdiv | BUL | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1839 | 0.00 | 4 | -0.57 | 15 | -8.55 | |
| | Ketzetzis, Georgios | | | 2189 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Xia, Jie | | | 2189 | ITA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Dobrev, Nayden | | | 2142 | BUL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Basaric, Srdjan | | | 2070 | CRO | 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) | | |
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