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Individual Calculations January 2010 |
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| Sahinidis, Evagelos Total change: 38.85 | |   |
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| 2nd Youth Team Championship 2009 - ESSTH-HAL | Thessaloniki | GRE | 2009-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1576 | 1696 | 2.00 | 2 | 0.68 | 15 | 10.20 | |
|  Hatzigrigoriou, Georgios | | | 1552 | GRE | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Kotsalis, Evagelos | | | 1599 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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 Young Chess Meeting GRE-BUL | Thessaloniki | GRE | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1696 | 3.00 | 5 | 1.40 | 15 | 21.00 | |
| | Atanasov, Anatoli | | | 2018 | BUL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Dimitrova, Aseniya | | | 1747 | BUL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Stoev, Tsvetoslav | | | 1723 | BUL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Toshev, Vladimir | | | 1855 | BUL | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Jordanov, Kristijan | | | 1852 | BUL | 0.50 | 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) | | | | Greek Youth Under 16 Team Champ. Finals | N.Filadelfia - Athens | GRE | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1696 | 2.50 | 4 | 0.51 | 15 | 7.65 | |
| | Vlahakis, Nikos | | | 1411 | GRE | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Naoum, Spyridon | | | 1885 | GRE | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Serefidou, Despina | | | 1663 | GRE | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Papadopoulos, Georgios | | | 1805 | GRE | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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