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Individual Calculations January 2012 |
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| Alexakis, Georgios Total change: 19.05 | |   |
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| Attica Youth Under 16 Team Championships 2011 | Attica | GRE | 2011-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1574 | 1.00 | 1 | 0.32 | 15 | 4.80 | |
|  Dermitzakis, Pavlos | | | 1441 | GRE | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | ESSNA under 16 team championship 2011 | Attica | GRE | 2011-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1605 | 2.00 | 3 | 0.70 | 15 | 10.50 | |
| | Margaritis, Ioannis | | | 1578 | GRE | 1.00 | 1 | 0.46 | 15 | 6.90 | |  Ioannidis, Evgenios | | | 1901 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Tsouba, Maria | | | 1525 | GRE | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | 46th Individual Chess Championship of Piraeus - G.Fournarakos Memorial | Piraeus | GRE | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 1605 | 2.50 | 6 | 0.48 | 15 | 7.20 | |
| | Sklavounos, Panayotis | | | 1992 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Asvestopoulou, Evdokia | | | 1585 | GRE | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Kafkalas, Nikolaos | | | 1499 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Charisiadis, Archimidis | | | 1759 | GRE | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Gkavalias, Dimitrios | | | 1687 | GRE | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Alexakis, Dimitrios | | | 2005 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | 4th Greek Youth Team Championship 2011 - Finals | Vrahati, Korinthos | GRE | 2011-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1565 | 1605 | 2.00 | 4 | -0.23 | 15 | -3.45 | |
| | Papakonstantinou, Georgios | | | 1379 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Nikolakis, Panagiotis Marios | | | 1369 | GRE | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Anthopoulos, Hristos | | | 1609 | GRE | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Ioannidis, Evgenios | f | | 1901 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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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