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Individual Calculations January 2011 |
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| Giannakoulias, Alexandros Total change: -35.25 | |   |
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| 108th Ambelokipi Open | Ambelokipi - Athens | GRE | 2010-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1629 | 2.00 | 6 | -1.24 | 25 | -31.00 | |
|  Koerant, Filipos | | | 1996 | GRE | 0.00 | 1 | -0.10 | 25 | -2.50 | |  Karatzanos, Konstantinos | | | 1400 | GRE | 1.00 | 1 | 0.21 | 25 | 5.25 | | | Samartzis, Mihail | | | 1858 | GRE | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Bitsanis, Georgios | | | 1449 | GRE | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Koutsidis, Achilleas | | | 1476 | GRE | 0.00 | 1 | -0.70 | 25 | -17.50 | | | Ntovas, Dimitrios | | | 1476 | GRE | 0.00 | 1 | -0.70 | 25 | -17.50 | |
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 |
| 1703 | 1604 | 1.00 | 3 | -0.17 | 25 | -4.25 | |
| | Mitrandzas, Athanasios | | | 2004 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Koutsidi, Amalia | | | 1246 | GRE | 1.00 | 1 | 0.10 | 25 | 2.50 | | | Lappas, Konstantinos | | | 1858 | GRE | 0.00 | 1 | -0.19 | 25 | -4.75 | | | * 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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