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Individual Calculations November 2011 |
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| Koumtzis, Argirios Total change: 49.35 | |   |
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| 7th I.B.C.A JUNIOR WORLD CHAMPIONSHIP 2011 | Rhodes | GRE | 2011-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1647 | 1.00 | 4 | -0.01 | 15 | -0.15 | |
|  Ermolaev, Alexander | | | 1936 | RUS | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Czajkowski, Adam | | | 1761 | POL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Martinez Colomar, Alejandro | | | 1828 | ESP | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Janjic, Stefan | | | 1844 | SRB | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 5th I.B.C.A EUROPEAN INDIVIDUAL CHAMPIONSHIP | Rhodes | GRE | 2011-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1588 | 4.00 | 8 | 3.30 | 15 | 49.50 | |
| | Yatsishin, Ivan | | | 1988 * | UKR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Armstrong, William G | | | 1948 | ENG | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Tonteri, Ari | | | 1988 * | FIN | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Muri, Emil | | | 1988 * | SLO | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Znuderl, Matej | | | 1988 * | SLO | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Olsar, Jaroslav | f | | 1988 * | CZE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ilic, Andreas | | | 1988 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Holmela, Kari | | | 1923 | FIN | 1.00 | 1 | 0.88 | 15 | 13.20 | | | * 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) | | |
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