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Individual Calculations September 2010 |
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| Sevian, Samuel Total change: -26.55 | |   |
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| 15th Annual Pacific Coast Open | Agoura Hills, California | USA | 2010-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2132 | 1.50 | 4 | 0.10 | 15 | 1.50 | |
|  Zilberstein, Dmitriy | m | | 2391 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Reynolds, Robert I | f | | 2247 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Fuentes, Romulo C | | | 2197 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Kavutskiy, Konstantin | | | 2157 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | Pan-Armenian Chess Olympiad | Yerevan | ARM | 2010-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2132 | 1.00 | 7 | -1.87 | 15 | -28.05 | |
| | Airapetian, Gor | m | | 2436 | RUS | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Abrahamyan, Tatev | | wf | 2310 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Oknayan, Razmig | | | 1971 | LIB | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Rohonyan, Katerina | | wg | 2319 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Ambartsumova, Karina | | wm | 2309 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Giroyan, Gary | | | 2225 | FRA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Meseljyan, Astghik | | | 1834 | ARM | 0.00 | 1 | -0.85 | 15 | -12.75 | |
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) | | |
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