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Individual Calculations September 2010 |
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| Matikozyan, Andranik Total change: -4.30 | |   |
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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 |
| 2310 | 2478 | 4.50 | 6 | 0.38 | 10 | 3.80 | |
|  Zhang, Eric | | | 2078 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Fuentes, Romulo C | | | 2197 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Sevillano, Enrico | m | | 2502 | USA | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Tanaka, Christian | | | 2127 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Ramirez, Alejandro | g | | 2562 | CRC | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Zilberstein, Dmitriy | m | | 2391 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | * 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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2306 | 2478 | 2.00 | 3 | -0.17 | 10 | -1.70 | |
| | Thaler, Michael | | | 2253 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Langer, Michael | f | | 2280 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Ginsburg, Mark | m | | 2385 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | |
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 |
| 2370 | 2478 | 5.00 | 9 | -0.64 | 10 | -6.40 | |
| | Minasyan, Arnold | | | 2216 | ARM | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Ajrapetian, Gevorg | m | | 2427 | RUS | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Matinian, Nikita | | | 2380 | RUS | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Arutinian, David | g | | 2572 | GEO | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Petrosyan, Manuel | | | 2078 * | ARM | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Mirumian, Vigen | g | | 2504 | CZE | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Petrosian, Davit G. | g | | 2492 | ARM | 0.00 | 1 | -0.48 | 10 | -4.80 | | | Rohonyan, Katerina | | wg | 2319 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Hambardzumian, Yuri | m | | 2342 | ARM | 0.50 | 1 | -0.18 | 10 | -1.80 | | | * 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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