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Individual Calculations November 2009 |
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| Khachiyan, Melikset Total change: 1.70 | |   |
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| 31st Annual Southern California Open | San Diego, California | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2528 | 4.00 | 5 | 0.09 | 10 | 0.90 | |
|  Gurczak, John | | | 2128 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Liu, Elliott | f | | 2315 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | |  Kretchetov, Alexandre | f | | 2365 | RUS | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Aldama, Dionisio | m | | 2451 | MEX | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Troff, Kayden Will | | | 2174 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | * 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) | | | | 2009 Los Angeles Open | Los Angeles, California | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2528 | 4.00 | 5 | 0.08 | 10 | 0.80 | |
| | Popova, Elena | | | 2128 * | RUS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Porter, Ryan W | f | | 2269 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Kretchetov, Alexandre | f | | 2365 | RUS | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Adelberg, David | | | 2195 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Matikozyan, Andranik | m | | 2470 | ARM | 0.50 | 1 | -0.08 | 10 | -0.80 | | | * 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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