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Individual Calculations February 2016 |
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| Barbosa, Oliver Total change: 0.70 | |   |
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| 25th Annual North American Open | Las Vegas, Nevada | USA | 2015-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2518 | 6.50 | 9 | 0.27 | 10 | 2.70 | |
|  Colas, Joshua | f | | 2245 | USA | 0.00 | 1 | -0.83 | 10 | -8.30 | |  Hong, Andrew Z | | | 2178 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Atoufi, Pedram | f | | 2261 | IRI | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Wang, Michael | | | 2118 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Wheeler, Cameron | f | | 2369 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Tang, Andrew | m | | 2416 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Dreev, Aleksey | g | | 2644 | RUS | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Zhou, Jianchao | g | | 2606 | CHN | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Song, Michael | f | | 2340 | CAN | 1.00 | 1 | 0.27 | 10 | 2.70 | | | * 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) | | | | 7th Annual Golden State Open | Concord, California | USA | 2016-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2390 | 2508 | 3.00 | 5 | -0.20 | 10 | -2.00 | |
| | Heiserman, Jimmy P | | | 2156 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Stukopin, Andrey | g | | 2558 | RUS | 0.00 | 1 | -0.43 | 10 | -4.30 | | | Grabinsky, Aaron | | | 2338 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Perelshteyn, Eugene | g | | 2515 | USA | 0.00 | 1 | -0.49 | 10 | -4.90 | | | Coleman, Teddy | m | | 2384 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | |
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) | | |
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