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Individual Calculations September 2015 |
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| Brodsky, David Total change: -32.40 | |   |
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| 4th Annual Washington International - Section A | Rockville, Maryland | USA | 2015-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2313 | 2283 | 3.00 | 8 | -0.67 | 20 | -13.40 | |
|  Bodek, Michael H | f | | 2428 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | |  Pressman, Leif | f | | 2276 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Eggleston, David J | m | | 2392 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Ruiz C, Joshua D | m | | 2390 | COL | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Checa, Nicolas D | f | | 2361 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Song, Guannan Terry | | | 2166 | CAN | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Cuarta Garcia, Braulio | | | 2129 | CUB | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Gauri, Shankar | f | | 2365 | IND | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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) | | | | 14th Annual Manhattan Open | New York, New York | USA | 2015-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 2283 | 1.50 | 4 | -0.95 | 20 | -19.00 | |
| | Zhang, Eric | | | 1883 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zvjaginsev, Vadim | g | | 2654 | RUS | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Gelman, Geoffrey | | | 2218 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Leker Locker, Maor | | | 1998 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | * 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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