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Individual Calculations August 2015 |
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| Brodsky, David Total change: 3.80 | |   |
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| 3rd Annual DC International | Arlington, Virginia | USA | 2015-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2279 | 4.50 | 9 | -0.86 | 20 | -17.20 | |
|  Srihari, N | | | 1879 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Li, Ruifeng | f | | 2394 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Bustamante Orta, Jorge | | | 2120 | MEX | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Violini, Paolo | | | 1975 | ITA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Maldonado, Oscar | | | 2116 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Wang, Kevin | f | | 2363 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Nieto, Manuel Valerio Waldo | | | 2080 | COL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Korley, Kassa | m | | 2435 | DEN | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Gauri, Shankar | f | | 2365 | IND | 0.00 | 1 | -0.38 | 20 | -7.60 | | | * 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) | | | | 8th New York International Championship | New York, New York | USA | 2015-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2279 | 5.50 | 9 | 1.05 | 20 | 21.00 | |
| | Ruiz, Ryan | | | 2060 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Rohde, Michael A | g | | 2447 | USA | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Kaliksteyn, Alexander | f | | 2395 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Miyasaka, Marcus M | | | 2111 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Steingrimsson, Hedinn | g | | 2562 | ISL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Barrett, Stephen J | | | 2202 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Burke, John M | | | 2258 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Prilleltensky, Matan | | | 2180 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Sorkin, Igor | | | 2358 | ISR | 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) | | |
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