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Individual Calculations October 2019 |
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| Brodsky, David Total change: 2.60 | |   |
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| 141st Annual New York State Championship | Albany, New York | USA | 2019-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2428 | 4.00 | 6 | -0.28 | 10 | -2.80 | |
|  Zhu, Evelyn | | wm | 2044 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Dean-Kawamura, Ben | f | | 2330 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Liang, Jason | | | 2087 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Zeltsan, Joseph | | | 2293 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Barbosa, Oliver | g | | 2537 | PHI | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Tanenbaum, Zachary | | | 2151 | USA | 0.50 | 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) | | | | Marshall Premier September 2019 | New York, New York | USA | 2019-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2449 | 4.00 | 5 | 0.54 | 10 | 5.40 | |
| | Wiebe, Daniel | | | 2049 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Khamrakulov, Djurabek | g | | 2510 | UZB | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Huston, Gus | | | 2169 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Nakada, Akira | c | | 2218 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Jacobson, Brandon | m | | 2454 | USA | 1.00 | 1 | 0.51 | 10 | 5.10 | | | * 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) | | |
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