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Individual Calculations February 2019 |
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| Brodsky, David Total change: -1.80 | |   |
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| 2018 Marshall Premier January 2019 | New York, New York | USA | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 2404 | 4.00 | 5 | 0.64 | 10 | 6.40 | |
|  Vogel, Jacob | | | 2040 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Busygin, Stanislav | | | 2170 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Bonin, Jay | m | | 2282 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Perez, Robert | | | 2377 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Krush, Irina | g | wg | 2436 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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) | | | | 1st Manhattan Classical Chess Championship | New York, New York | USA | 2019-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2404 | 1.00 | 2 | -0.82 | 10 | -8.20 | |
| | Brain, Logan | | | 2040 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Barutcu, Baris | | | 2004 * | TUR | 0.50 | 1 | -0.42 | 10 | -4.20 | | | * 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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