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Individual Calculations January 2019 |
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| Ostrovskiy, Aleksandr Total change: 3.30 | |   |
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| 102nd Edward Lasker Memorial and MCC Championship | New York, New York | USA | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2296 | 2420 | 6.00 | 9 | 0.24 | 10 | 2.40 | |
|  Umayan, Vincent | | | 2090 | PHI | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Yanayt, Eugene | f | | 2163 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Azarov, Sergei | g | | 2556 | BLR | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Perez, Robert | | | 2379 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Jacobson, Brandon | m | | 2414 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Bellows, Samuel | | | 2020 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Rohde, Michael | g | | 2353 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Burke, John | g | | 2542 | USA | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Tian, Eddy | | | 2151 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | * 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) | | | | 2018 Charlotte Open | Charlotte, North Carolina | USA | 2018-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2436 | 5.00 | 7 | 0.09 | 10 | 0.90 | |
| | Prabhu, Naveen | | | 2036 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Copeland, Samuel | | | 2121 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Moon, Benjamin | | | 2256 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Moradiabadi, Elshan | g | | 2534 | USA | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Lenderman, Aleksandr | g | | 2632 | USA | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Myers, Dominique | | | 2036 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Cremisi, Daniel | | | 2145 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | * 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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