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Individual Calculations November 2018 |
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| Ostrovskiy, Aleksandr Total change: -2.80 | |   |
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| 10th Annual Washington Chess Congress | Falls Church, Virginia | USA | 2018-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2423 | 5.50 | 9 | -0.47 | 10 | -4.70 | |
|  Park, Evan | | | 2065 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Kretchetov, Alexandre | f | | 2180 | RUS | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Belous, Vladimir | g | | 2530 | RUS | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Easton, Jack | | | 2177 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Shabalov, Alexander | g | | 2548 | USA | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Yanayt, Eugene | f | | 2137 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Brodsky, David | m | | 2419 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Pressman, Leif | f | | 2273 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Zhou, Liran | c | | 2249 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | |
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) | | | | 2018 SPICE Cup Open | St. Louis, Missouri | USA | 2018-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2430 | 2423 | 4.50 | 9 | 0.19 | 10 | 1.90 | |
| | Gosdin, Kaleb Ryder | | | 2029 | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Peng, David | f | | 2341 | USA | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Prohaszka, Peter | g | | 2626 | HUN | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Kiewra, Keaton | m | | 2375 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Cori, Jorge | g | | 2664 | PER | 0.00 | 1 | -0.20 | 10 | -2.00 | | | Yanayt, Eugene | f | | 2137 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Cordova, Emilio | g | | 2609 | PER | 0.50 | 1 | 0.24 | 10 | 2.40 | | | Chandra, Akshat | g | | 2471 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Quesada Perez, Yuniesky | g | | 2622 | CUB | 0.00 | 1 | -0.24 | 10 | -2.40 | |
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) | | |
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