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Individual Calculations February 2019 |
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| Ostrovskiy, Aleksandr Total change: 10.80 | |   |
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| Bay Area International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2371 | 2439 | 5.50 | 9 | 0.17 | 10 | 1.70 | |
|  Nagarajan, Pranav | | | 2206 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | |  Bruzon Batista, Lazaro | g | | 2664 | CUB | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Oconnor, Derek | | | 2275 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Ynojosa Aponte, Felix Jose | m | | 2368 | VEN | 0.00 | 1 | -0.60 | 10 | -6.00 | | | Kumar, Nikhil | f | | 2281 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Williams, Justus | f | | 2316 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Jacobson, Aaron | f | | 2286 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Kiewra, Keaton | m | | 2362 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Dragun, Kamil | g | | 2578 | POL | 0.50 | 1 | 0.19 | 10 | 1.90 | |
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) | | | | Winter 2019 CCCSA GM Norm Invitational | Charlotte, North Carolina | USA | 2019-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2472 | 2439 | 5.00 | 9 | 0.91 | 10 | 9.10 | |
| | Panchanathan, Magesh | g | | 2499 | IND | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Korley, Kassa | m | | 2450 | DEN | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Belous, Vladimir | g | | 2533 | RUS | 1.00 | 1 | 0.63 | 10 | 6.30 | | | Shmelov, Denys | m | | 2461 | UKR | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Brown, Michael | m | | 2524 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Stukopin, Andrey | g | | 2565 | RUS | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Shankar, Gauri | f | | 2359 | IND | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Wang, Kevin | m | | 2450 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Jacobson, Brandon | m | | 2404 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | |
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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