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Individual Calculations October 2018 |
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| Ostrovskiy, Aleksandr Total change: -1.90 | |   |
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| 84th Annual Southwest Open | Irving, Texas | USA | 2018-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2341 | 2425 | 5.00 | 9 | -0.32 | 10 | -3.20 | |
|  Dejmek, Mark | | | 2025 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Kung, Thomas | | | 2132 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Matsenko, Sergei | g | | 2533 | RUS | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Vorontsov, Pavlo | g | | 2578 | UKR | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Checa, Nicolas | m | | 2478 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Raznikov, Danny | g | | 2498 | ISR | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Vivekananthan, Anish | | | 2132 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Ynojosa Aponte, Felix Jose | m | | 2370 | VEN | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Li, Ben | f | | 2324 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | * 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) | | | | Marshall Premier September 2018 | New York, New York | USA | 2018-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2425 | 3.50 | 5 | 0.13 | 10 | 1.30 | |
| | Huston, Gus | | | 2138 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Zhang, Alan | | | 2110 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Zong, Davis | | | 2179 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Lapshun, Yury | m | | 2390 | USA | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Azarov, Sergei | g | | 2565 | BLR | 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) | | |
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