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Individual Calculations June 2023 |
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| Bortnyk, Mykola Total change: 2.20 | |   |
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| NYC Chess Norms Spring 2023 IM B - Schiller | New York City, New York | USA | 2023-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2425 | 5.00 | 9 | -1.29 | 10 | -12.90 | |
|  Bortnyk, Mariia | | | 2188 | UKR | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Reiss, Aiden | | | 2138 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | |  Navrotescu, Andreea | | wg | 2253 | FRA | 0.00 | 1 | -0.73 | 10 | -7.30 | | | Luo, Terry | f | | 2321 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Lee, Alice Teresa | f | wm | 2391 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Colas, Joshua | f | | 2342 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Zhao, Erick | f | | 2275 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Xu, Grant Y | | | 2273 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Tanenbaum, Zachary | c | | 2261 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | |
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) | | | | 2023 May Marshall Premier | New York, NY | USA | 2023-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2425 | 5.00 | 5 | 1.51 | 10 | 15.10 | |
| | Jiang, Jason | | | 2025 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Oh, James | | | 1981 | USA | 1.00 | 1 | 0.06 | 10 | 0.60 | | | Lapshun, Yury | m | | 2350 | USA | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Wang, Kevin | m | | 2410 | USA | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Schmakel, Sam | m | | 2420 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | | | * 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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