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Individual Calculations October 2022 |
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| Zhou, Ivan Total change: 122.40 | |   |
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| 2022 CalChess State Open Class Championship - Class A | Milpitas, California | USA | 2022-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1458 | 3.00 | 4 | 1.18 | 40 | 47.20 | |
|  Selvam, Swagatha | | | 1241 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Jin, David | | | 1476 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Tia, Rudy Goce | | | 1757 | PNG | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Vale Cruz, Armin | | | 1518 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | 21st Donnelly Memorial Championship - U2000 | San Francisco, California | USA | 2022-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1458 | 3.50 | 4 | 1.88 | 40 | 75.20 | |
| | Lien, Henry | | | 1286 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Soltani, Mohammad | | | 1433 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Melville, Cailen Jeremiah | | | 1714 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Molodyk, Mikhail Alexandrovich | | | 1728 | RUS | 0.50 | 1 | 0.33 | 40 | 13.20 | |
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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