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Individual Calculations October 2023 |
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| Tia, Rudy Goce, Jr Total change: -57.00 | |   |
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| 2023 Calchess Open Championship - A | Milpitas, California | USA | 2023-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1677 | 0.00 | 3 | -2.15 | 20 | -43.00 | |
|  Lee, Jayden David | | | 1542 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Sethi, Kanwar, Jr | | | 1572 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | |  Ni, Leo | | | 1404 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | |
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 1000GM September BonaFIDE U2000 | Sunnyvale, CA | USA | 2023-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1369 | 1677 | 1.00 | 2 | -0.70 | 20 | -14.00 | |
| | Yi, Colin | | | 1306 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Su, Michael | | | 1432 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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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