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Individual Calculations October 2023 |
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| Mei, Zerui Titus Total change: -52.00 | |   |
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| 2023 Calchess Open Championship - B | Milpitas, California | USA | 2023-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1463 | 1511 | 2.50 | 5 | -0.32 | 40 | -12.80 | |
|  Bhattacharjya, Rishi | | | 1434 | USA | 0.00 | 1 | -0.61 | 40 | -24.40 | |  Ash, Richard D | | | 1621 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Liu, Serena | | | 1472 | USA | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Yu, Prescott | | | 1469 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Fan, Jimmy Qinmo | | | 1320 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 2023 1000GM September BonaFIDE U2000 | Sunnyvale, CA | USA | 2023-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1511 | 1.50 | 4 | -0.98 | 40 | -39.20 | |
| | Zou, Andrew | | | 1437 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Su, Michael | | | 1432 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Jain, Kanishk | | | 1436 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Penagalapati, Anvitha | | | 1383 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | |
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) | | |
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