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Individual Calculations February 2023 |
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| Vale Cruz, Armin Total change: -47.20 | |   |
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| 2023 New Year Championship - AB | Milpitas, California | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1532 | 1.00 | 2 | -0.31 | 20 | -6.20 | |
|  Zhu, Thomas | | | 1452 | USA | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Srinivasan, Sivavishnu | | | 1385 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | 14th annual Golden State Open - U2100 Section | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1532 | 3.00 | 7 | -2.05 | 20 | -41.00 | |
| | Srinivasan, Sivavishnu | | | 1385 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Obrien, William Timothy | | | 1586 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Ma, Matthew | | | 1132 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zhang, Michelle | | | 1330 | USA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Bhattacharjya, Rishi | | | 1376 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Garbouz, Igor | | | 1373 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Chakraborty, Ritam | | | 1255 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | * 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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