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Individual Calculations October 2018 |
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| Coleman, Teddy Total change: -16.90 | |   |
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| 2018 CalChess State Championship | Union City, California | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2378 | 1.00 | 2 | -0.82 | 10 | -8.20 | |
|  Canessa, John | | | 1978 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Li, Eric Yuhan | c | | 2008 | USA | 0.00 | 1 | -0.90 | 10 | -9.00 | | | * 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) | | | | GM George Koltanowski Memorial | Milpitas, California | USA | 2018-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2378 | 1.50 | 3 | -0.87 | 10 | -8.70 | |
| | Santanna, Paulo | | | 1978 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Taghizadeh, Rayan | f | | 2302 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Yanayt, Eugene | f | | 2081 | USA | 0.00 | 1 | -0.85 | 10 | -8.50 | | | * 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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