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Individual Calculations March 2018 |
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| Mathews, Dan Total change: -52.80 | |   |
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| Seattle Masters February 2018 - Challengers | Seattle, Washington | USA | 2018-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1543 | 1.00 | 3 | -0.09 | 40 | -3.60 | |
|  Frantz, Joseph | | | 1943 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Li, Melina | | | 1373 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Anand, Vignesh | | | 1699 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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) | | | | 2018 Washington State Championship - Challengers | Seattle, Washington | USA | 2018-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1543 | 2.00 | 9 | -1.23 | 40 | -49.20 | |
| | Velea, Anne-Marie | | | 1734 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Jiang, Brandon | | | 1534 | USA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Xuan, Owen | c | | 1765 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Velea, Stephanie | | wc | 1493 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Whale, Nicholas | | | 1824 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Velea, Sophie | | wc | 1449 | USA | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Chen, Minda | | wc | 1779 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Harwood, Paul | | | 1716 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Vijayakumar, Advaith | | | 1601 | 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) | | |
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