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Individual Calculations June 2019 |
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| Cortinas, Martin Total change: 7.40 | |   |
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| Spring 2019 Tuesday Night Marathon - U2000 | San Francisco, California | USA | 2019-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1688 | 3.50 | 6 | 0.57 | 20 | 11.40 | |
|  Maser, Thomas | | | 1843 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Casares, Nick | | | 1477 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kim, Andy | | | 1632 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Bradley, Christopher | | | 1572 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Babayan, Gagik | | | 1789 | USA | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Krasnov, Steven | | | 1865 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | |
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) | | | | 2019 CalChess Senior State Championship | San Francisco, California | USA | 2019-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1775 | 1671 | 1.00 | 3 | -0.20 | 20 | -4.00 | |
| | Winslow, Elliott | m | | 2071 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Yamamoto, Craig | | | 1531 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Gran, Rahim | | | 1723 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | * 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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