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Individual Calculations April 2017 |
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| Yan, Rui Yang Total change: 122.80 | |   |
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| 42nd CalChess State Scholastic Championship 2017 | Santa Clara, California | USA | 2017-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1509 | 1172 | 2.00 | 3 | 1.61 | 40 | 64.40 | |
|  Kaleeswaran, Jaisuraj | | | 1572 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Sirak, Guy | | | 1382 | ISR | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Sartorio, William J | | | 1572 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 2017 Cal Chess Women's State Championship | Berkeley, California | USA | 2017-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1172 | 2.00 | 3 | 1.46 | 40 | 58.40 | |
| | Otterbach, Renate | | | 1262 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Tsogtsaikhan, Saikhanchimeg | | | 1572 * | MGL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Liang, Ting | | | 1572 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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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