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Individual Calculations February 2018 |
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| Sirak, Guy Total change: 70.80 | |   |
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| 9th Annual Golden State Open | Concord, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1338 | 2.00 | 6 | 1.51 | 40 | 60.40 | |
|  Harmon-Vellotti, Luke | m | | 1738 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Walder, Michael | | | 1738 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Elisman, Maxim G | | | 1738 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Panugaling, Ronilo | | | 1722 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Riese, Kayven | | | 1738 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Wiebe, Isaac | | | 1738 * | CAN | 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) | | | | 2018 Bay Area Chess Championship | Santa Clara, California | USA | 2018-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1338 | 0.50 | 3 | 0.26 | 40 | 10.40 | |
| | Palusa, Maurya | | | 1738 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nathan, Krishna | | | 1738 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Tang, Michael | | | 1738 * | 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) | | |
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