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Individual Calculations August 2015 |
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| Graif, William Total change: 14.80 | |   |
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| 43rd Annual World Open | Arlington, Virginia | USA | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 1861 | 2.50 | 7 | 1.32 | 40 | 52.80 | |
|  Flaquer, Luis | f | | 2261 * | DOM | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Shi, Diwen | c | | 2153 | CAN | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Formanek, Edward W | m | | 2122 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Stancil, Kimani A | | | 2026 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Zheng, Andrew | | | 2113 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Garcia, Alvaro | f | | 2143 | COL | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Liu, Andrew | | | 2165 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * 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) | | | | 2015 CYCC U16 Open | Windsor | CAN | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1861 | 0.00 | 2 | -0.95 | 40 | -38.00 | |
| | Preotu, Razvan | m | | 2261 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lee, Stefano | | | 1541 | CAN | 0.00 | 1 | -0.87 | 40 | -34.80 | | | * 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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