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Individual Calculations May 2015 |
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| Arruebarrena, Rafael Total change: 15.60 | |   |
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| 2015 Edmonton Championship Reserves | Edmonton | CAN | 2015-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2224 | 4.50 | 5 | 0.45 | 20 | 9.00 | |
|  Wang, Kaixin | | | 1824 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Saheb, Salar | | | 1861 | IRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Briones, Dante | | | 1932 | CAN | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gardner, Robert | | | 2095 | CAN | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Miller, David | | | 2064 | CAN | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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) | | | | 2015 AB Closed Championship | Calgary | CAN | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2300 | 2250 | 2.50 | 5 | 0.33 | 20 | 6.60 | |
| | Yam, Alex | f | | 2285 | CAN | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Wang, Richard | m | | 2368 | CAN | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Porper, Edward | m | | 2431 | CAN | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Ng, Gary | | | 2200 | CAN | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Kazmaier, Daniel | | | 2216 | CAN | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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