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Individual Calculations April 2015 |
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| Yao, Sammy Total change: 62.40 | |   |
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| Tournoi Ouvert de Gatineau 2015 | Gatineau | CAN | 2015-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 1943 | 3.00 | 5 | 1.93 | 40 | 77.20 | |
|  Chiku-Ratte, Olivier Kenta | | | 2186 | CAN | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Gelblum, Robert | | | 2111 | CAN | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Davies, Alex | f | | 2191 | CAN | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Simic, Dusan | | | 2255 | SRB | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Valdizon, Armando | | | 2124 | CAN | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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) | | | NOTE: K factor changed | | Aurora Spring Open 2015 - Open | Aurora | CAN | 2015-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1943 | 1.00 | 3 | -0.74 | 20 | -14.80 | |
| | Liang, Hairan | | | 1779 | CAN | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Ye, Hanyuan | | | 1840 | CAN | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Chen, Richard | c | | 2032 | CAN | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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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