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Individual Calculations June 2015 |
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| Zhou, Qiyu Total change: 74.80 | |   |
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| 2015 McGill Open | Montreal | CAN | 2015-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2069 | 2.00 | 3 | 1.06 | 40 | 42.40 | |
|  Bolduc, Steve | | | 2216 | CAN | 1.00 | 1 | 0.70 | 40 | 28.00 | |  Gachet, Sebastien | f | | 2293 | FRA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Libersan, Thierry | | | 2123 | CAN | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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 Ontario Open - Open | Brantford | CAN | 2015-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2069 | 3.00 | 6 | 0.81 | 40 | 32.40 | |
| | Zybura, Andre | | | 1941 | CAN | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Thavandiran, Shiyam | f | | 2305 | CAN | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Doubleday, William G | | | 1998 | CAN | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Plotkin, Victor | f | | 2324 | CAN | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Zhang, Yuanchen | f | | 2183 | CAN | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Song, Michael | f | | 2315 | CAN | 0.00 | 1 | -0.19 | 40 | -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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