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Individual Calculations January 2018 |
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| Gao, Raymond Total change: 17.60 | |   |
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| 2017 Mississauga Open U2000 | Mississauga | CAN | 2017-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1549 | 1474 | 1.00 | 2 | 0.19 | 40 | 7.60 | |
|  Zhao, Jeffrey Renfei | | | 1662 | CAN | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Clarke, Brian | | | 1435 | CAN | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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) | | | | 2017 Hart House Holidays Open U1900 | Toronto | CAN | 2017-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1474 | 2.00 | 4 | 0.25 | 40 | 10.00 | |
|  Armstrong, Robert J. | | | 1553 | CAN | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Zhao, Jeffrey R. | | | 1275 | CAN | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Zhou, Joey (junhe) | | | 1627 | CAN | 1.00 | 1 | 0.70 | 40 | 28.00 | | | O`sullivan, Patrick | | | 1624 | CAN | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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