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Individual Calculations April 2018 |
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| Qiao, Joey Total change: 182.40 | |   |
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| 2018 Reidstra Memorial Under 2000 | Kitchener | CAN | 2018-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1286 | 2.50 | 4 | 2.10 | 40 | 84.00 | |
|  Maheux, Pierre | | | 1686 * | CAN | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Kuehl, Scott | | | 1655 | CAN | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Uthayakumar, Ronan | | | 1669 | CAN | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Hammarstrom, Orjan | | | 1604 | CAN | 1.00 | 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) | | | | 2018 Aurora Spring Open U2000 | Aurora | CAN | 2018-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1545 | 1286 | 3.50 | 5 | 2.46 | 40 | 98.40 | |
| | Zhao, Jeffrey R | | | 1319 | CAN | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Hannah, Brandon | | | 1609 | CAN | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Robertson, Kole | | | 1678 | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | McGlynn, Danny | | | 1686 * | CAN | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Liu, Harrison (hangchen) | | | 1434 | CAN | 0.50 | 1 | 0.20 | 40 | 8.00 | | | * 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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