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Individual Calculations July 2015 |
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| Cummings, David Total change: -14.70 | |   |
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| 2015 Guelph Summer Pro-Am Pro | Guelph | CAN | 2015-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2342 | 1.50 | 4 | -1.47 | 10 | -14.70 | |
|  Hua, Eugene | c | | 1942 * | CAN | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Preotu, Razvan | m | | 2445 | CAN | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Song, Guannan Terry | | | 1964 | CAN | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Vettese, Nicholas | c | | 2124 | CAN | 0.00 | 1 | -0.78 | 10 | -7.80 | | | * 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) | | |
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