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Individual Calculations September 2011 |
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| Roller, Robert Total change: -15.90 | |   |
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| 48th Canadian Open Chess Championship 2011 | Toronto, Ontario | CAN | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2057 | 2.00 | 6 | -0.53 | 30 | -15.90 | |
|  Puri, Vinny | f | | 2256 | CAN | 0.50 | 1 | 0.26 | 30 | 7.80 | |  Yee, Lorne | | | 2210 | CAN | 0.00 | 1 | -0.30 | 30 | -9.00 | | | Serbanescu, Natasa | | | 1829 | CAN | 0.50 | 1 | -0.29 | 30 | -8.70 | | | Day, Lawrence | m | | 2251 | CAN | 0.50 | 1 | 0.25 | 30 | 7.50 | | | Patterson, Roger | | | 2141 | CAN | 0.50 | 1 | 0.12 | 30 | 3.60 | | | Hayder, Ali | | | 2005 | CAN | 0.00 | 1 | -0.57 | 30 | -17.10 | |
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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