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Individual Calculations September 2011 |
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| Fedorowicz, John Peter Total change: -14.40 | |   |
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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 |
| 2216 | 2454 | 5.00 | 8 | -1.19 | 10 | -11.90 | |
|  Peev, Pavel | | | 2054 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Pitre, Ron | | | 2111 | CAN | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Yee, Lorne | | | 2210 | CAN | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Larochelle, Martial | | | 2086 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Perez Rodriguez, Luis Manuel | g | | 2467 | CUB | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Henry, Liam | | | 2150 | CAN | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Cummings, David | m | | 2350 | CAN | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Pechenkin, Vladimir | f | | 2297 | CAN | 0.50 | 1 | -0.21 | 10 | -2.10 | | | * 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) | | | | 2011 Manhattan Open - Open Section | New York, New York | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2454 | 3.50 | 5 | -0.25 | 10 | -2.50 | |
| | Barrett, Steve | | | 2236 | ENG | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Kovalchuk, Igor | | | 2054 * | UKR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Betaneli, Alex | f | | 2255 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Zhao, Parker B | | | 2382 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Getz, Alec | f | | 2313 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | * 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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