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Individual Calculations March 2011 |
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| Ritchie, G Total change: -8.50 | |   |
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| 2011 Ottawa Winter Open | Ottawa, Ontario | CAN | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2046 | 1.00 | 3 | -0.26 | 25 | -6.50 | |
|  Sadeghi, Saeid | | | 2141 | CAN | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Collins, Christian | | | 2091 | CAN | 0.50 | 1 | 0.06 | 25 | 1.50 | |  Doubleday, William | | | 2085 | CAN | 0.50 | 1 | 0.05 | 25 | 1.25 | |
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) | | | | Bermuda International Open 2011 | Southampton | BER | 2011-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2046 | 1.50 | 3 | -0.08 | 25 | -2.00 | |
| | Ebbin, L | | | 1646 * | BER | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Moffat, A | | | 2182 | CAN | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Fernandez, J | | | 2163 | USA | 0.50 | 1 | 0.16 | 25 | 4.00 | | | * 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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