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Individual Calculations May 2011 |
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| Itkin, David Total change: 22.50 | |   |
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| 2011 KW Winter Open | Kitchener, Ontario | CAN | 2011-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 1929 | 2.00 | 5 | 1.06 | 15 | 15.90 | |
|  Calugar, Arthur | | | 2202 | CAN | 1.00 | 1 | 0.83 | 15 | 12.45 | |  Cummings, David | m | | 2329 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Dougherty, Michael | f | | 2204 | CAN | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Kleinman, Michael | | | 2170 | CAN | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Semianiuk, Konstantin | | | 2065 | CAN | 0.50 | 1 | 0.18 | 15 | 2.70 | | | * 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 Canadian Junior Ch | Mississauga, Ontario | CAN | 2011-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1929 | 3.00 | 6 | 0.44 | 15 | 6.60 | |
| | Peng, Jackie | | wc | 1837 | CAN | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Plotkin, Mark | | | 1794 | CAN | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Calugar, Arthur | | | 2202 | CAN | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Inigo, Aquino | | | 1956 | CAN | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Preotu, Razvan | | | 1921 | CAN | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Sapozhnikov, Roman | | | 2280 | CAN | 1.00 | 1 | 0.89 | 15 | 13.35 | |
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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