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Individual Calculations September 2011 |
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| Itkin, David Total change: 27.15 | |   |
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| 2011 CAN Youth Ch U16 Open | Richmond Hill, Ontario | CAN | 2011-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2025 | 3.50 | 7 | -0.62 | 15 | -9.30 | |
|  Li, Ruokai David | | | 1940 | CAN | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Leu, Richard | | | 1743 | CAN | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Wu, Kevin | | | 1914 | CAN | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Semianiuk, Konstantin | | | 2052 | CAN | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Gusev, Nikita | | | 2071 | CAN | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Ivanov, Mike | | | 1934 | CAN | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Sohal, Tanraj S | | | 2032 | CAN | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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) | | | | 48th Canadian Open Chess Championship 2011 | Toronto, Ontario | CAN | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2025 | 3.50 | 7 | 0.99 | 15 | 14.85 | |
| | Deline, Ralph | | | 1865 | CAN | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Yoos, John C (jack) | f | | 2373 | CAN | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Cummings, David | m | | 2350 | CAN | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Macak, Stefan | m | | 2391 | SVK | 0.50 | 1 | 0.40 | 15 | 6.00 | | | Hambleton, Aman | f | | 2206 | CAN | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Florea, Alexandru | | | 1930 | CAN | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Preotu, Razvan | | | 1974 | CAN | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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 |
| 2209 | 2025 | 4.00 | 9 | 1.44 | 15 | 21.60 | |
| | Jiang, Louie | f | | 2348 | CAN | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Gelashvili, Tamaz | g | | 2425 * | GEO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Williams, Alan P | | | 2230 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Metz, Francisco | | | 2150 | DOM | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Wang, Lidong | | | 2170 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Schut, Han | | | 2142 | NED | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Tarifa, Alket | | | 2206 | ENG | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Dean-Kawamura, Ben | f | | 2397 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Dadello, Alexandra | | | 1811 | POL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | * 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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