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Individual Calculations September 2009 |
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| Harper, Ryan Total change: 12.90 | |   |
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| 2nd New York International | New York, NY | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2414 | 2206 | 4.00 | 9 | 1.80 | 15 | 27.00 | |
|  Braylovskiy, Grigory | | | 2358 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Zenyuk, Iryna | c | wm | 2305 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Yeager, Daniel A | f | | 2372 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Krush, Irina | m | wg | 2452 | USA | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Kacheishvili, Giorgi | g | | 2556 | GEO | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Shankland, Samuel | m | | 2446 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Yudasin, Leonid | g | | 2550 | ISR | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Molner, Mackenzie | | | 2384 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Ravichandran, Siddhar | | | 2303 | IND | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | Trinidad and Tobago 3rd Preliminary National Championship Open 2009 | San Fernando | TRI | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2223 | 5.00 | 7 | -0.14 | 15 | -2.10 | |
| | Wiltshire, Esan | | | 1933 | TRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Singh, Vishnu | | | 1964 | TRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Joseph, Marcus | | | 2158 | TRI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Sears, Frank | | | 1956 | TRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Pouchet, Michael | f | | 2073 | TRI | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Marcelle, Joffrey | | | 2029 | TRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Merritt, Mario | f | | 2139 | TRI | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | Caribbean Chess Carnival 2009 - Open | Port of Spain | TRI | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2223 | 5.50 | 9 | -0.80 | 15 | -12.00 | |
| | Hanoeman, Suradj | | | 1908 | SUR | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Ramadhar, Kishore | | | 2099 | TRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Kadimova, Ilaha | | wg | 2331 | AZE | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Winter-Roach, Alex | | | 2026 | TRI | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Sears, Frank | | | 1956 | TRI | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Singh, Ravishen | | | 2116 | TRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Ubaldo Suarez, Maria Gisela | | wm | 2102 | VEN | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Lee, Cecil | | | 1956 | TRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Howell, Shamel | | | 2060 | BAR | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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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