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Individual Calculations April 2009 |
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| Bartell, Thomas Total change: -6.90 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2375 | 0.00 | 1 | -0.82 | 15 | -12.30 | |
|  Sana, Mariano | | | 2116 | USA | 0.00 | 1 | -0.82 | 15 | -12.30 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2375 | 3.00 | 4 | 0.36 | 15 | 5.40 | |
|  Raghunathan, Yoges | | | 2025 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Stoyko, Stephen E | f | | 2254 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Molner, Mackenzie | | | 2394 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Coleman, Teddy | f | | 2284 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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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