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Individual Calculations July 2009 |
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| Clark, Mark J Total change: -11.50 | |   |
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| 2009 Buffalo Masters | Buffalo, New York | USA | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2033 | 0.00 | 1 | -0.40 | 25 | -10.00 | |
|  Guo, Josh | | | 2108 | CAN | 0.00 | 1 | -0.40 | 25 | -10.00 | |
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) | | | | 31st Annual Marchand Open | Rochester, NY | USA | 2009-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2383 | 2033 | 0.00 | 1 | -0.11 | 25 | -2.75 | |
|  Lenderman, Alex | m | | 2383 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | Third Annual WNY Masters Championship 2009 | Buffalo, New York | USA | 2009-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2033 | 0.50 | 1 | 0.05 | 25 | 1.25 | |
| | Mark, Eddie E | | | 2066 | USA | 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) | | |
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