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Individual Calculations April 2009 |
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| Waidyaratne, Kasun Total change: 18.75 | |   |
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| 32nd Cardinal Open | Columbus, Ohio | USA | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2153 | 0.50 | 1 | -0.10 | 15 | -1.50 | |
|  Varadaraj, Srikar | | | 2080 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | 2009 Central Ohio Invitational | Dublin, Ohio | USA | 2009-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2153 | 6.00 | 9 | 1.35 | 15 | 20.25 | |
|  Hayes, John R | | | 1944 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Bath, John | | | 2186 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Bennett, Allan D | f | | 2242 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Ramer, Scott Leo | | | 2133 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Varadaraj, Srikar | | | 2080 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Pappu, Ananth | | | 2116 | USA | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Vilenchuk, Michael | | | 2184 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Stopa, John Russel | | | 2267 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Casden, Alan | | | 2103 | USA | 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) | | |
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