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Individual Calculations September 2010 |
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| Amarasinghe, Prashantha N Total change: -4.80 | |   |
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| 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 1997 | 0.00 | 3 | -0.68 | 15 | -10.20 | |
|  Zenyuk, Iryna | c | wm | 2276 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Rizzitano, James | m | | 2322 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Itkis, Hana | | wf | 2078 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | Chess.MN 2nd FIDE Open Rating Tournament | Minneapolis, Minnesota | USA | 2010-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2012 | 1.50 | 3 | 0.36 | 15 | 5.40 | |
| | Bu, Kevin | | | 2140 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Purcell, Brendan T | | | 2029 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Lange, Bryan A | | | 2136 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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) | | |
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