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Individual Calculations March 2011 |
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| Amarasinghe, Prashantha Total change: 18.00 | |   |
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| 2010 Pan American Open | Milwaukee, Wisconsin | USA | 2010-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2407 | 2007 | 0.00 | 1 | -0.08 | 15 | -1.20 | |
|  Gonzalez, Renier | g | | 2407 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 5th FIDE Open Rating Tournament | Minneapolis,MN | USA | 2011-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2009 | 2.00 | 4 | 0.20 | 15 | 3.00 | |
| | Voje, Daniel W | | | 1882 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | |  Iwu, Okechukwu A | | | 2198 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Hortillosa, Andres | | | 1987 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Dahl, Matthew D | | | 2121 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | 118th Annual Warren Steinberg Memorial Annual Minnesota Open | Plymouth, Minnesota | USA | 2011-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2009 | 2.00 | 4 | 1.08 | 15 | 16.20 | |
| | Adler, Victor-Edvin | m | | 2395 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Lange, Bryan A | | | 2130 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Iwu, Okechukwu A | | | 2198 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Wasiluk, Kevin | | | 2208 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | |
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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