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Individual Calculations September 2011 |
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| Amarasinghe, Prashantha Total change: 18.60 | |   |
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| 2011 FIDE Continental America's Amateur Chess Championship | Rosemont, Illinois | USA | 2011-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 2025 | 4.00 | 5 | 1.86 | 15 | 27.90 | |
|  Virkud, Apurva | | | 1782 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Smith, Garrett L | | | 2103 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Pamatmat, Jarod M | | | 2136 | USA | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Haessler, Carl A | | | 2167 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Yang, Michael | | | 2187 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | |
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 8th FIDE Open Rating Tournament | Minneapolis,MN | USA | 2011-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 2025 | 1.50 | 3 | -0.62 | 15 | -9.30 | |
| | Voje, Daniel W | | | 1881 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Ravi, Saisree | | | 1720 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Hortillosa, Andres | | | 1974 | 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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