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Individual Calculations October 2012 |
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| Amarasinghe, Prashantha Total change: 41.10 | |   |
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| 2012 Summer Wednesday Knighter | Minneapolis Minnesota | USA | 2012-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2065 | 5.50 | 9 | 1.17 | 15 | 17.55 | |
|  Hortillosa, Andres | | | 1965 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Turmo, Stephen J | | | 2076 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Dokken, Michael K | | | 2040 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Feshir, Medhat | | | 2131 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Tang, Andrew | | | 2065 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Richter, Alex J | | | 2002 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Wasiluk, Kevin | | | 2264 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kalina, Chris | | | 2041 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Hoover, Nathan E | | | 2128 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | 58th Iowa Open Championship | Iowa City, Iowa | USA | 2012-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2069 | 2.50 | 3 | 0.59 | 15 | 8.85 | |
| | Whitsell, Frank | | | 1782 | USA | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Gatica, Jose M | | | 1963 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Keating, Robert F | | | 2119 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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) | | | | Chess.MN 15th FIDE Open | Minneapolis, Minnesota | USA | 2012-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 2069 | 4.00 | 5 | 0.98 | 15 | 14.70 | |
| | Baker, John M | | | 1680 | USA | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Voje, Daniel W | | | 1844 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Wasiluk, Kevin M | | | 2264 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Iwu, Okechukwu N | | | 2189 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Chakrasali, Samarth | | | 1889 | USA | 1.00 | 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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