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Individual Calculations March 2013 |
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| Iwu, Okechukwu N Total change: 5.55 | |   |
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| Chess.MN 16th FIDE Open | Minneapolis, Minnesota | USA | 2012-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 2159 | 3.00 | 4 | -0.33 | 15 | -4.95 | |
|  Ravi, Saisree | | | 1759 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Floeder, David Patrick | | | 1759 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Amarasinghe, Prashantha N | | | 2110 | SRI | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Quinn, Connor | | | 1759 * | USA | 1.00 | 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) | | | | 2012 Minnesota Class Championships | Plymouth, Minnesota | USA | 2012-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2159 | 1.50 | 2 | 0.11 | 15 | 1.65 | |
| | Hortillosa, Andres D | | | 1963 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Jensen, Matthew R | | | 2055 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | 2013 Minnesota Open Championship | St Paul, Minnesota | USA | 2013-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2179 | 3.50 | 5 | 0.59 | 15 | 8.85 | |
| | Quinn, Connor | | | 1782 | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Murphy, William Charles | | | 1919 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Adler, Victor | m | | 2377 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Bartholomew, John D | m | | 2435 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Leighton, John | | | 1999 | 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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