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Individual Calculations May 2010 |
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| Iwu, Okechukwu A Total change: 9.30 | |   |
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| Chess.MN 3rd FIDE Invitational Rating Tournament | St. Paul, Minnesota | USA | 2010-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 2175 | 6.50 | 9 | 0.76 | 15 | 11.40 | |
|  Hortillosa, Andres | | | 2068 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Dahl, Matthew D | | | 2054 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Karagianis, Petros | | | 2203 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Wasiluk, Kevin | | | 2214 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Purcell, Brendan T | | | 1997 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Ratliff, David | | | 2060 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Mattson, Dane M | | | 2080 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Amarasinghe, Prashantha | | | 1959 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Odeh, Kenneth | | | 2012 | NGR | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | Philadelphia Open | Philadelphia, Pennsylvania | USA | 2010-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2175 | 3.00 | 6 | -0.14 | 15 | -2.10 | |
| | Bartell, Thomas | f | | 2376 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Lapshun, Yury | m | | 2443 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Dahl, Matthew D | | | 2054 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Rozovsky, Daniel | f | | 2041 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Ding, Andrew | | | 2037 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Finney, Stuart S | | | 2024 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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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