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Individual Calculations July 2010 |
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| Purcell, Brendan T Total change: 23.40 | |   |
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| Chess.MN 4th FIDE Invitational Rating Tournament | Minneapolis,MN | USA | 2010-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2006 | 6.00 | 9 | 1.08 | 15 | 16.20 | |
|  Zagar, Dane B | | | 1650 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Chernov, Andrey | | | 1996 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Tang, Andrew | | | 1834 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Fellman, Mike | | | 1983 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Amarasinghe, Prashantha | | | 1997 | SRI | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Wasiluk, Kevin M | | | 2218 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Bu, Kevin | | | 2033 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Hortillosa, Andres | | | 2027 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Powell, Alexander | | | 1944 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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 Inaugural FIDE Open Swiss Tournament | Minneapolis,MN | USA | 2010-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2006 | 0.50 | 3 | -0.70 | 15 | -10.50 | |
| | Iwu, Okechukwu A. | | | 2184 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Dahl, Matthew D | | | 2063 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Amarasinghe, Prashantha N. | | | 1997 | SRI | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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 5th FIDE Invitational Rating Tournament | Eagan, Minnesota | USA | 2010-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2006 | 2.50 | 4 | 1.18 | 15 | 17.70 | |
| | Simonse, Jimmy | | | 2108 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Yang, Michael | | | 2139 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Karagianis, Petros | | | 2217 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kalina, Chris M | | | 2068 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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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