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Individual Calculations July 2010 |
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| Iwu, Okechukwu A Total change: 0.90 | |   |
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| Chess.MN Inaugural FIDE Open Swiss Tournament | Minneapolis,MN | USA | 2010-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2184 | 1.50 | 2 | 0.22 | 15 | 3.30 | |
|  Purcell, Brendan T | | | 2006 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Lange, Bryan A | | | 2149 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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) | | | | 19th Annual Chicago Open | Wheeling, Illinois | USA | 2010-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2184 | 1.50 | 5 | -0.94 | 15 | -14.10 | |
| | Najer, Evgeny | g | | 2584 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Shetty, Atulya A | | | 2085 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Smarty, Sylvester | | | 2057 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Brock, William H | | | 2007 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Kobas, Adnan | f | | 2320 | BIH | 0.00 | 1 | -0.32 | 15 | -4.80 | | | * 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) | | | | Chess.MN 5th FIDE Invitational Rating Tournament | Eagan, Minnesota | USA | 2010-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2184 | 2.50 | 3 | 0.78 | 15 | 11.70 | |
| | Dahl, Matthew D | | | 2063 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Kiiru, Joseph Kanyingi | | | 2187 | KEN | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Yang, Michael | | | 2139 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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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