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Individual Calculations July 2011 |
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| Iwu, Okechukwu Total change: 24.15 | |   |
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| Chess.MN 7th FIDE Open Rating Tournament | Minneapolis, Minnesota | USA | 2011-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 2158 | 4.00 | 5 | 0.34 | 15 | 5.10 | |
|  Zhao, Leighton | | | 1791 | USA | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Voje, Daniel W | | | 1883 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Dahl, Matthew D | | | 2133 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Plunkett, Robert | | | 2122 | USA | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Tang, Andrew | | | 1857 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2158 | 5.00 | 9 | 1.27 | 15 | 19.05 | |
| | Weiner, Zachary J | | | 1997 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Zin, Aung Thant | f | | 2295 | MYA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Roy, Myriam | | | 1924 | CAN | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Krush, Irina | m | wg | 2469 | USA | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Shabalov, Alexander | g | | 2558 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Dehmelt, Karl | f | | 2290 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Chen, Howard J | | | 2297 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Brock, William H | | | 2024 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Jones, Craig W | | | 2244 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | * 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) | | |
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