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Individual Calculations July 2008 |
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| Iwu, Okechukwu Total change: 23.25 | |   |
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| 10th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2008-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2145 | 2.00 | 7 | -0.34 | 15 | -5.10 | |
|  Ginsburg, Mark | m | | 2365 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Shmelov, Denys | | | 2274 | UKR | 0.00 | 1 | -0.33 | 15 | -4.95 | |  Forget, Luc | | | 2037 | CAN | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Formanek, Edward | m | | 2274 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Figler, Ilye | f | | 2332 | USA | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Molner, Mackenzie | | | 2333 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Salimbagat, Rico | f | | 2301 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | 17th Annual Chicago Open (U2300 Section) | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2173 | 4.00 | 6 | 1.18 | 15 | 17.70 | |
| | Brock, William | | | 1979 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Betaneli, Alexander | | | 2266 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Galofre, Charles | f | | 2318 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Francisco, Richard | | | 2225 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Weeramantry, Sunil | f | | 2224 | SRI | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Hughes, Tyler | | | 2151 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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) | | | | 2008 National Open | Las Vegas, Nevada | USA | 2008-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2363 | 2173 | 2.00 | 5 | 0.71 | 15 | 10.65 | |
| | Bradford, Joseph | m | | 2412 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Browne, Walter | g | | 2444 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Raptis, Nick | f | | 2259 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Bournival, Braden | f | | 2320 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Tate, Emory | m | | 2378 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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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