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Individual Calculations July 2008 |
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| Williams, Christopher Total change: 53.55 | |   |
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| World Amateur Team | Parsippany, New Jersey USA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2201 | 0.50 | 3 | -0.97 | 15 | -14.55 | |
|  Minear, Peter | | | 2226 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | |  Riccardi, Thomas | | | 2115 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Jacobs, Jon | f | | 2292 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | 10th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2008-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2375 | 2201 | 5.50 | 9 | 2.96 | 15 | 44.40 | |
| | Shabalov, Alexander | g | | 2551 | USA | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Sarkar, Justin | m | | 2412 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Gulamali, Kazim | f | | 2353 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Critelli, James | f | | 2346 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Paragua, Mark | g | | 2521 | PHI | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Rentala, Nagendra | | | 2318 | IND | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Adu, Oladapo | m | | 2301 | NGR | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Onyekwere, Chikwere | | | 2241 | NGR | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Molner, Mackenzie | | | 2333 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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) | | | | 77th Massachusetts Open | Boxborough, MA | USA | 2008-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2356 | 2189 | 3.00 | 5 | 1.58 | 15 | 23.70 | |
| | Vigorito, David | m | | 2405 | USA | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Bournival, Braden | f | | 2320 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Rizzitano, James A | m | | 2323 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Enkin, Max | | | 2259 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Foygel, Igor | m | | 2475 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | |
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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