Individual Calculations March 2011 |
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Helfst, Matt Total change: -4.95 | | |
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20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
Rc | Ro | w | n | change | K | K*chg | Game |
2102 | 1919 | 0.50 | 5 | -0.94 | 15 | -14.10 | |
| Brownscombe, Tom | f | | 2168 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | Wang, Kevin | | | 2176 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | Panjwani, Raja | m | | 2319 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | Gershenov, Ben | | | 2044 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | Lin, Dachey | | | 1802 | USA | 0.00 | 1 | -0.66 | 15 | -9.90 | | * 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) | | 2011 Berekely International | Berkeley, California | USA | 2011-01-02 |
Rc | Ro | w | n | change | K | K*chg | Game |
2305 | 1929 | 1.00 | 4 | 0.61 | 15 | 9.15 | |
| Almeida, Alfonso | m | | 2329 * | MEX | 1.00 | 1 | 0.92 | 15 | 13.80 | | Collins, Sam | m | | 2329 * | IRL | 0.00 | 1 | -0.08 | 15 | -1.20 | | Amanov, Zhanibek | m | | 2329 * | KAZ | 0.00 | 1 | -0.08 | 15 | -1.20 | | Carreto, Giovanni | c | | 2231 | MEX | 0.00 | 1 | -0.15 | 15 | -2.25 | | * 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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