Individual Calculations January 2009 |
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Kaufman, Raymond Total change: -12.15 | | |
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2008 Pan American - Continental Championships | Boca Raton, Florida | USA | 2008-11-01 |
Rc | Ro | w | n | change | K | K*chg | Game |
2272 | 2320 | 2.50 | 6 | -0.86 | 15 | -12.90 | |
| Pique, Dr Carlos | | | 2048 | NCA | 1.00 | 1 | 0.17 | 15 | 2.55 | | Lima, Darcy | g | | 2488 | BRA | 0.00 | 1 | -0.28 | 15 | -4.20 | | Vaja, Ashish | | | 2183 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | Margulis, Yevgeni | | | 2274 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | Aldama, Dionisio | m | | 2457 | MEX | 0.00 | 1 | -0.32 | 15 | -4.80 | | Ferrufino, Boris | c | | 2182 | BOL | 0.00 | 1 | -0.69 | 15 | -10.35 | | 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) | | 39th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2008-11-28 |
Rc | Ro | w | n | change | K | K*chg | Game |
2459 | 2320 | 1.00 | 3 | 0.05 | 15 | 0.75 | |
| Ivanov, Alexander | g | | 2547 | USA | 1.00 | 1 | 0.79 | 15 | 11.85 | | Quan, Zhe | m | | 2401 | CAN | 0.00 | 1 | -0.39 | 15 | -5.85 | | Ippolito, Dean J | m | | 2430 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | 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) | |
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