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Individual Calculations March 2010 |
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| De Guzman, Ricardo Total change: -11.30 | |   |
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| Golden State Open | Concord, California | USA | 2010-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2311 | 2406 | 0.50 | 2 | -0.76 | 10 | -7.60 | |
|  Lee, Andy C | | | 2273 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | |  Yang, Darwin | f | | 2349 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | |
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) | | | | 36th Annual Peoples Tournament | Concord, California | USA | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2406 | 2.00 | 3 | -0.37 | 10 | -3.70 | |
| | Sandberg, Evan M | | | 2146 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Liou, Yian | | | 2182 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Shipman, Walter J | m | | 2193 | USA | 0.50 | 1 | -0.27 | 10 | -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) | | |
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