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Individual Calculations January 2013 |
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| Collyer, Curt D Total change: 9.90 | |   |
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| 2012 Washington Challengers Cup | Seattle, Washington | USA | 2012-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2306 | 2.00 | 3 | -0.17 | 15 | -2.55 | |
|  Lee, Megan | | | 2098 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Pupols, Viktors | | | 2114 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Sang, Tian | | | 2196 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | 2012 Washington Class Championships - Master Section | Redmond, Washington | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 2306 | 5.00 | 6 | 0.83 | 15 | 12.45 | |
| | Sang, Tian | | | 2196 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Macgregor, Michael | | | 2186 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Sen, Samir | | | 2153 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Haessler, Carl A | | | 2164 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Greninger, Harley | | | 2173 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Feng, Roland | | | 2080 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |
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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