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Individual Calculations October 2015 |
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| Robledo Jr, Mark Total change: 12.00 | |   |
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| 2015 Illinois Open State Chess Championship | Northbrook, Illinois | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 1932 | 1.00 | 2 | 0.30 | 40 | 12.00 | |
|  Stevens, Matthew J | | | 1881 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Peng, David T | c | | 2251 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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