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Individual Calculations May 2011 |
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| Karklins, Andrew Total change: -13.35 | |   |
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| 15th Annual Mid-America Open | St Louis, Missouri | USA | 2011-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2228 | 3.00 | 4 | 0.28 | 15 | 4.20 | |
|  Steiner, Tim C | | | 2129 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Vibbert, Sean | | | 2121 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Ding, Jialin | | | 2142 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Finegold, Spencer | | | 1977 | USA | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | 2nd Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2228 | 1.50 | 4 | -1.17 | 15 | -17.55 | |
| | Ludwig, Daniel J | m | | 2450 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Tom, George | | | 2007 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Chiang, Jonathan | | | 1828 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Miller, Jake S | | | 2033 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | * 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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