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Individual Calculations February 2013 |
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| Defibaugh, Jared E Total change: -4.35 | |   |
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| 39th Annual Eastern Open | Washington DC | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2291 | 3.00 | 5 | 0.15 | 15 | 2.25 | |
|  Clancy, Daniel J | | | 2121 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Zimmer, Ralph P | f | | 2187 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Bartell, Thomas | f | | 2410 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Huseynov, Elmir | m | | 2422 | AZE | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Myers, Dominique | | | 2013 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | 5th Annual Chesapeake Open | Gaithersburg, Maryland | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2305 | 2291 | 1.50 | 2 | 0.54 | 15 | 8.10 | |
| | Zimmer, Ralph P | f | | 2187 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Huseynov, Elmir | m | | 2422 | AZE | 0.50 | 1 | 0.18 | 15 | 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) | | | | 45th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2291 | 3.50 | 7 | -0.98 | 15 | -14.70 | |
| | Richman, Jonathan T | | | 2000 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Van Kooten, Luuk | f | | 2365 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Bodek, Michael H | f | | 2316 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Moorthy, Srinivas Ramanuja | | | 1906 | USA | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Chiang, Michael | | | 2203 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Zimmer, Ralph Patrick | f | | 2187 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Gorman, Dov | f | | 2227 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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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