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Individual Calculations February 2013 |
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| Kaufman, Lawrence Charles Total change: -8.00 | |   |
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| 39th Annual Eastern Open | Washington DC | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2295 | 2346 | 3.50 | 5 | 0.75 | 10 | 7.50 | |
|  Myers, Dominique | | | 2013 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Smith, Bryan G | m | | 2466 | USA | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Ludwig, Daniel J | m | | 2472 | USA | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Bora, Safal | | | 2103 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Huseynov, Elmir | m | | 2422 | AZE | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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 |
| 2082 | 2346 | 2.50 | 4 | -0.77 | 10 | -7.70 | |
| | Hamilton, Timothy | | | 2064 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Cao, Alvin | | | 1988 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Low, Scott T | | | 2187 | USA | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Bryant, Todd | | | 2088 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | |
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) | | | | 4th Annual Golden State Open | Concord, California | USA | 2013-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2346 | 3.50 | 7 | -0.78 | 10 | -7.80 | |
| | Beilin, Allan | | | 2011 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Margvelashvili, Giorgi | g | | 2569 | GEO | 0.50 | 1 | 0.28 | 10 | 2.80 | | | Abrahamyan, Tatev | | wg | 2304 | USA | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Troff, Kayden W | f | | 2365 | USA | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Tang, Andrew | | | 2156 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Xiong, Jeffery | f | | 2269 | USA | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Pupols, Viktors P | | | 2115 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | |
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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