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Individual Calculations February 2013 |
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| Berg, George P Total change: 2.85 | |   |
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| 2012 Marshall Chess Club Championship | New york, New York | USA | 2012-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 2078 | 4.00 | 7 | 0.64 | 15 | 9.60 | |
|  Bonin, Jay Richard | m | | 2322 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Mena, Carlos E | f | | 2328 | CUB | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Chandran, Kapil | | | 2122 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Kumar, Aravind | c | | 1954 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Zats, Yefrem | | | 2050 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Frumkin, Edward A | | | 1941 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kopiecki, Edward P | | | 1973 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | 2013 MCC January Grand Prix | New York, New York | USA | 2013-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2219 | 2078 | 0.50 | 3 | -0.45 | 15 | -6.75 | |
| | Evans, Cory | | | 2160 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Bonin, Jay Richard | m | | 2324 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Sena, Juan | | | 2173 | DOM | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | |
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