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Individual Calculations February 2013 |
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| Chernin, Oliver Total change: 6.30 | |   |
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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 |
| 2226 | 2138 | 4.00 | 8 | 0.88 | 15 | 13.20 | |
|  Fedorowicz, John P | g | | 2442 | USA | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Wyss, Jonas | f | | 2273 | SUI | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Ray, Sarathi | | | 2027 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Zats, Yefrem | | | 2050 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Resika, Nathan | f | | 2154 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Bodek, Michael H | f | | 2316 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Allicock, Rawle A | f | | 2281 | ENG | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Aaron, Deepak | | | 2263 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 31st Annual Empire City Open | New York, New York | USA | 2012-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 2138 | 1.00 | 2 | -0.46 | 15 | -6.90 | |
| | Shi, Jason | | | 1928 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Weiss, Loren E | | | 1995 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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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