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Individual Calculations July 2011 |
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| Castaneda, Nelson Total change: 8.70 | |   |
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| 80th Massachusetts Open | Marlboro, Massachusetts | USA | 2011-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2220 | 2.00 | 4 | 0.58 | 15 | 8.70 | |
|  Ivanov, Alexander | g | | 2549 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Bisguier, Arthur B | g | | 2245 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Gu, Christopher | | | 2227 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Riordan, Charles R | f | | 2334 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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