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Individual Calculations January 2012 |
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| Tromp, Rigoberto Total change: -11.40 | |   |
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| Aruba Chess Challenge 2011 | Santa Cruz | ARU | 2011-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1971 | 1.00 | 3 | -0.38 | 30 | -11.40 | |
|  Stark, Rainer | | | 2116 | GER | 0.00 | 1 | -0.31 | 30 | -9.30 | |  Hodgson, Norman | | | 1840 | AHO | 1.00 | 1 | 0.32 | 30 | 9.60 | | | Roose, Alex | | | 2050 | AHO | 0.00 | 1 | -0.39 | 30 | -11.70 | |
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) | | |
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