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Individual Calculations April 2015 |
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| Cummings, David H. Total change: -5.10 | |   |
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| Reykjavik Open 2015 | Reykjavik | ISL | 2015-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2345 | 5.50 | 10 | -0.51 | 10 | -5.10 | |
|  De Winter, Eric | | | 1945 * | NED | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Sibiya, Ruddy T | | | 1945 * | RSA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hammer, Jon Ludvig | g | | 2651 | NOR | 0.50 | 1 | 0.36 | 10 | 3.60 | | | Sigeman, Johan | | | 2123 | SWE | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Risting, Eivind Olav | | | 2100 | NOR | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Georgiadis, Nico | m | | 2468 | SUI | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Johannsson, Orn Leo | | | 2107 | ISL | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Bekker-Jensen, Simon | m | | 2462 | DEN | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Brunello, Sabino | g | | 2540 | ITA | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Hardarson, Jon Trausti | | | 2170 | ISL | 0.50 | 1 | -0.23 | 10 | -2.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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