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Individual Calculations May 2012 |
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| Ontiveros, John Total change: -18.60 | |   |
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| Icelandic Team Championship 2011-2012 4 div Round 5-7 | Selfoss | ISL | 2012-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1772 | 1763 | 0.50 | 2 | -0.48 | 30 | -14.40 | |
|  Palsson, Halldor | | | 2000 | ISL | 0.00 | 1 | -0.20 | 30 | -6.00 | |  Bjorgvinsson, Andri Freyr | | | 1544 | ISL | 0.50 | 1 | -0.28 | 30 | -8.40 | |
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) | | | | Reykjavik Chess Open 2012 | Reykjavik | ISL | 2012-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1763 | 2.00 | 8 | -0.14 | 30 | -4.20 | |
| | Henriksson, Johan | f | | 2163 * | SWE | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Ragnarsson, Johann | | | 2082 | ISL | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Shepherd, Michael | | | 2011 | SCO | 1.00 | 1 | 0.81 | 30 | 24.30 | | | Huizer, Mark | c | | 2122 | NED | 0.00 | 1 | -0.10 | 30 | -3.00 | | | Calder, Dennis | | | 1948 | GER | 0.50 | 1 | 0.24 | 30 | 7.20 | | | Rodriguez Fonseca, Jorge | | | 2003 | ESP | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Zachariassen, John | | | 1939 | DEN | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Davidsdottir, Nansy | | | 1379 | ISL | 0.50 | 1 | -0.41 | 30 | -12.30 | | | * 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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