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Individual Calculations May 2012 |
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| Van Velzen, Martin Total change: -1.65 | |   |
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| NOSBO kampioenschap 2012 | Groningen | NED | 2012-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 1927 | 0.50 | 3 | -0.57 | 15 | -8.55 | |
|  Van Assendelft, Floris | f | | 2327 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Tromp, Pieter | | | 2063 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Pompstra, Henk | | | 1802 | NED | 0.50 | 1 | -0.17 | 15 | -2.55 | | | * 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) | | | | Dutch Team Competition - 3A - Round 7-9 | Various | NED | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1927 | 1.50 | 2 | 0.46 | 15 | 6.90 | |
| | Engelen, Johan | | | 1955 | NED | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Nicolai, Celine | | | 1866 | NED | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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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