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Individual Calculations March 2012 |
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| Boersma, Jan Total change: 8.85 | |   |
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| Schaakfestival Groningen 2011 Compact A | Groningen | NED | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2108 | 3.00 | 5 | 0.64 | 15 | 9.60 | |
|  Snuverink, Laurens | | | 1937 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Geurink, Jasper | | | 2310 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Mol, Christiaan | | | 1986 | NED | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Prange, Dieter | | | 2148 | GER | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Ketel Van, Raoul | f | | 2275 | NED | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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) | | | | Dutch Team Competition - 3B - Round 5-6 | Various | NED | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2100 | 0.50 | 1 | -0.05 | 15 | -0.75 | |
| | Riepma, Henk | | | 2063 | NED | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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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