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Individual Calculations April 2009 |
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| Timmermans, Ivo Total change: -18.75 | |   |
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| 1B - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 2220 | 0.00 | 1 | -0.58 | 15 | -8.70 | |
|  Van Der Plas, Rob | | | 2164 | NED | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 1B - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2244 | 3.50 | 9 | -0.67 | 15 | -10.05 | |
| | Wantola, Ivo | f | | 2300 | NED | 0.50 | 1 | 0.08 | 15 | 1.20 | |  Strating, Sybolt | f | | 2327 | NED | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Slingerland, Fred | f | | 2398 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Kuipers, Stefan | f | | 2317 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Gijswijt, Bart | | | 2231 | NED | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Klein, David | | | 2188 | NED | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Veneman, Henry J | | | 2183 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Oosterom, Erik | | | 2142 | NED | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Den Heeten, Djurre | | | 2352 | NED | 1.00 | 1 | 0.65 | 15 | 9.75 | |
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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