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Individual Calculations September 2011 |
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| Miedema, David Total change: -6.40 | |   |
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| Houtje Hoofd Helder Open | Boxtel | NED | 2011-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2409 | 3.00 | 6 | -0.84 | 10 | -8.40 | |
|  Cebula, Jerzy | | | 2009 * | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Burg, Brent | | | 2145 | NED | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Steingrimsson, Hedinn | g | | 2569 | ISL | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Bosboom, Manuel | m | | 2401 | NED | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Visser, Yge | g | | 2455 | NED | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Van Dongen, Huub | | | 2098 | NED | 0.00 | 1 | -0.86 | 10 | -8.60 | | | * 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) | | | | Science Park Amsterdam Chess Tournament - A | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2399 | 5.50 | 9 | 0.20 | 10 | 2.00 | |
| | Markus, John Raymond | | | 2137 | NED | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Theulings, Paul-Peter | c | | 2120 | NED | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Timmermans, Ivo | | | 2232 | NED | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Adhiban, B. | g | | 2542 | IND | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Mellema, Andries | | | 2131 | NED | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Haslinger, Stewart G | g | | 2548 | ENG | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Sanders, Isaac B | | | 2105 | ENG | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Reinderman, Dimitri | g | | 2618 | NED | 1.00 | 1 | 0.78 | 10 | 7.80 | | | Pruijssers, Roeland | m | | 2461 | NED | 0.00 | 1 | -0.41 | 10 | -4.10 | |
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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