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Individual Calculations April 2009 |
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| Heemskerk, Wim Total change: -21.75 | |   |
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| 1A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2232 | 0.50 | 2 | -0.68 | 15 | -10.20 | |
|  Van Steenis, Joost | | | 2114 | NED | 0.00 | 1 | -0.66 | 15 | -9.90 | |  Janse, Jan Jaap | | | 2217 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | 1A - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2224 | 3.00 | 9 | -0.77 | 15 | -11.55 | |
| | Van Der Werf, Mark | m | | 2424 | NED | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Konings, Frans | | | 2232 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Smits, Mark | | | 2305 | NED | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Vedder, Richard | f | | 2329 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Royakkers, Guido | | | 2212 | NED | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Plukkel, Sjoerd | | | 2236 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Vrenegoor, Taco | f | | 2321 | NED | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Langedijk, Ardjan | | | 2169 | NED | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Bezemer, Arno | f | | 2342 | NED | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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) | | |
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