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Individual Calculations March 2010 |
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| Helder, Marc Total change: -7.50 | |   |
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| Corus Chess Tournament - Tien 1A | Wijk aan Zee | NED | 2010-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2165 | 2.50 | 9 | -0.50 | 15 | -7.50 | |
|  Gijswijt, Bart | | | 2273 | NED | 0.00 | 1 | -0.35 | 15 | -5.25 | |  De Jong, Jan Willem | m | | 2461 | NED | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Legemaat, Gert | | | 2242 | NED | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Konings, Frans | | | 2266 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Akrawi, Samir | f | | 2269 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Vedder, Richard | f | | 2263 | NED | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Vroombout, Enrico | | | 2164 | NED | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Rijnaarts, Sjef | f | | 2310 | NED | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Slingerland, Fred | m | | 2398 | NED | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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