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Individual Calculations September 2010 |
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| Roorda, Thijs Total change: 19.20 | |   |
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| 4e Leiden Chess Tournament | Leiden | NED | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2022 | 3.50 | 8 | 1.18 | 15 | 17.70 | |
|  Wantola, Ivo | f | | 2309 | NED | 0.50 | 1 | 0.34 | 15 | 5.10 | |  Pauw, Sander | | | 2157 | NED | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Ducarmon, Quinten | | | 2225 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Law, Nicky | | | 2205 | NED | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Van Der Velden, Bram | | | 2177 | NED | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Van Hengel, Hugo | | | 2191 | NED | 0.00 | 1 | -0.28 | 15 | -4.20 | | | De Graaff, Rag | | | 2148 | NED | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Boulahfa, Hicham | | | 2064 | NED | 1.00 | 1 | 0.56 | 15 | 8.40 | |
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) | | | | University of Twente Open Dutch Youth Chess Championship 2010 | Enschede | NED | 2010-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 2022 | 2.50 | 5 | 0.10 | 15 | 1.50 | |
| | Kampman, Tijmen | | | 2058 | NED | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Heller, Milan | | | 1959 | NED | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Tempelman, Kristianne | | | 1945 | NED | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Rauw, Gert Jan | | | 2074 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Lambrechts, Koen | | | 2156 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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