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Individual Calculations September 2009 |
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| Sparreboom, Wil Total change: -6.30 | |   |
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| 3e Leiden Chess Tournament | Leiden | NED | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 1977 | 2.50 | 7 | 0.56 | 15 | 8.40 | |
|  Van Putten, Henk | | | 2250 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | |  De Graaff, Rag | | | 2198 | NED | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Oosterom, Erik | | | 2128 | NED | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Heemskerk, Wim | f | | 2210 | NED | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Van Der Raaf, Erik | | | 2175 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Hortensius, Nick | | | 2055 | NED | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Kamps, Jacques | | | 2041 | NED | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 1977 | 0.50 | 4 | -0.98 | 15 | -14.70 | |
| | Beliavsky, Alexander G | g | | 2377 * | SLO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Colijn, Stefan | | | 2187 | NED | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Ducarmon, Renzo | | | 1653 | NED | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Timmermans, Mark | | | 2125 | NED | 0.00 | 1 | -0.30 | 15 | -4.50 | | | * 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) | | |
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