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Individual Calculations September 2010 |
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| Koes, Richard Total change: 11.25 | |   |
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| 4e Leiden Chess Tournament | Leiden | NED | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 1947 | 2.50 | 7 | 0.54 | 15 | 8.10 | |
|  Porat, Maya | | | 2175 | ISR | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Van Der Marel, Bert | | | 2178 | NED | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Van Der Meer, Kees | | | 2101 | NED | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Oosterom, Erik | | | 2109 | NED | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Van Der Velden, Bram | | | 2177 | NED | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Braggaar, Pim | | | 2043 | NED | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Burggraaf, Jan-Theodoor | | | 2037 | NED | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | 14e Hogeschool Zeeland Toernooi | Vlissingen | NED | 2010-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1947 | 2.50 | 4 | 0.21 | 15 | 3.15 | |
| | Dek, Lennart | | | 2199 | NED | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Baete, Guy | | | 1822 | BEL | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Beekhuizen, Bas | | | 1724 | NED | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Rademakers, Steven | | | 1835 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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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