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Individual Calculations October 2008 |
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| Boulahfa, Hicham Total change: 15.15 | |   |
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| 2e Leiden Chess Tournament | Leiden | NED | 2008-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 1985 | 4.00 | 9 | 1.34 | 15 | 20.10 | |
|  Straver, Robert | | | 2209 | NED | 1.00 | 1 | 0.78 | 15 | 11.70 | |  Critelli, James M | f | | 2296 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Van Der Meer, Kees | | | 2111 | NED | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Kohlbeck, Ton | | | 2067 | NED | 0.50 | 1 | 0.11 | 15 | 1.65 | | | De Leur, Ben | | | 2081 | NED | 1.00 | 1 | 0.63 | 15 | 9.45 | | | De Graaff, Rag | | | 2205 | NED | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Thiele, Mark | | | 2238 | NED | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Erwich, Frans | | | 2067 | NED | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Serdijn, Adinda | | | 2051 | NED | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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) | | | | Dutch Open | Dieren | NED | 2008-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 1985 | 2.00 | 8 | 0.14 | 15 | 2.10 | |
| | Wilgenhof, Otto | | | 2218 | NED | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Hartoch, Rob | m | | 2224 | NED | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Laarhoven, Thijs | | | 2219 | NED | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Markus, John | | | 2179 | NED | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Zelbel, Patrick | | | 2284 | GER | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Theulings, Paul-Peter | c | | 2148 | NED | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Vos, Jan-Pieter | | | 2115 | NED | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Van Den Bersselaar, Jeroen | | | 2186 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 12e Hogeschool Zeeland Schaaktoernooi | Vlissingen | NED | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 1985 | 0.50 | 4 | -0.47 | 15 | -7.05 | |
| | Provoost, Simon | | | 2213 | NED | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Grochal, Joey | | | 2161 | NED | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Dek, Lennart | | | 2178 | NED | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Boutens, Lukas | | | 2184 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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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