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Individual Calculations September 2010 |
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| Boulahfa, Hicham Total change: -31.95 | |   |
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| 4e Leiden Chess Tournament | Leiden | NED | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2064 | 2.50 | 8 | -1.14 | 15 | -17.10 | |
|  Tiviakov, Sergei | g | | 2464 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Van Kempen, Roderick | | | 1972 | NED | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Vreeburg, Jan | | | 1953 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Wilschut, Peter | | | 2237 | NED | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Akrawi, Samir | f | | 2247 | NED | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kerkvliet, Max | | | 1999 | NED | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Van Den Bergh, Ben | | | 1990 | NED | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Roorda, Thijs | | | 2022 | NED | 0.00 | 1 | -0.56 | 15 | -8.40 | | | * 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) | | | | Dutch Open - Reservegroup A | Dieren | NED | 2010-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2064 | 4.00 | 8 | -0.99 | 15 | -14.85 | |
| | Roelofs, Rik | | | 1883 | NED | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Kronemeijer, Simon | | | 2033 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Thoma, Sophia | | | 1905 | NED | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Gunther, Justin | | | 2036 | NED | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Voss, Herman | | | 2032 | NED | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Hennink, Arjan | | | 1943 | NED | 1.00 | 1 | 0.34 | 15 | 5.10 | | | De Wit, Albert | | | 1958 | NED | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Noordkamp, Wouter | | | 1980 | NED | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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