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Individual Calculations September 2011 |
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| Hummel, Joop Total change: 52.65 | |   |
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| Science Park Amsterdam Chess Tournament - B | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1951 | 5.00 | 6 | 2.53 | 15 | 37.95 | |
|  Nijenhuis, Wim | | | 2023 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | |  Schuetzhold, Frank | | | 1908 | GER | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Pijlman, Rene | | | 1954 | NED | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Kenani, Dariush | | | 2039 | SWE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Breedveld, Andre | | | 2117 | NED | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Van Haastert, Paul | | | 2062 | NED | 1.00 | 1 | 0.65 | 15 | 9.75 | |
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 - Reserve A | Dieren | NED | 2011-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1951 | 4.00 | 7 | 0.98 | 15 | 14.70 | |
| | Van Osch, Mees | | | 2006 | NED | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Evengroen, Jan | | | 2001 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Evengroen, Henk-Jan | | | 1877 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Noordkamp, Wouter | | | 1991 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Maris, Ivo | | | 1953 | NED | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Boersma, Jan | | | 2108 | NED | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Tromp, Pieter | | | 2069 | NED | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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) | | |
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