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Individual Calculations February 2019 |
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| Boersma, Jan Total change: 5.20 | |   |
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| Chess Festival Groningen 2018 - Compact A | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2065 | 3.00 | 5 | 0.25 | 20 | 5.00 | |
|  Pouw, Marcel | | | 1881 | NED | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Bezemer, Arno | f | | 2278 | NED | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Vroombout, Enrico | | | 2140 | NED | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Rondhuis, Jaap | | | 1905 | NED | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Salihbegovic, Edim | | | 1937 | BIH | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | Tata Steel Chess Tournament 2018 - Dagvierkampen | Wijk aan Zee | NED | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 2070 | 1.50 | 3 | 0.01 | 20 | 0.20 | |
| | Valette, Christian | | | 2026 | FRA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Wahlund, Max | c | | 2151 | SWE | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Noordkamp, Wouter | | | 2042 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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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