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Individual Calculations February 2018 |
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| Van Randtwijk, Mick Total change: 31.60 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2011 | 3.00 | 8 | 0.78 | 40 | 31.20 | |
|  Kokje, Joris | | | 2282 | NED | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Wedda, Dries | | | 2157 | NED | 1.00 | 1 | 0.70 | 40 | 28.00 | | | De Jong, Migchiel | m | | 2331 | NED | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Abbas, Daniel | f | | 2319 | ENG | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Rigopoulos-Tsigkos, Alexan | | | 2117 | GRE | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Kalle, Erwin | | | 1994 | NED | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Sparenberg, Erik | | | 2188 | NED | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Priyanka, K | | | 2134 | IND | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | | | Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2029 | 1.00 | 3 | 0.01 | 40 | 0.40 | |
| | Tabak, Stefan | f | | 2198 | NED | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Raoof, Adam N | | | 2131 | ENG | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Boelhouwer, Collin | | | 2141 | NED | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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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