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Individual Calculations February 2018 |
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| Boelhouwer, Collin Total change: -26.60 | |   |
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| Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2141 | 0.50 | 3 | -1.08 | 20 | -21.60 | |
|  Raoof, Adam N | | | 2131 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Tabak, Stefan | f | | 2198 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | |  Van Randtwijk, Mick | | | 2029 | NED | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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) | | | | Tata Steel Dagvierkampen 2018 | Wijk aan Zee | NED | 2018-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2141 | 1.50 | 3 | -0.25 | 20 | -5.00 | |
| | De Koning, Martin | | | 2033 | NED | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Blaeser, Pierre | | | 2186 | LUX | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Hensbergen, Willem | | | 2020 | NED | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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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