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Individual Calculations February 2015 |
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| Zegstroo, Martin Total change: 4.60 | |   |
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| Tata Steel Chess Tournament 2015 - D4J | Wijk aan Zee | NED | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1838 | 1.50 | 3 | 0.23 | 20 | 4.60 | |
|  Hartog, Marc | | | 1948 | NED | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Schouten, Luke | | | 1812 | CAN | 1.00 | 1 | 0.46 | 20 | 9.20 | |  Sluiter, Jan | | | 1928 | NED | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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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