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Individual Calculations February 2013 |
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| Witt, Rob Total change: -24.90 | |   |
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| Tata Steel Chess Tournament 2013 Dag 1A | Wijk aan Zee | NED | 2013-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2255 | 0.50 | 3 | -1.66 | 15 | -24.90 | |
|  Janse, Paul | | | 2105 | NED | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Langedijk, Ardjan | | | 2107 | NED | 0.00 | 1 | -0.70 | 15 | -10.50 | |  Arp, Frans | | | 2049 | NED | 0.50 | 1 | -0.26 | 15 | -3.90 | |
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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