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Individual Calculations February 2013 |
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| Romijn, Bart Total change: -7.80 | |   |
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| Schaakfestival Groningen 2012 Compact B | Groningen | NED | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1860 | 0.50 | 1 | 0.10 | 15 | 1.50 | |
|  Montsma, Foppe-Jan | | | 1931 | NED | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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 2013 Weekend 4E | Wijk aan Zee | NED | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1860 | 0.50 | 2 | -0.62 | 15 | -9.30 | |
| | Erin, Igor | | | 1740 | NED | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Van Der Togt, Twan | | | 1886 | NED | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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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