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Individual Calculations March 2012 |
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| Koelewijn, Alex Total change: 43.20 | |   |
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| Dutch Team Competition - 3E - Round 5-6 | Various | NED | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2058 | 1.00 | 1 | 0.58 | 30 | 17.40 | |
|  De Ruiter, Tom | | | 2118 | NED | 1.00 | 1 | 0.58 | 30 | 17.40 | |
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 2011 - Weekendvierkampen | Wijk aan Zee | NED | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2058 | 2.00 | 2 | 0.86 | 30 | 25.80 | |
|  Tissink, Arjan | | | 2068 | NED | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Plug, Arjan | | | 1949 | NED | 1.00 | 1 | 0.35 | 30 | 10.50 | |
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) | | |
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