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Individual Calculations March 2011 |
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| Haver, Bas Total change: -11.50 | |   |
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| Schaakfestival Groningen 2010 Compact A | Groningen | NED | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2075 | 1.50 | 4 | -0.48 | 25 | -12.00 | |
|  Donker, Roel | | | 2215 | NED | 0.00 | 1 | -0.31 | 25 | -7.75 | |  Vesters, Melchior | | | 1981 | NED | 0.00 | 1 | -0.63 | 25 | -15.75 | | | Stavast, Dick | | | 2048 | NED | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Hendriks, Peter | | | 2078 | NED | 1.00 | 1 | 0.50 | 25 | 12.50 | |
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 - Weekend 3N | Wijk aan Zee | NED | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2075 | 2.00 | 3 | 0.02 | 25 | 0.50 | |
| | Roelofs, Rik | | | 1886 | NED | 0.50 | 1 | -0.25 | 25 | -6.25 | | | Beukema, Henk Jan | | | 2018 | NED | 0.50 | 1 | -0.08 | 25 | -2.00 | | | Goes, Dirk | | | 1962 | NED | 1.00 | 1 | 0.35 | 25 | 8.75 | |
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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