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Individual Calculations March 2011 |
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| Van Der Werff, Frank Total change: 23.25 | |   |
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| Schaakfestival Groningen 2010 Open B | Groningen | NED | 2010-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1876 | 3.50 | 7 | 0.70 | 15 | 10.50 | |
|  Wielenga, Wiebe | | | 2088 | NED | 1.00 | 1 | 0.77 | 15 | 11.55 | |  Zuiderweg, Edwin | | | 2035 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Thoma, Sophia | | | 1926 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Wubs, Harry | | | 1945 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Pompstra, Henk | | | 1824 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Klinkhammer, Johan | | | 2035 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Huizinga, Egbert | | | 1809 | NED | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | Dutch Team Competition - 3A - round 5-6 2011 | Various | NED | 2011-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1868 | 1.50 | 2 | 0.85 | 15 | 12.75 | |
| | De Jong, Siegbert | | | 1965 | NED | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Wissmann, Dolf | | | 2038 | NED | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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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