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Individual Calculations February 2013 |
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| Keetman, Maaike Total change: 34.80 | |   |
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| Schaakfestival Groningen 2012 Open B | Groningen | NED | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1813 | 3.00 | 6 | 0.84 | 15 | 12.60 | |
|  Westerlaan, Sander | | | 2026 | NED | 1.00 | 1 | 0.77 | 15 | 11.55 | |  Wielenga, Wiebe | | | 2048 | NED | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Leentjens, Gilbert | | | 1853 | NED | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Hummel, Joop | | | 2003 | NED | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Ratsma, Rosa | | | 1791 | NED | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Pompstra, Henk | | | 1811 | NED | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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 Tienkampen 3H | Wijk aan Zee | NED | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1811 | 4.00 | 9 | 1.48 | 15 | 22.20 | |
| | Westerman, Henk | | | 1927 | NED | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Lindeman, Johan | | | 2002 | NED | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Sula, Avni | | | 2012 | ALB | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Hazenberg, Frans | | | 1994 | NED | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Van Tooren, Erik | | | 1964 | NED | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Kevlishvili, Robby | | | 1950 | NED | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Van Foreest, Lucas | | | 2003 | NED | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Van Der Maat, Niek | | | 1984 | NED | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Andersen, Niels Erik | | | 1958 | DEN | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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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