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Individual Calculations March 2010 |
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| Posch, Jan Total change: -42.45 | |   |
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| Schaakfestival Groningen 2009 Open B | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1858 | 1.50 | 7 | -1.97 | 15 | -29.55 | |
|  Brookes, Christopher | | | 2013 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Pelt Van, Alexander | | | 2083 | NED | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Vos, Tjark | | | 1698 | NED | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Werff Van Der, Frank | | | 1839 | NED | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Veen Van Der, Anne | | | 1822 | NED | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Lie, Terje | | | 1666 | NOR | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Vermeulen, Frans | | | 1912 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | | | Klasse 3A Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1861 | 0.00 | 1 | -0.36 | 15 | -5.40 | |
| | Kruijf, Caspar | | | 1961 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | Corus Chess Tournament - Tien 4F | Wijk aan Zee | NED | 2010-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1861 | 2.50 | 7 | -0.50 | 15 | -7.50 | |
| | Winters, Martin | | | 1889 | NED | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Van Brussel, Bert | | | 1922 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Bouma, Albert | | | 1984 | NED | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Bermon, Henk | | | 1939 | NED | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Slikker, Dirk | | | 1893 | NED | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Oudejans, Martin | | | 1801 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Van De Schootbrugge, Gabri | | | 1964 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | |
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