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Individual Calculations March 2011 |
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| Mostertman, Johan Total change: 17.40 | |   |
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| Schaakfestival Groningen 2010 Open B | Groningen | NED | 2010-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1792 | 3.50 | 6 | 1.40 | 15 | 21.00 | |
|  Van Velzen, Martin | | | 1933 | NED | 0.50 | 1 | 0.19 | 15 | 2.85 | |  Van Indie, Frank | | | 1927 | NED | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Wielenga, Wiebe | | | 2088 | NED | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Huizinga, Egbert | | | 1809 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Karsdorp, Nico | | | 1877 | NED | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Pompstra, Henk | | | 1824 | NED | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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 |
| 1890 | 1794 | 0.50 | 2 | -0.24 | 15 | -3.60 | |
| | Viersma, Murk | | | 1855 | NED | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Van Velzen, Martin | | | 1924 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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