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Individual Calculations April 2009 |
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| Hoeksema, Erik Total change: -9.10 | |   |
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| Meester - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2296 | 2335 | 0.50 | 1 | -0.05 | 10 | -0.50 | |
|  Van Der Poel, Henk | f | | 2296 | NED | 0.50 | 1 | -0.05 | 10 | -0.50 | |
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) | | | | Schaakfestival Groningen - Groep A | Groningen | NED | 2008-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2323 | 4.00 | 9 | -0.86 | 10 | -8.60 | |
|  Heller, Milan | | | 2024 | NED | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Venkatesh, M.r. | m | | 2468 | IND | 1.00 | 1 | 0.69 | 10 | 6.90 | | | Rotstein, Arkadij | g | | 2495 | GER | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Bojkov, Dejan | g | | 2472 | BUL | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Van Kooten, Luuk | f | | 2263 | NED | 0.50 | 1 | -0.08 | 10 | -0.80 | | | De Jong, Migchiel | f | | 2349 | NED | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Klein, David | | | 2184 | NED | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Hirth, Ulrich, Dr. | | | 2163 | GER | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Padurariu, Ioana-Smaranda | | wm | 2179 | ROU | 0.50 | 1 | -0.19 | 10 | -1.90 | |
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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