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Individual Calculations September 2009 |
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| Van Den Berg, Ad Total change: 22.65 | |   |
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| Veteranen Seniorenkampioenschap 2009 | Oosterbeek | NED | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2197 | 3.50 | 5 | 0.51 | 15 | 7.65 | |
|  Plijter, Martin | | | 2056 | NED | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Goossen, Theo | | | 2054 | NED | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Van Caspel, Ruud | | | 2107 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Vogel, Jaap | f | | 2237 | NED | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Etmans, Maarten | f | | 2161 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2197 | 3.50 | 6 | 1.00 | 15 | 15.00 | |
| | Lalith, Babu M.r. | m | | 2472 | IND | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Boulahfa, Hicham | | | 2022 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Beliavsky, Alexander G | g | | 2597 * | SLO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Roggeveen, Wouter | | | 2025 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Kogan, Artur | g | | 2542 | ISR | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Rademakers, Maarten | | | 2066 | NED | 1.00 | 1 | 0.32 | 15 | 4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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