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Individual Calculations September 2011 |
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| Plukkel, Sjoerd Total change: -21.90 | |   |
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| Science Park Amsterdam Chess Tournament - A | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2217 | 2298 | 4.00 | 9 | -1.46 | 15 | -21.90 | |
|  Sanders, Isaac B | | | 2105 | ENG | 0.50 | 1 | -0.25 | 15 | -3.75 | |  Edeling, Jeroen | | | 2115 | NED | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Neverov, Valeriy | g | | 2500 | UKR | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Riemersma, Li | m | | 2416 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Visser, Henk Jan | | | 2225 | NED | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Brookes, Christopher | | | 2056 | NED | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Markus, John Raymond | | | 2137 | NED | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Vroombout, Enrico | | | 2175 | NED | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Hovenga, Alje | | | 2221 | NED | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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