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Individual Calculations March 2012 |
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| Witkamp, Jarno Total change: 19.95 | |   |
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| Dutch Team Competition - 3E - Round 5-6 | Various | NED | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1841 | 0.50 | 2 | -0.27 | 15 | -4.05 | |
|  Middelhoven, Huib | | | 1965 | NED | 0.50 | 1 | 0.17 | 15 | 2.55 | |  Van Rekom, Robert | | | 1881 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | | | Tata Steel Chess Tournament 2011 - 2G Tienkampen | Wijk aan Zee | NED | 2012-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 1841 | 3.00 | 9 | 1.60 | 15 | 24.00 | |
| | Mengerink, Ynze | | | 2137 | NED | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Roufs, Gerard | | | 2003 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Lieverst, Paul | | | 2119 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Stefan, Romulus-Cristian | | | 2241 * | ROU | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Timmermans, Ivo | | | 2241 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Holscher, Peter | | | 2107 | NED | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Bijlsma, Nick | | | 2138 | NED | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Ernst, Michael | | | 2179 | AUT | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Bonanzinga, Corrado | | | 2107 | ITA | 1.00 | 1 | 0.82 | 15 | 12.30 | | | * 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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