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Individual Calculations September 2009 |
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| Ypma, Peter Total change: 39.60 | |   |
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| 3e Leiden Chess Tournament | Leiden | NED | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 2012 | 3.00 | 8 | 0.63 | 15 | 9.45 | |
|  Karthikeyan, P. | m | | 2412 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | |  De Mooij, Marco | | | 1925 | NED | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Blom, Vincent | | | 2137 | NED | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Rajesh, V A V | f | | 2249 | IND | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Wilschut, Peter | | | 2210 | NED | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Meijer, Dolf | | | 2200 | NED | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Miedema, Roi | f | | 2412 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Weiland, Harro | | | 1968 | NED | 0.50 | 1 | -0.06 | 15 | -0.90 | | | * 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) | | | | Dutch Open | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2012 | 3.50 | 8 | 2.01 | 15 | 30.15 | |
| | Kodentsov, Grigori | f | | 2279 | NED | 0.00 | 1 | -0.18 | 15 | -2.70 | | | De Groote, Ewoud | | | 2206 | NED | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Vogel, Jaap | f | | 2237 | NED | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Padmini, Rout | | wm | 2243 | IND | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Bezemer, Arno | f | | 2332 | NED | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Shreyansh, Daklia | | | 2279 | IND | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Shyam, Sundar M. | m | | 2412 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Van Helvoort, Rob | | | 2213 | NED | 0.50 | 1 | 0.26 | 15 | 3.90 | | | * 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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