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Individual Calculations July 2009 |
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| Schuurman, Petra Total change: -0.30 | |   |
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| 1B - r 6-9 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2324 | 1.50 | 3 | -0.15 | 15 | -2.25 | |
|  Van Rosmalen, Joost | | | 2212 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Geirnaert, Steven | f | | 2366 | BEL | 0.00 | 1 | -0.44 | 15 | -6.60 | |  Van Der Hoeven, Gert-Jan | | | 2281 | NED | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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) | | | | 4NCL part 3 | Various | ENG | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 2324 | 4.00 | 5 | 0.13 | 15 | 1.95 | |
| | Smith, Graham M | | | 2084 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Pleasants, Allan J | | | 2100 | ENG | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Gray, Mark S | | | 2124 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Padilla, Pablo | | | 2163 | ESP | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Moore, John C | | | 2063 | ENG | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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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