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Individual Calculations July 2009 |
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| Grooten, Herman Total change: -15.80 | |   |
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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 |
| 2294 | 2376 | 2.00 | 4 | -0.43 | 10 | -4.30 | |
|  De Hoog, Ronnie | | | 2128 | NED | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Van Ruitenburg, Joost | f | | 2292 | NED | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Motwani, Paul | g | | 2501 | SCO | 0.00 | 1 | -0.33 | 10 | -3.30 | |  Hovenga, Alje | | | 2253 | NED | 1.00 | 1 | 0.33 | 10 | 3.30 | |
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 |
| 2101 | 2376 | 3.00 | 5 | -1.15 | 10 | -11.50 | |
| | Almond, Richard J | | | 2138 | ENG | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Gregory, Keith D F | | | 2066 | ENG | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Player, Edmund C | | | 2125 | ENG | 0.00 | 1 | -0.81 | 10 | -8.10 | | | Hall, Daniel J | | | 2123 | ENG | 1.00 | 1 | 0.19 | 10 | 1.90 | | | O`Toole, George E | | | 2054 | ENG | 0.00 | 1 | -0.87 | 10 | -8.70 | |
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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