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Individual Calculations July 2009 |
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| Brookes, Christopher Total change: 59.25 | |   |
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| 3C - r 6-9 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1943 | 2.00 | 3 | 0.76 | 25 | 19.00 | |
|  Boulahfa, Hicham | | | 1985 | NED | 0.50 | 1 | 0.06 | 25 | 1.50 | |  Sternau, Almar | | | 1902 | NED | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Jans, Micha | | | 2147 | NED | 0.50 | 1 | 0.26 | 25 | 6.50 | |
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) | | | | Coulsdon Easter Open | Coulsdon | ENG | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1987 | 3.50 | 4 | 1.61 | 25 | 40.25 | |
| | Yurenok, Maria S | | wf | 2033 | ENG | 1.00 | 1 | 0.56 | 25 | 14.00 | | | Jones, William E G | | | 2026 | ENG | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Galliano, Alexander | | | 2031 | ENG | 0.50 | 1 | 0.06 | 25 | 1.50 | | | Cohen, Ronnie | | | 1943 | ENG | 1.00 | 1 | 0.44 | 25 | 11.00 | |
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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