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Individual Calculations January 2009 |
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| Waterfield, John W Total change: 5.10 | |   |
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| Gwent Championship | Pontypool | WLS | 2008-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 2035 | 1.00 | 2 | 0.07 | 15 | 1.05 | |
|  Taylor, Robert Graham | | | 2047 | WLS | 0.00 | 1 | -0.48 | 15 | -7.20 | |  Gilbert, Jonathan A. | | | 2069 | WLS | 1.00 | 1 | 0.55 | 15 | 8.25 | |
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 1 | Various | ENG | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2018 | 1.00 | 2 | 0.27 | 15 | 4.05 | |
| | Djabri, Zafer M | | | 2103 | WLS | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Bonafont, Philip R | | | 2126 | ENG | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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