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Individual Calculations November 2009 |
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| Adair, James Total change: 49.95 | |   |
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| 45th Berks and Bucks Championships | Twyford | ENG | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2124 | 4.00 | 6 | 1.18 | 15 | 17.70 | |
|  Tunstall, George S | | | 2013 | ENG | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Tavares, Shawn P | | | 2290 | TRI | 0.50 | 1 | 0.22 | 15 | 3.30 | | | De Coverly, Roger D | | | 2127 | ENG | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Roberts, David L | | | 2110 | ENG | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Bonafont, Philip R | | | 2124 | ENG | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Roberson, Peter T | | | 2221 | ENG | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | Uxbridge 2nd Congress | Denham | ENG | 2009-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2138 | 3.50 | 4 | 0.80 | 15 | 12.00 | |
| | Seymour, Timothy P | | | 2050 | ENG | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Gibson, Christopher A | | | 1970 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Haria, Ravi | | | 1828 | ENG | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Griffiths, Ryan Rhys | | | 2138 | IRL | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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) | | | | Caterham Congress | Caterham | ENG | 2009-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2138 | 3.50 | 5 | 1.35 | 15 | 20.25 | |
| | Gibbs, Dominic V | | | 1977 | ENG | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Cherniaev, Alexander | g | | 2469 | RUS | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Nicholas, Koichi B | | | 2075 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Zhou, Yang-Fan | | | 2291 | ENG | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Lock, Gavin R | | | 2188 | ENG | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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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