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Individual Calculations July 2011 |
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| Haydon, David L Total change: 6.60 | |   |
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| e2e4 Sunningdale Open 2011 | Sunningdale | ENG | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2283 | 4.00 | 6 | 0.21 | 15 | 3.15 | |
|  Costello, Colin A | | | 1983 | ENG | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Coates, David H | | | 2080 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Friedland, Jon S | c | | 2147 | ENG | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Tozer, Richard J D | m | | 2297 | ENG | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Arkell, Keith C | g | | 2419 | ENG | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Holland, James P | | | 2133 | ENG | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | e2e4 Gatwick Open | Gatwick | ENG | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2283 | 2.50 | 3 | 0.23 | 15 | 3.45 | |
| | Higgs, Anthony R J | | | 1976 | ENG | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Atako, Chino | | | 2095 | ENG | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Lock, Gavin R | | | 2159 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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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