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Individual Calculations September 2015 |
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| Bonafont, Philip R Total change: 13.40 | |   |
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| 102nd British Chess Championships Weekend Open | Coventry | ENG | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 2003 | 1.00 | 3 | -0.85 | 20 | -17.00 | |
|  Benson, Sean T | | | 1745 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Claridge-Hansen, William | | | 2113 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Davison, Chris | | | 1870 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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) | | | | 31st Hampstead Weekend Congress: Under 2200 | London | ENG | 2015-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2003 | 3.50 | 4 | 1.52 | 20 | 30.40 | |
| | Barasi, Paul Dl | | | 1799 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Haridas, Girinath | | | 1960 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Peiris, T G M | | | 2103 | SRI | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Rutherford, William | | | 2151 | SCO | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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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