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Individual Calculations May 2015 |
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| Gaudeau, Valentin Total change: 52.80 | |   |
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| 59th Southend Chess Congress | Southend-on-Sea | ENG | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2048 | 4.00 | 5 | 1.98 | 20 | 39.60 | |
|  Bin-Suhayl, Ieysaa | | | 1879 | ITA | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Hill, Alistair | | | 2126 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Burnett, Jim | | | 2121 | ENG | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Spence, David J | | | 2230 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Lercel, Michal | | | 2238 | POL | 1.00 | 1 | 0.75 | 20 | 15.00 | |
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) | | | | Hampstead Under 2200 Congress Apr 18 | London | ENG | 2015-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 2048 | 3.50 | 4 | 0.87 | 20 | 17.40 | |
| | Rocco, Federico | | | 1661 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Pollack, Oscar | | | 1783 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Atako, Chino C | | | 2080 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Peiris, T G M | | | 2091 | SRI | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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) | | | | Central London Chess Congress (Open Section) | London | ENG | 2015-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 2048 | 2.00 | 4 | -0.21 | 20 | -4.20 | |
| | Bennett, John M | | | 1976 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Villiers, Thomas | | | 2089 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Atako, Chino C | | | 2080 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Kane, Robert | | | 1888 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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