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Individual Calculations May 2015 |
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| Bin-Suhayl, Ieysaa Total change: 39.60 | |   |
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| 59th Southend Chess Congress | Southend-on-Sea | ENG | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1879 | 3.50 | 7 | 0.95 | 40 | 38.00 | |
|  Talsma, Paul | | | 2210 | NED | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Kalaiyalahan, Akshaya | | | 2074 | ENG | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Gaudeau, Valentin | | | 2048 | FRA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Ahluwalia, Amardip | | | 1713 | ENG | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Iyengar, Ilya | | | 2025 | ENG | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Le Fevre, Stephen D | | | 1792 | ENG | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Gregory, Stephen J | | | 2059 | ENG | 1.00 | 1 | 0.74 | 40 | 29.60 | |
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) | | | | 2nd 4NCL Congress Open | Wakefield | ENG | 2015-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1879 | 2.00 | 5 | 0.04 | 40 | 1.60 | |
| | Williamson, Roger G | | | 2184 | ENG | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Doran, Chris | | | 2011 | ENG | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Bramson, Mike | | | 1832 | ENG | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Hilton, Tim | | | 1792 | ENG | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Nicholson, Jim W R | | | 2020 | ENG | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | |
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