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Individual Calculations May 2015 |
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| Prior, Stephen C V Total change: -24.00 | |   |
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| 4NCL 2014-15 Rounds 7-8 (Div 1 & 2) | Birmingham | ENG | 2015-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 1998 | 2.00 | 2 | 1.33 | 20 | 26.60 | |
|  Freeman, Richard | | | 2039 | ENG | 1.00 | 1 | 0.56 | 20 | 11.20 | |  Bentley, John L | | | 2205 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | |
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 |
| 1698 | 1996 | 3.00 | 5 | -1.23 | 20 | -24.60 | |
| | Remus Elliot, Tai | | | 1596 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Miu, Marinel | | | 1760 | ROU | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Tivillier, Jacques | | | 1689 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Pollack, Oscar | | | 1783 | ENG | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Rocco, Federico | | | 1661 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2024 | 1996 | 1.00 | 5 | -1.30 | 20 | -26.00 | |
| | Villiers, Thomas | | | 2089 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Jezierski, Colum | | | 2022 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Bennett, John M | | | 1976 | ENG | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Iyengar, Ilya | | | 2025 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Rogers, Tim L | | | 2007 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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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