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Individual Calculations January 2012 |
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| Ledger, Dave J Total change: -6.90 | |   |
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| e2e4 Brighton Open | Brighton | ENG | 2011-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 2228 | 2.00 | 4 | -0.24 | 15 | -3.60 | |
|  Jaszkiwskyj, Peter | | | 1987 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Grattage, Matthew | | | 1925 | ENG | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Sowray, Peter J | f | | 2353 | ENG | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Arkell, Keith C | g | | 2418 | ENG | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | London Chess Classic 2011: Open | London | ENG | 2011-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2228 | 4.50 | 9 | -0.22 | 15 | -3.30 | |
| | De Lagontrie, Jean | | | 1912 | FRA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Berg, Emanuel | g | | 2566 | SWE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Wood, Peter R | | | 2027 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Kristinsson, Bjarni Jens | | | 2045 | ISL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Roy Chowdhury, Saptarshi | m | | 2411 | IND | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Ruston, Mark R | | | 2061 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Cox, John J | m | | 2423 | ENG | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Bates, Richard A | m | | 2386 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Burke, John S | | | 2069 | ENG | 0.00 | 1 | -0.71 | 15 | -10.65 | |
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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