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Individual Calculations February 2019 |
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| Kelly, Ronan Total change: 44.40 | |   |
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| London Christmas Chess Congress Major | London | ENG | 2018-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1564 | 2.50 | 5 | 0.26 | 40 | 10.40 | |
|  Sheikh, Nasarullah | | | 1722 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Rowan, Paul | | | 1858 | ENG | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Davidson, Laura | | | 1631 | ENG | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Fawke, Laurence | | | 1431 | ENG | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Maton, James J | | | 1402 | ENG | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Central London Chess Congress Major 2019 | London | ENG | 2019-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1564 | 2.00 | 4 | 0.85 | 40 | 34.00 | |
| | Carlucci, Paul A | | | 1796 | ENG | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Jekel, Wolfgang | | | 1719 | GER | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Macneil, Elliott | | | 1706 | WLS | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Pappas, Alexandros | | | 1679 | GRE | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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) | | |
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