Individual Calculations October 2015 |
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Porter, Sam J Total change: 15.80 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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CCF LATE SUMMER CONGRESS Open | London | ENG | 2015-09-05 |
Rc | Ro | w | n | change | K | K*chg | Game |
1902 | 1955 | 3.00 | 4 | 0.79 | 20 | 15.80 | |
| Sheerin, Alex | | | 1623 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | Bridge, Neil A | | | 2031 | ENG | 1.00 | 1 | 0.60 | 20 | 12.00 | | Kalavannan, Koby | | | 1989 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | Rice, Chris B | | | 1966 | ENG | 1.00 | 1 | 0.52 | 20 | 10.40 | | 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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