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Individual Calculations January 2016 |
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| McDonnell, James J Total change: 31.60 | |   |
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| 7th London Chess Classic: Weekday Under 2000 | London | ENG | 2015-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1919 | 3.50 | 4 | 1.03 | 20 | 20.60 | |
|  Silici, Renato | | | 1783 | ITA | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Rahman, K Azizur | | | 1809 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Joslin, Tim M | | | 1878 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Strachan, Gavin I | | | 1858 | ENG | 1.00 | 1 | 0.42 | 20 | 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) | | | | 7th London Chess Classic: Weekend Under 2000 | London | ENG | 2015-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1919 | 4.00 | 5 | 0.55 | 20 | 11.00 | |
| | Mata, Andrew B | | | 1714 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Vijayakumar, Ananth | | | 1630 | ENG | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Pollack, Oscar | | | 1762 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Jazdzewski, Daniel | | | 1864 | POL | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Riding, Mick D | | | 1873 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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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