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Individual Calculations November 2017 |
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| Ralphs, Nigel Total change: -11.80 | |   |
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| 2017 South Wales Autumn Open | Pencoed | WLS | 2017-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 2043 | 2.50 | 5 | -0.60 | 20 | -12.00 | |
|  Van Kemenade, Julie | | | 1694 | WLS | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Turner, Joseph David | | | 1888 | WLS | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Kett, Tim | | | 2202 | WLS | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Van Kemenade, Rudy | | | 1998 | WLS | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Fathallah, Joe | | | 1935 | WLS | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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) | | | | Welsh Chess Premier League 2017/18 Round 1 | Various | WLS | 2017-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2043 | 0.50 | 1 | 0.01 | 20 | 0.20 | |
| | Bullen, Alex | | | 2047 | WLS | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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