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Individual Calculations February 2018 |
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| Brown, Thomas Total change: 21.20 | |   |
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| South Wales New Year Open 2018 | Bridgend | WLS | 2018-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 2064 | 4.00 | 5 | 0.57 | 20 | 11.40 | |
|  Turner, Joseph David | | | 1889 | WLS | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Haigh, Tony | | | 1816 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Denham, Colin | | | 1664 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bevan, Peter M | | | 1951 | WLS | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Blackburn, Jonathan L B | | | 2194 | WLS | 0.50 | 1 | 0.18 | 20 | 3.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2017/18 4NCL Division 3 South Rounds 3-4 | Reading | ENG | 2018-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2064 | 1.00 | 2 | 0.02 | 20 | 0.40 | |
| | Willmoth, Robert F | c | | 2210 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Adams, Mark | | | 1927 | WLS | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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 3 | Neath | WLS | 2018-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2064 | 1.00 | 1 | 0.47 | 20 | 9.40 | |
| | Garcia, Jason | | | 2046 | WLS | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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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