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Individual Calculations February 2017 |
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| Ralphs, Nigel Total change: 12.80 | |   |
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| South Wales New Year Open 2017 | Bridgend | WLS | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 2059 | 3.50 | 4 | 0.85 | 20 | 17.00 | |
|  Haigh, Tony | | | 1822 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Ray, Hiya | | | 1659 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brown, Thomas | | | 2065 | WLS | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Bullen, Alex | | | 2105 | WLS | 1.00 | 1 | 0.56 | 20 | 11.20 | | | * 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) | | | | 2016/17 4NCL Division 3 South Rounds 3-4 | Reading | ENG | 2017-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2059 | 1.00 | 2 | 0.28 | 20 | 5.60 | |
| | Martin, Lewis | | | 2102 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Briscoe, Chris | c | | 2223 | ENG | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | Welsh Chess Premier League 2016/17 Round 2 | Various | WLS | 2017-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2059 | 0.00 | 1 | -0.49 | 20 | -9.80 | |
| | Brown, Thomas | | | 2065 | WLS | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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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