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Individual Calculations February 2018 |
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| Bevan, Peter M Total change: -31.40 | |   |
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| South Wales New Year Open 2018 | Bridgend | WLS | 2018-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1951 | 2.50 | 4 | 0.09 | 20 | 1.80 | |
|  Probert, Malcolm | | | 1614 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Sivarajasingam, Venetia | | wc | 1731 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Brown, Thomas | | | 2064 | WLS | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Young, Alan | | | 2023 | WLS | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | 2017/18 4NCL Division 3 South Rounds 3-4 | Reading | ENG | 2018-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1951 | 0.00 | 2 | -0.85 | 20 | -17.00 | |
| | Ethelontis, Alexandros N | | | 2168 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Hughes, Anthony | c | | 1859 | WLS | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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 |
| 1700 | 1951 | 0.00 | 1 | -0.81 | 20 | -16.20 | |
| | Sivarajasingam, Shayanna | | wc | 1700 | WLS | 0.00 | 1 | -0.81 | 20 | -16.20 | |
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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