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Individual Calculations February 2018 |
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| Sivarajasingam, Venetia Total change: 33.20 | |   |
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| South Wales New Year Open 2018 | Bridgend | WLS | 2018-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1731 | 3.00 | 4 | 2.01 | 40 | 80.40 | |
|  Taylor, Robert Graham | | | 1927 | WLS | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Bevan, Peter M | | | 1951 | WLS | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Parry, Matthew | | | 1903 | WLS | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Waterfield, John W | | | 1925 | WLS | 1.00 | 1 | 0.75 | 40 | 30.00 | |
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 4 South Rounds 3-4 | Reading | ENG | 2018-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1731 | 0.50 | 2 | -0.95 | 40 | -38.00 | |
| | Saidmurodov, Shahjahon | | | 1639 | ENG | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Jaufarally, Mohammud | | | 1468 | ENG | 0.50 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Welsh Chess Premier League 2017/18 Round 3 | Neath | WLS | 2018-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 1731 | 0.00 | 1 | -0.23 | 40 | -9.20 | |
| | May, Adam J | | | 1946 | WLS | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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