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Individual Calculations February 2016 |
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| Ralphs, Nigel Total change: 44.20 | |   |
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| 2016 South Wales New Year Congress | Penarth | WLS | 2016-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1976 | 4.50 | 5 | 1.96 | 20 | 39.20 | |
|  Thomas, Roy | | | 1722 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Turner, Joseph David | | | 1911 | WLS | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Sands, David A | | | 2143 | WLS | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Hatchett, Paul | | | 1992 | WLS | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Morris, Gareth | | | 2066 | WLS | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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 2015/16 Round 4 | Various | WLS | 2016-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 1976 | 0.50 | 1 | 0.25 | 20 | 5.00 | |
| | Jones, Iolo C | f | | 2168 | WLS | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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) | | |
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