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Individual Calculations March 2017 |
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| Bridges, Paul Total change: -4.80 | |   |
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| 46th Dyfed Open 2017 | Fishguard | WLS | 2017-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1828 | 1781 | 1.50 | 4 | -0.24 | 20 | -4.80 | |
|  Powell, Lloyd | | | 2088 | WLS | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Bourne, Johnathan D | | | 1948 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Horrell, Stephen A | | | 1461 | WLS | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Haigh, Tony | | | 1816 | WLS | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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