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Individual Calculations March 2017 |
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| Potter, Steven Total change: 60.20 | |   |
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| Frodsham Weekend Chess Congress Open | Frodsham | ENG | 2017-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1851 | 3.00 | 5 | 1.73 | 20 | 34.60 | |
|  Jayawarna, Nugith | | | 2083 | ENG | 1.00 | 1 | 0.79 | 20 | 15.80 | |  Woodcock, Simon | | | 2104 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Crocker, Philip J | | | 2092 | ENG | 1.00 | 1 | 0.80 | 20 | 16.00 | | | McDonagh, Michael | | | 1898 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Surtees, Mike J | | | 2056 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | 2016/17 4NCL Division 3 North Rounds 5-6 | Bolton | ENG | 2017-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1851 | 2.00 | 2 | 1.28 | 20 | 25.60 | |
| | Levens, David G | | | 1967 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Reed, John | | | 1942 | ENG | 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) | | |
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