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Individual Calculations September 2012 |
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| Mercs, Peter J Total change: 9.30 | |   |
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| British Championship: Weekend Atkins 2012 | North Shields | ENG | 2012-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2097 | 2.50 | 3 | 1.29 | 15 | 19.35 | |
|  Whitehead, Mark A | | | 2080 | ENG | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Carleton, John J | | | 2274 | ENG | 0.50 | 1 | 0.23 | 15 | 3.45 | |  Dargan, Paul A G | | | 2152 | ENG | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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) | | | | British Championship: Week 2 Morning 2012 | North Shields | ENG | 2012-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 2097 | 1.50 | 3 | -0.67 | 15 | -10.05 | |
| | McDonnell, James J. | | | 1925 | IRL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Zhang, Roy Yinian | | | 1861 | ENG | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Horton, Jamie A | | | 1992 | ENG | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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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