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Individual Calculations September 2019 |
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| McCarthy, Damian Total change: -20.40 | |   |
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| 106th British Championships Under 1900 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1857 | 2.00 | 4 | -0.90 | 20 | -18.00 | |
|  Walshaw, David | | | 1659 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Britnell, Matthew J | | | 1729 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Ye, Kevin | | | 1716 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Hirst, Joe | | | 1632 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | 13th Leyland Chess Congress | Leyland | ENG | 2019-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1857 | 2.00 | 5 | -0.12 | 20 | -2.40 | |
| | Mazek, Marek | | | 2037 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Taylor, Mark | | | 1755 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Sarakauskas, Gediminas | m | | 2257 * | LTU | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Lyth, John D | | | 1969 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Ross, Stuart | | | 1625 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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