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Individual Calculations July 2010 |
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| Coates, David H Total change: -16.50 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2067 | 1.00 | 5 | -1.34 | 15 | -20.10 | |
|  Bayliss, Lyall C P | | | 1960 | ENG | 0.00 | 1 | -0.65 | 15 | -9.75 | |  Feavyour, John A | | | 2076 | ENG | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Jaunooby, Ali Reza | | | 2171 | ENG | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Mordue, A Tyson | f | | 2286 | ENG | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Tunstall, George S | | | 1978 | ENG | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | e2e4.org.uk Warrington Congress Open | Warrington, Cheshire | ENG | 2010-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2084 | 1.50 | 4 | -0.20 | 15 | -3.00 | |
| | Hague, Ben | f | | 2306 | ENG | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Maciol, Ryszard | | | 2222 | POL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Gruca, Miroslav | | | 2188 | SVK | 0.00 | 1 | -0.36 | 15 | -5.40 | | | McBride, John | | | 1832 | SCO | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | e2e4.org.uk Sunningdale Congress | Sunningdale, Berkshire | ENG | 2010-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 2084 | 3.50 | 6 | 0.44 | 15 | 6.60 | |
| | James, Stephen B | | | 1991 | WLS | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Williams, Simon K | g | | 2484 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Sharma, Vikas R | | | 2022 | IND | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Gibson, Christopher A | | | 1973 | ENG | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Vachtfeidl, Petr | | | 2039 | CZE | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Cutmore, David A | | | 2050 | ENG | 0.50 | 1 | -0.05 | 15 | -0.75 | | | * 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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