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Individual Calculations July 2010 |
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| Maguire, Robert Total change: 71.70 | |   |
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| Coulsdon Premiership | Coulsdon | ENG | 2009-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 1825 | 2.50 | 9 | 0.90 | 15 | 13.50 | |
|  Snape, Ian | | | 2189 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Kilpatrick, Callum | | | 2225 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bailey, Kevin | | | 2083 | ENG | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Lock, Gavin | | | 2188 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Williams, Peter A | | | 1961 | ENG | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Sagyaman, Francis William | | | 1937 | PHI | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Rizvi, Nasir | | | 2156 | WLS | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Osborne, Marcus | | | 2218 | CRO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Edwards, Nicholas L | | | 1998 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | * 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) | | | | Coulsdon Super League | Coulsdon | ENG | 2009-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1825 | 3.00 | 5 | 0.21 | 15 | 3.15 | |
| | Howell, Chris I | | | 2077 | ENG | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Darville, Matt | | | 1895 | ENG | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Clayton, Tristan | | | 1729 | ENG | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Gliddon, Daniel | | | 1577 | ENG | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Selby, Keith | | | 1623 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 1825 | 5.50 | 8 | 3.67 | 15 | 55.05 | |
| | Matthews, Adrian M S | | | 1936 | ENG | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Truman, Richard G | | | 2015 | ENG | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Healey, Michael W | | | 2016 | ENG | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Cooper, David M | | | 2098 | ENG | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Bentley, John L | | | 2225 * | ENG | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Jaszkiwskyj, Peter | | | 1941 | ENG | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Morris, Gareth L | | | 2147 | WLS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Roberts, Lynda | | | 2010 | WLS | 1.00 | 1 | 0.74 | 15 | 11.10 | | | * 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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