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Individual Calculations July 2010 |
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| Osborne, Marcus E Total change: 2.85 | |   |
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| Coulsdon Premiership | Coulsdon | ENG | 2009-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2218 | 7.00 | 9 | 0.85 | 15 | 12.75 | |
|  Kilpatrick, Callum | | | 2260 | ENG | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Bailey, Kevin | | | 2083 | ENG | 1.00 | 1 | 0.32 | 15 | 4.80 | |  Snape, Ian | | | 2189 | ENG | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Williams, Peter A | | | 1961 | ENG | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Sagyaman, Francis William | | | 1937 | PHI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Lock, Gavin | | | 2188 | ENG | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Edwards, Nicholas L | | | 1998 | ENG | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Maguire, Robert | | | 1825 | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Rizvi, Nasir | | | 2156 | WLS | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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 |
| 2079 | 2218 | 1.50 | 2 | 0.13 | 15 | 1.95 | |
| | Crichton, Martin | | | 2001 | IRL | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Rizvi, Nasir | | | 2156 | WLS | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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 |
| 2297 | 2218 | 0.00 | 2 | -0.79 | 15 | -11.85 | |
| | Swanson, Stephen | | | 2263 | SCO | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Slavin, Alexei | f | | 2331 | RUS | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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