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Individual Calculations April 2009 |
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| Gibbs, Dominic V Total change: 12.45 | |   |
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| London Christmas Open | Harrow | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1970 | 2.50 | 5 | -0.20 | 15 | -3.00 | |
|  Periasamymanjula, Manibharathi | | | 1704 | ENG | 1.00 | 1 | 0.18 | 15 | 2.70 | |  Warman, Simon M | | | 2137 | ENG | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Jones, Victor G L | | | 1991 | ENG | 0.50 | 1 | 0.03 | 15 | 0.45 | | | McIntyre, Paul | | | 2092 | SCO | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Krishnan, Anand J | | | 1729 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | Hastings Weekend Open | Hastings | ENG | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1996 | 1.50 | 3 | 0.05 | 15 | 0.75 | |
| | Bucher, Grant W | | | 1993 | ENG | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Gibbs, Daniel C | | | 1871 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Byron, Alan M | | | 2162 | ENG | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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) | | | | Uxbridge Open | Uxbridge | ENG | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 1996 | 2.50 | 4 | 0.98 | 15 | 14.70 | |
| | Dawson, Jeff R | | | 2033 | ENG | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Nicholas, Koichi B | | | 2087 | ENG | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Almond, Richard J | | | 2126 | ENG | 0.00 | 1 | -0.32 | 15 | -4.80 | | | McIntyre, Paul | | | 2092 | SCO | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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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