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Individual Calculations April 2009 |
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| Periasamymanjula, Manibharathi Total change: 6.45 | |   |
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| 4NCL part 2 | Various | ENG | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 1704 | 0.00 | 1 | -0.14 | 15 | -2.10 | |
|  Jeffries, Majid | | | 2018 | ENG | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | London Christmas Open | Harrow | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1704 | 1.50 | 4 | 0.82 | 15 | 12.30 | |
| | Gibbs, Dominic V | | | 1970 | ENG | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Burke, Mitchell R | | | 1914 | ENG | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Bonafont, Philip R | | | 2054 | ENG | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Jones, Victor G L | | | 1991 | ENG | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | Hastings Weekend Open | Hastings | ENG | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1718 | 1.00 | 4 | 0.13 | 15 | 1.95 | |
| | Mayhew, Andrew | | | 2040 | ENG | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Enciu, Liviu | | | 1983 | ENG | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Scholes, James E | | | 2068 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fowler, David | | | 1752 | ENG | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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 |
| 2047 | 1718 | 0.00 | 3 | -0.38 | 15 | -5.70 | |
| | Norinkeviciute, Rasa | | wf | 2005 | LTU | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Compton, Alistair | | | 2068 | NZL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Nicholas, Koichi B | | | 2068 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | |
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