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Individual Calculations September 2009 |
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| Matoewi, Roger Total change: -22.50 | |   |
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| National Championship | Paramaribo | SUR | 2009-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2159 | 4.50 | 8 | -1.00 | 15 | -15.00 | |
|  Sanches , Romario | | | 1904 | SUR | 0.50 | 1 | -0.31 | 15 | -4.65 | |  Hanoeman , Suradj | | | 1899 | SUR | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Veer , Willem | | | 1933 | SUR | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Mungroo , Franklin | | | 2194 | SUR | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Gajadin , Dewperkash | c | | 2175 | SUR | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Lo Kim Lin , Frank | | | 2159 | SUR | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Naipal , Victoria | | wf | 1809 | SUR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Giasi , Viresh | | | 1954 | SUR | 0.50 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | Caribbean Chess Carnival 2009 - Open | Port of Spain | TRI | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2159 | 4.50 | 9 | -0.50 | 15 | -7.50 | |
| | Bowles, Andrew | | | 1906 | TRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Denny, Kevin | m | | 2351 | BAR | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Ramadhar, Kishore | | | 2099 | TRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Lee, Hayden | | | 1790 | TRI | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Adu, Oladapo | m | | 2276 | NGR | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Suez-Panama, Gilles | | | 2122 | FRA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Marichal, Ariel | | | 2228 | CUB | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Cobham, Marcus | | | 2097 | TRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Ubaldo Suarez, Maria Gisela | | wm | 2102 | VEN | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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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