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Individual Calculations January 2009 |
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| Harper, Ryan Total change: -27.45 | |   |
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| F.W. De Verteuil Memorial Open 2008 | Port of Spain | TRI | 2008-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2268 | 1.00 | 3 | -1.06 | 15 | -15.90 | |
|  Cobham, Marcus | | | 2029 | TRI | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Cave, Christo | f | | 2250 | TRI | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Joseph, Marcus | | | 2092 | TRI | 0.00 | 1 | -0.73 | 15 | -10.95 | |
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) | | | | Trinidad and Tobago National Championship Men 2008 | Port of Spain | TRI | 2008-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 2268 | 7.50 | 11 | -1.00 | 15 | -15.00 | |
| | Lee, Hayden | | | 1918 | TRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Winter-Roach, Alex | | | 2081 | TRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Singh, Ravishen | | | 2114 | TRI | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Cabralis, Keron | | | 2000 | TRI | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Yee, Frank | f | | 2111 | TRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Joseph, Marcus | | | 2092 | TRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Sears, Frank | | | 1973 | TRI | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Gill, Joseph | | | 1918 | TRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Cave, Christo | f | | 2250 | TRI | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Lee, Cecil | | | 2001 | TRI | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Rosales, Guelmo | | | 2029 | TRI | 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) | | | | Truspec-Lumkin 2008 | San Fernando | TRI | 2008-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2233 | 4.00 | 5 | 0.22 | 15 | 3.30 | |
| | Cabralis, Keron | | | 2000 | TRI | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Singh, Ravishen | | | 2084 | TRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Rosales, Guelmo | | | 2039 | TRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Lee, Hayden | | | 1883 | TRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Merritt, Mario | f | | 2122 | TRI | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | Olympiad Dresden Open | Dresden | GER | 2008-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2371 | 2233 | 3.00 | 9 | 0.01 | 15 | 0.15 | |
| | Dive, Russell John | m | | 2357 | NZL | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Hatanbaatar, Bazar | g | | 2375 | MGL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Sammalvuo, Tapani | m | | 2463 | FIN | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Faulks, Nick | c | | 2100 | BER | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Al-Modiahki, Mohamad | g | | 2559 | QAT | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Belkhodja, Slim | g | | 2476 | TUN | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Bluvshtein, Mark | g | | 2557 | CAN | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Hernandez Guerrero, Gilberto | g | | 2549 | MEX | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Goundar, Sanmogam | | | 1905 | FIJ | 1.00 | 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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