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Individual Calculations March 2010 |
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| Harper, Ryan Total change: 23.55 | |   |
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| F.W. De Verteuil Memorial Open 2009 | Port of Spain | TRI | 2009-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 2236 | 3.50 | 5 | -0.53 | 15 | -7.95 | |
|  Wiltshire, Esan | | | 1991 | TRI | 0.50 | 1 | -0.30 | 15 | -4.50 | |  Lee, Hayden | | | 1836 * | TRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Singh, Ravishen | | | 2084 | TRI | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Lee, Cecil | | | 1955 | TRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Cabralis, Keron | | | 2024 | TRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Men's Championship 2009 | Port of Spain | TRI | 2009-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 2236 | 8.00 | 10 | 1.05 | 15 | 15.75 | |
| | Singh, Ravishen | | | 2084 | TRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Cave, Christo | f | | 2205 | TRI | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Paul, Jayson | | | 1925 | TRI | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Yee, Frank | f | | 2093 | TRI | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Merritt, Mario | f | | 2141 | TRI | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Duncan, Leonard | | | 2017 | TRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Ramadhar, Kishore | | | 2073 | TRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Joseph, Marcus | | | 2165 | TRI | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Cabralis, Keron | | | 2024 | TRI | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Cobham, Marcus | | | 2118 | TRI | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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) | | | | Truspec-Lumkin Open | San Fernando | TRI | 2009-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 2238 | 6.50 | 7 | 1.05 | 15 | 15.75 | |
| | Ali, Ian | | | 1838 * | TRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Lee, Cecil | | | 1964 | TRI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Cabralis, Keron | | | 2045 | TRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Pouchet, Michael | f | | 2084 | TRI | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Winter-Roach, Alex | | | 2058 | TRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Sears, Frank | | | 1982 | TRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Singh, Ravishen | | | 2100 | TRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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