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Individual Calculations October 2008 |
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| Del Castillo, Martyn Total change: -33.75 | |   |
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| Sub Zone 2.3.5 Championship | Merida | VEN | 2008-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2195 | 3.00 | 9 | -1.59 | 15 | -23.85 | |
|  Blackman, Justin | | | 2001 | BAR | 0.50 | 1 | -0.25 | 15 | -3.75 | |  Boada, Wiston | | | 2239 | VEN | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Winter-Roach, Alex | | | 2056 | TRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Osorio, Fernando | | | 2174 | VEN | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Machin-Rivera, Mark | | | 2184 | PUR | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Joseph, Marcus | | | 2007 | TRI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Bermudez Adams, William | | | 2183 | PUR | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Soto Paez, Oliver | f | | 2360 | VEN | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Iturrizaga, Eduardo | g | | 2534 | VEN | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | Central American and Caribbean Junior Championship | Maturin | VEN | 2008-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2195 | 2.00 | 5 | -0.22 | 15 | -3.30 | |
| | Pulvett, Daniel | | | 2105 | VEN | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Fonseca Cabrera, Ernesto | | | 2106 | NCA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Panesso, Henry | f | | 2281 | COL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Aguero, Luis Lazaro | f | | 2362 | CUB | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Macias Murillo, Bryan | | | 2328 | ECU | 1.00 | 1 | 0.68 | 15 | 10.20 | |
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) | | | | Sagicor Open Junior | Bridgetown | BAR | 2008-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 2195 | 2.00 | 3 | -0.44 | 15 | -6.60 | |
| | Grant, Kirk | | | 1845 | BAR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Blackman, Justin | | | 2001 | BAR | 0.00 | 1 | -0.75 | 15 | -11.25 | | | James, Stuart | | | 1956 | JAM | 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) | | |
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