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Individual Calculations July 2009 |
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| Pitterson, Jomo Total change: 12.00 | |   |
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| Magnificent Chess UWI Masters Tournament | Kingston, Jamaica | JAM | 2009-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2242 | 3.00 | 6 | 0.49 | 15 | 7.35 | |
|  Matthews, Shane | | | 2185 | JAM | 0.50 | 1 | -0.08 | 15 | -1.20 | |  Romero Holmes, Alfonso | g | | 2526 | ESP | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Hammar, Bengt | f | | 2323 | SWE | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Warner, Delisle | f | | 2212 | BAR | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Elliott, Warren | f | | 2265 | JAM | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Vilela De Acuna, Jose Luis | m | | 2338 | CUB | 0.50 | 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) | | | | Heroes Day Masters Cup | Bridgetown | BAR | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2360 | 2242 | 3.50 | 9 | 0.31 | 15 | 4.65 | |
| | Uribe, Mauricio | m | | 2416 | COL | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Harper, Ryan | f | | 2206 | TRI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Elliott, Warren | f | | 2265 | JAM | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Shabalov, Alexander | g | | 2569 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Moran Nuque, Augusto | m | | 2393 | ECU | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Farley, Terry | f | | 2241 | BAR | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Hammar, Bengt | f | | 2323 | SWE | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Zapata, Alonso | g | | 2514 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Paikidze, Nazi | | wm | 2310 | GEO | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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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