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Individual Calculations July 2009 |
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| Harper, Ryan Total change: 16.80 | |   |
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| Trinidad and Tobago 1st Preliminary National Championship Open 2009 | Arima | TRI | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2206 | 1.50 | 3 | -0.69 | 15 | -10.35 | |
|  Bowles, Andrew | | | 1943 | TRI | 0.50 | 1 | -0.32 | 15 | -4.80 | |  Yee, Frank | f | | 2099 | TRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Chang, Eddison, Dr. | | | 2039 | TRI | 0.00 | 1 | -0.72 | 15 | -10.80 | |
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) | | | | Heroes Day Masters Cup | Bridgetown | BAR | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 2206 | 5.00 | 9 | 1.81 | 15 | 27.15 | |
| | Denny, Kevin | m | | 2354 | BAR | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Pitterson, Jomo | f | | 2242 | JAM | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Paikidze, Nazi | | wm | 2310 | GEO | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Moran Nuque, Augusto | m | | 2393 | ECU | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Hammar, Bengt | f | | 2323 | SWE | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Warner, Delisle | f | | 2209 | BAR | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Farley, Terry | f | | 2241 | BAR | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Shabalov, Alexander | g | | 2556 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Elliott, Warren | f | | 2265 | JAM | 1.00 | 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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