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Individual Calculations July 2009 |
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| Piasetski, Leon Total change: 0.40 | |   |
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| 3rd Annual Grand Pacific Open | Victoria | CAN | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2288 | 4.00 | 5 | 0.71 | 10 | 7.10 | |
|  Leblanc, Paul | | | 2005 | CAN | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Patterson, Roger | | | 2148 | CAN | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Gansvind, Valeria | | wf | 2231 | EST | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Davies, Lucas | | | 2170 | CAN | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Day, Lawrence | m | | 2274 | CAN | 0.50 | 1 | -0.02 | 10 | -0.20 | |
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) | | | | 34th Keres Memorial | Vancouver | CAN | 2009-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2288 | 1.50 | 3 | -0.67 | 10 | -6.70 | |
| | Daswani, Benedict | | | 2053 | CAN | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Milicevic, Dragoljub | | | 2128 | CAN | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Pechisker, Alfred | | | 2163 | CAN | 0.00 | 1 | -0.67 | 10 | -6.70 | |
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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