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Individual Calculations September 2009 |
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| Humphreys, Michael Total change: -33.00 | |   |
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| 2009 Eastern Ontario Open Section A | Ottawa, Ontario | CAN | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1999 | 0.00 | 2 | -0.93 | 25 | -23.25 | |
|  Valdizon, Armando | | | 2138 | CAN | 0.00 | 1 | -0.31 | 25 | -7.75 | |  Upper, John | | | 1915 | CAN | 0.00 | 1 | -0.62 | 25 | -15.50 | |
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) | | | | 2009 Hart House Open | Toronto, Ontario | CAN | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 1999 | 0.00 | 3 | -0.64 | 25 | -16.00 | |
| | Divljan, Igor | f | | 2290 | CAN | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Sapozhnikov, Roman | | | 2176 | CAN | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Masse, Hugues | | | 2220 | CAN | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | 2009 Canadian Amateur Ch | Kitchener, Ontario | CAN | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1999 | 0.00 | 2 | -1.20 | 25 | -30.00 | |
| | Leu, Richard | | | 1722 | CAN | 0.00 | 1 | -0.83 | 25 | -20.75 | | | Sundar, Avinaash | | | 2093 | CAN | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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) | | | | 2009 Canadian Zonal Ch | Guelph, Ontario | CAN | 2009-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 1999 | 3.00 | 7 | 1.45 | 25 | 36.25 | |
| | Sapozhnikov, Roman | | | 2176 | CAN | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Kaminski, Victor | | | 2268 | CAN | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Me, Kevin | | | 2145 | CAN | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Noritsyn, Nikolay | m | | 2381 | CAN | 0.50 | 1 | 0.41 | 25 | 10.25 | | | Calugar, Arthur | | | 2072 | CAN | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Haessel, Dale | f | | 2204 | CAN | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Porper, Edward | m | | 2399 * | CAN | 0.50 | 1 | 0.42 | 25 | 10.50 | | | * 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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