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Individual Calculations September 2009 |
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| Martchenko, Alexander Total change: 68.70 | |   |
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| 2009 Canadian Open | Edmonton, Alberta | CAN | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2039 | 2.00 | 5 | 0.40 | 15 | 6.00 | |
|  Samsonkin, Artiom | m | | 2403 | CAN | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Daniluk, Jim | | | 1978 | CAN | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Yearwood, Roy | | | 2073 | CAN | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Me, Kevin | | | 2145 | CAN | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Zilberstein, Dmitry | m | | 2394 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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 Youth Ch U16 Open | Victoria, British Columbia | CAN | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2039 | 2.50 | 4 | 0.60 | 15 | 9.00 | |
| | Wang, Jesse B | | | 2017 | CAN | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Calugar, Arthur | | | 2072 | CAN | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Xiong, Jerry | | | 2036 | CAN | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Sundar, Avinaash | | | 2093 | CAN | 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) | | | | 2009 Canadian Junior Ch | Victoria, British Columbia | CAN | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2039 | 2.50 | 5 | 0.96 | 15 | 14.40 | |
| | Sapozhnikov, Roman | | | 2176 | CAN | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Calugar, Arthur | | | 2072 | CAN | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Panjwani, Raja | f | | 2350 | CAN | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Samsonkin, Artiom | m | | 2403 | CAN | 0.50 | 1 | 0.40 | 15 | 6.00 | | | Li, Changhe | | | 2014 | CAN | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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 |
| 2291 | 2039 | 4.50 | 9 | 2.62 | 15 | 39.30 | |
| | Bluvshtein, Mark | g | | 2439 * | CAN | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Porper, Edward | m | | 2439 * | CAN | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Panjwani, Raja | f | | 2350 | CAN | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Hebert, Jean | m | | 2399 | CAN | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Arsenault, Nicolas | | | 2161 | CAN | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Kaminski, Victor | | | 2268 | CAN | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Tayar, Jonathan | f | | 2342 | CAN | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Jung, Hans | f | | 2132 | CAN | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Kaminski, Thomas | | | 2088 | CAN | 1.00 | 1 | 0.57 | 15 | 8.55 | | | * 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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