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Individual Calculations September 2009 |
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| Sapozhnikov, Roman Total change: 39.30 | |   |
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| 2009 Hart House Open | Toronto, Ontario | CAN | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 2176 | 3.00 | 4 | 0.89 | 15 | 13.35 | |
|  Sadeghi, Saeid | | | 2248 | CAN | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Humphreys, Michael | | | 1999 | CAN | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Mark, Eddie | | | 2070 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Divljan, Igor | f | | 2290 | CAN | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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 |
| 2082 | 2176 | 1.50 | 4 | -1.01 | 15 | -15.15 | |
| | Xiong, Jerry | | | 2036 | CAN | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Sundar, Avinaash | | | 2093 | CAN | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Mackinnon, Keith | | | 2148 | CAN | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Szalay, Karoly | | | 2050 | CAN | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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 |
| 2264 | 2176 | 0.50 | 3 | -0.66 | 15 | -9.90 | |
| | Martchenko, Alexander | | | 2039 | CAN | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Samsonkin, Artiom | m | | 2403 | CAN | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Panjwani, Raja | f | | 2350 | CAN | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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 |
| 2077 | 2176 | 5.00 | 6 | 1.22 | 15 | 18.30 | |
| | Klarner, William | | | 2134 | GER | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Upper, John | | | 1925 | CAN | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Calugar, Arthur | | | 2072 | CAN | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Demmery, Steve | | | 2105 | CAN | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Sundar, Avinaash | | | 2093 | CAN | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Jung, Hans | f | | 2132 | CAN | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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 |
| 2331 | 2176 | 5.00 | 9 | 2.18 | 15 | 32.70 | |
| | Humphreys, Michael | | | 1999 | CAN | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Noritsyn, Nikolay | m | | 2381 | CAN | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Gerzhoy, Leonid | m | | 2409 | CAN | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Bluvshtein, Mark | g | | 2558 | CAN | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Henry, Liam | | | 2186 | CAN | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Samsonkin, Artiom | m | | 2403 | CAN | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Porper, Edward | m | | 2448 | CAN | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Tayar, Jonathan | f | | 2342 | CAN | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Jiang, Louie | | | 2250 | CAN | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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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