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Individual Calculations September 2011 |
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| Martchenko, Alexander Total change: 9.75 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2227 | 2.50 | 7 | -2.36 | 15 | -35.40 | |
|  Markovits, Alex | | | 2107 | USA | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Harmon-Vellotti, Carl | | | 1831 | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Kogen, Jonathan S | | | 1998 | USA | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Bouzoukis, Charles | | | 2226 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Altschuler, Jason | | | 2037 | USA | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Black Jr, James A | | | 2094 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Zepeda, Lorena M | | wm | 2185 | ESA | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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) | | | | 2011 CAN Youth Ch U18 Open | Richmond Hill, Ontario | CAN | 2011-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2126 | 2227 | 4.00 | 5 | 0.93 | 15 | 13.95 | |
| | Wang, Jesse B | | | 2007 | CAN | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Calugar, Arthur | | | 2247 | CAN | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Kleinman, Michael | | | 2221 | CAN | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Sapozhnikov, Roman | f | | 2295 | CAN | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Kagramanov, Dalia | | | 1862 | CAN | 1.00 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | 2011 Quebec Invitational | Montreal, Quebec | CAN | 2011-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2412 | 2227 | 4.50 | 9 | 2.08 | 15 | 31.20 | |
| | Gerzhoy, Leonid | m | | 2483 | CAN | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Bolduc, Steve | | | 2230 | CAN | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Noritsyn, Nikolay | m | | 2425 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Jiang, Louie | f | | 2348 | CAN | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Macak, Stefan | m | | 2391 | SVK | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Bojkov, Dejan | g | | 2544 | BUL | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Sambuev, Bator | g | | 2528 | CAN | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Cheng, Bindi | f | | 2385 | CAN | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Kleiman, Jake | m | | 2375 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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