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Individual Calculations September 2011 |
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| Benjamin, Joel Total change: -0.70 | |   |
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| 48th Canadian Open Chess Championship 2011 | Toronto, Ontario | CAN | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2553 | 7.00 | 9 | 0.53 | 10 | 5.30 | |
|  Ibrahim, Ismail | | | 2156 | AFG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Humphreys, Michael | | | 2153 * | CAN | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Renteria, Rolando | | | 2165 | COL | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Sapozhnikov, Roman | f | | 2295 | CAN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Samsonkin, Artiom | m | | 2378 | CAN | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Golod, Vitali | g | | 2582 | ISR | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Krush, Irina | m | wg | 2486 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Arencibia, Walter | g | | 2476 | CUB | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Bojkov, Dejan | g | | 2544 | BUL | 0.50 | 1 | -0.01 | 10 | -0.10 | | | * 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) | | | | 6th Edmonton International | Edmonton, Alberta | CAN | 2011-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2307 | 2553 | 7.00 | 9 | -0.07 | 10 | -0.70 | |
| | Abrahamyan, Tatev | | wg | 2343 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Valencia, Belsar | | | 2204 | PHI | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Pechenkin, Vladimir | f | | 2297 | CAN | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Shabalov, Alexander | g | | 2577 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Haessel, Dale | f | | 2211 | CAN | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Wang, Richard | | | 2240 | CAN | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Gardner, Robert J | | | 2188 | CAN | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Melekhina, Alisa | f | wm | 2263 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Porper, Edward | m | | 2444 | CAN | 0.50 | 1 | -0.15 | 10 | -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) | | | | 17th Annual Northeast Open | Stamford, Connecticut | USA | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2335 | 2553 | 2.50 | 3 | 0.26 | 10 | 2.60 | |
| | Rozovsky, Daniel | f | | 2153 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Figler, Ilye | m | | 2304 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Kudrin, Sergey | g | | 2547 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | | | * 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) | | | | 2011 Manhattan Open - Open Section | New York, New York | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2350 | 2553 | 4.50 | 7 | -0.79 | 10 | -7.90 | |
| | Pressman, Leif A | | | 2280 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Kleiman, Jake | m | | 2375 | USA | 0.00 | 1 | -0.73 | 10 | -7.30 | | | Adu, Oladapo O | m | | 2276 | NGR | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Coleman, Teddy | f | | 2285 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Sarkar, Justin | m | | 2376 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Lapshun, Yury | m | | 2444 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Quan, Zhe | m | | 2412 | CAN | 0.00 | 1 | -0.69 | 10 | -6.90 | |
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) | | |
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