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Individual Calculations March 2011 |
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| Norowitz, Yaacov Total change: -8.50 | |   |
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| 20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2424 | 2375 | 2.50 | 5 | 0.29 | 25 | 7.25 | |
|  Smirin, Ilya | g | | 2654 | ISR | 0.50 | 1 | 0.34 | 25 | 8.50 | |  Barnett, Alex | | | 2300 | USA | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Ravichandran, Siddharth | m | | 2463 | IND | 0.50 | 1 | 0.12 | 25 | 3.00 | | | Kleiman, Jake | m | | 2405 | USA | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Young, Gregory | | | 2296 | USA | 0.00 | 1 | -0.61 | 25 | -15.25 | |
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) | | | | 43rd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2470 | 2375 | 0.50 | 3 | -0.63 | 25 | -15.75 | |
| | Esserman, Marc R | m | | 2412 | USA | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Mandizha, Farai | f | | 2411 | ZIM | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Shabalov, Alexander | g | | 2586 | USA | 0.50 | 1 | 0.27 | 25 | 6.75 | |
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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