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Individual Calculations February 2013 |
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| Wlezien, Alexander Total change: -32.10 | |   |
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| 39th Annual Eastern Open | Washington DC | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2032 | 2.50 | 5 | 0.07 | 30 | 2.10 | |
|  Giannatos, Peter L | | | 2122 | USA | 1.00 | 1 | 0.62 | 30 | 18.60 | |  Samuelson, Andrew | | | 2198 | USA | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Karamsetty, Jeevan | | | 2041 | USA | 0.00 | 1 | -0.49 | 30 | -14.70 | | | Slack, David | | | 1915 | USA | 1.00 | 1 | 0.34 | 30 | 10.20 | | | Collier, Philip M | | | 1948 | USA | 0.50 | 1 | -0.12 | 30 | -3.60 | |
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) | | | | 5th Annual Chesapeake Open | Gaithersburg, Maryland | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2032 | 1.00 | 5 | -1.14 | 30 | -34.20 | |
| | Barnett, Alex | | | 2243 | USA | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Karell, Leif Kazuo | | | 2012 | USA | 1.00 | 1 | 0.47 | 30 | 14.10 | | | Sherman, David | | | 2092 | USA | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Kahn, Aaron E | | | 2272 | USA | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Yu, Jennifer R | | | 1830 | USA | 0.00 | 1 | -0.76 | 30 | -22.80 | |
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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