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Individual Calculations February 2013 |
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| Barnett, Alex Total change: -43.20 | |   |
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| 22nd Annual North American Open - Open Section | Las Vegas, Nevada | USA | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2162 | 2243 | 0.50 | 5 | -2.54 | 15 | -38.10 | |
|  Shabalov, Alexander | g | | 2578 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Viswanadha, Kesav | | | 2130 | USA | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Cao, Jason | f | | 2004 | CAN | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Black, James A | | | 2163 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Helfst, Matt D | | | 1933 | USA | 0.50 | 1 | -0.36 | 15 | -5.40 | |
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 |
| 2151 | 2243 | 1.50 | 3 | -0.34 | 15 | -5.10 | |
| | Wlezien, Alexander | | | 2032 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Enkhbat, Tegshsuren | m | | 2424 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Zheng, Andrew | | | 1997 | USA | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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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