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Individual Calculations February 2013 |
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| Abrahamyan, Tatev Total change: -4.35 | |   |
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| 2013 Century West Open | Los Angeles, California | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2361 | 2304 | 2.50 | 3 | 1.23 | 15 | 18.45 | |
|  Remlinger, Larry A | m | | 2309 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Peters, Jack | m | | 2350 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | |  Matikozyan, Andranik | m | | 2424 | ARM | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | 4th Annual Golden State Open | Concord, California | USA | 2013-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2304 | 3.00 | 7 | -1.52 | 15 | -22.80 | |
| | Harmon-Vellotti, Carl Honor | | | 1904 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Amanov, Zhanibek | m | | 2360 | KAZ | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Kaufman, Lawrence Charles | g | | 2346 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Seitzer, Phillip | | | 2010 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Wheeler, Cameron | f | | 2165 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Harmon-Vellotti, Luke Connor | f | | 2338 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Pupols, Viktors P | | | 2115 | USA | 0.00 | 1 | -0.75 | 15 | -11.25 | | | * 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) | | |
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