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Individual Calculations March 2011 |
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| Chen, Howard J Total change: 36.75 | |   |
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| 2nd Annual Golden State Open | Concord, California | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2210 | 2260 | 3.50 | 5 | 0.65 | 15 | 9.75 | |
|  Perepelitsky, Edward | | | 2153 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |  Chakraborty, Dipro | | | 2159 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Pupols, Viktors | | | 2181 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Stopa, Jacek | m | | 2451 | POL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Sevian, Samuel | | | 2108 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | Washington State Championship - Championship | Seattle, Washington | USA | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2260 | 6.50 | 9 | 1.80 | 15 | 27.00 | |
| | Perez, Ignacio | f | | 2249 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Bragg, David R | f | | 2188 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Collyer, Curt D | f | | 2302 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Cozianu, Costin | f | | 2446 | ROU | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Kelley, Dereque D | | | 2167 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Rohonyan, Katerina | | wg | 2306 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Sinanan, Joshua C | | | 2276 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Ummel, Igor | | | 2049 | USA | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Greninger, Harley | | | 2215 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | |
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