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Individual Calculations November 2011 |
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| Cao, Kevin Y Total change: 43.20 | |   |
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| 2011 Illinois Open Championship | Oak Brook, Illinois | USA | 2011-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 2120 | 1.50 | 2 | 0.33 | 15 | 4.95 | |
|  Dixon, Jeff S | | | 1927 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | |  Stamnov, Aleksanda | f | | 2180 | MKD | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | 2011 US Class Championships | Houston, Texas | USA | 2011-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2120 | 3.00 | 4 | 0.76 | 15 | 11.40 | |
| | Balakrishnan, Naveen | | | 2043 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Sawyer, Bradley J | | | 2154 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Safin, Artur K | | | 2228 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Chiang, Jonathan | | | 1842 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | 20th Annual Midwest Class Championships | Wheeling, Illinois | USA | 2011-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2120 | 2.00 | 3 | 0.48 | 15 | 7.20 | |
| | Kogen, Jonathan S | | | 2103 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Wallach, Kenneth T | | | 2176 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Hyatt, Doug | | | 2062 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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) | | | | Mulligan Masters and Experts IV | Wothington, Ohio | USA | 2011-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2120 | 2.50 | 3 | 1.31 | 15 | 19.65 | |
| | Ofek, Ariel | | | 2045 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Boor, Carl B. | f | | 2265 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Hassen, Matt | | | 2288 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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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