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Individual Calculations September 2009 |
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| Tanaka, Christian Total change: -29.10 | |   |
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| Southern California Championship Candidates | Garden Grove, California | USA | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2183 | 0.00 | 2 | -0.73 | 15 | -10.95 | |
|  Abrahamyan, Tatev | | wf | 2273 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | |  Reynolds, Robert I | f | | 2290 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | 49th Annual Pacific Southwest Open | Los Angeles, California | USA | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2183 | 1.50 | 3 | -0.22 | 15 | -3.30 | |
| | Kitagami, Show | | | 2057 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Bryant, John Daniel | | | 2335 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Hough, Randall D | | | 1992 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 2009 US Cadet | Crossville, TN | USA | 2009-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2183 | 2.50 | 7 | -1.70 | 15 | -25.50 | |
| | Dahl, Matthew D | | | 2088 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Agarwal, Rohan | | | 2197 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Pamatmat, Jarod M | | | 2033 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Yang, Michael | | | 2052 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Aaron, Deepak | | | 2110 | USA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Ng, Andrew | | | 2113 | USA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Shen, Victor C | | | 2177 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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) | | | | 14th Annual Pacific Coast Open | Agoura Hills, California | USA | 2009-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2183 | 3.50 | 5 | 0.98 | 15 | 14.70 | |
| | Manukyan, Garush | | | 2317 | ARM | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Stevens, Lawrence | | | 2089 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Yee, Michael A | | | 2079 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Formanek, Edward W | m | | 2260 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Gutman, Joshua | | | 2153 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | |
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) | | | | 2009 Central California Open | Fresno, California | USA | 2009-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2183 | 1.00 | 3 | -0.27 | 15 | -4.05 | |
| | Liou, Yian | | | 2134 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | | | De Guzman, Ricardo | m | | 2391 | PHI | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Daud, Haryanto | | | 2205 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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