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Individual Calculations September 2009 |
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| Aaron, Deepak Total change: 24.90 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2077 | 4.00 | 8 | 1.01 | 15 | 15.15 | |
|  Bournival, Braden | f | | 2294 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Weser, Adam | | | 2098 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | De Fotis, Gary C | | | 2128 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Gershenov, Ben | | | 1987 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Madsen, Dag | f | | 2282 | NOR | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Rubenchik, Rodion | f | | 2299 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Ng, Gary K W | | | 2085 | CAN | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Hughes, Tyler B | | | 2230 | USA | 0.00 | 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) | | | | 2009 US Cadet | Crossville, TN | USA | 2009-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2110 | 3.00 | 7 | -0.41 | 15 | -6.15 | |
| | Shen, Victor C | | | 2177 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Dahl, Matthew D | | | 2088 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Agarwal, Rohan | | | 2197 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Pamatmat, Jarod M | | | 2033 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Tanaka, Christian | | | 2183 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Yang, Michael | | | 2052 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Ng, Andrew | | | 2113 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | 14th Annual Bradley Open | Windsor Locks, Connecticut | USA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 2110 | 1.00 | 2 | 0.17 | 15 | 2.55 | |
| | Castaneda, Andres | | | 2169 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Obregon, Juan L | c | | 2172 | MEX | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2110 | 2.00 | 4 | 0.41 | 15 | 6.15 | |
| | Scheunemann, Tim | | | 1873 | GER | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Kleist, Frederick | | | 2122 | CAN | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Antal, Gergely | m | | 2479 | HUN | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Andrews, Todd D | f | | 2337 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | Denker Tournament of High School Champions | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2110 | 3.50 | 5 | 0.81 | 15 | 12.15 | |
| | Edgerle, Ian | | | 1967 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Pinkerton, James C | | | 2046 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Magness, Trevor S | | | 2105 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Marshall, Abby | | wf | 2171 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Vilenchuk, Michael | | | 2127 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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) | | | | 39th Annual Continental Open | Sturbridge, Massachusetts | USA | 2009-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 2110 | 0.50 | 1 | -0.33 | 15 | -4.95 | |
| | Sells, Philip G | | | 1837 | USA | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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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