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Individual Calculations July 2009 |
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| Adu, Oladapo Oluto Total change: -18.00 | |   |
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| 31st Annual Marchand Open | Rochester, NY | USA | 2009-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2526 | 2279 | 0.50 | 2 | 0.10 | 15 | 1.50 | |
|  Kacheishvili, Giorgi | g | | 2590 | GEO | 0.50 | 1 | 0.36 | 15 | 5.40 | |  Smith, Bryan G | m | | 2462 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 2294 | 5.00 | 9 | -1.05 | 15 | -15.75 | |
| | Shetty, Atulya A | | | 1972 | USA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Sadvakasov, Darmen | g | | 2619 | KAZ | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Zepeda, Lorena Mar | | wm | 2179 | ESA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Aaron, Deepak | | | 2077 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Moon, Ryan Joseph | | | 2228 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Dygert, Stephen | | | 2048 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Lowinger, Daniel L | | | 2064 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Times, Lawyer | | | 2018 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Getz, Alec | f | | 2229 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | 18th Annual Chicago Open - Open Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2294 | 3.00 | 6 | -0.90 | 15 | -13.50 | |
| | Homa, Seth | | | 2266 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Dougherty, Michael | f | | 2203 | CAN | 0.50 | 1 | -0.12 | 15 | -1.80 | | | O`Donnell, Robert | | | 2048 | USA | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Rosen, Eric S | | | 2142 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Fiedler, Brian | | | 2126 | CAN | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Holt, Conrad | | | 2289 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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) | | | | 6th Annual George Washington Open | Sterling, Virginia | USA | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2294 | 2.50 | 3 | 0.65 | 15 | 9.75 | |
| | Guo, Gill Y | | | 2115 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Pinkerton, James C | | | 2049 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Barbosa, Oliver A | m | | 2426 | PHI | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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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