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Individual Calculations July 2009 |
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| Hilton, Jonathan L Total change: 51.75 | |   |
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| 47th Cincinnati Open | Cincinnati, Ohio | USA | 2009-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2194 | 2.50 | 4 | 0.78 | 15 | 11.70 | |
|  Rosen, Matt | | | 2178 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Whaley, Davis | | | 2257 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | |  Multhopp, Hans | f | | 2134 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Stryjecki, Marek | m | | 2426 | POL | 0.50 | 1 | 0.29 | 15 | 4.35 | |
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) | | | | 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2220 | 5.00 | 8 | 1.34 | 15 | 20.10 | |
| | Akobian, Varuzhan | g | | 2570 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Dygert, Stephen | | | 2048 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Esserman, Marc R | | | 2391 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Shetty, Atulya A | | | 1972 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Moriuchi, Toshiyuk | | | 2321 | JPN | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Zepeda, Sonia | | wm | 2126 | ESA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Zlotnikov, Mikhail | m | | 2324 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Betaneli, Alex | f | | 2298 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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) | | | | 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2220 | 5.00 | 6 | 1.69 | 15 | 25.35 | |
| | Huang, Vincent | | | 2051 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Moon, Ryan J | | | 2228 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Kane, Jeremy | | | 2152 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Cardona, Liulia | | wf | 2226 | CUB | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Burgess, Jon L | | | 2230 | ENG | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Theil, Carey M | | | 2196 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2452 | 2220 | 0.50 | 4 | -0.36 | 15 | -5.40 | |
| | Sevillano, Enrico | m | | 2520 | USA | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Finegold, Benjamin | m | | 2497 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | De Guzman, Ricardo | m | | 2390 | PHI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Pruess, David | m | | 2400 | 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) | | |
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