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Individual Calculations July 2009 |
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| Sobo, Henry C Total change: -34.35 | |   |
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| New York March Open | New York, New York | USA | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 2074 | 0.50 | 2 | -0.37 | 15 | -5.55 | |
|  Bonin, Jay | m | | 2361 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Robinson, Darrian | | | 1914 | USA | 0.50 | 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) | | | | 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2074 | 2.00 | 6 | -0.33 | 15 | -4.95 | |
| | Jiang, Louie | | | 2266 | CAN | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Times, Lawyer | | | 2018 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Privman, Boris | f | | 2172 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Bady, Glenn | | | 2255 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Iwu, Okechukwu | | | 2198 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Dygert, Stephen | | | 2048 | 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) | | | | 18th Annual Chicago Open - Open Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2074 | 0.00 | 5 | -1.59 | 15 | -23.85 | |
| | Molner, Mackenzie | | | 2384 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Kleiman, Jake | f | | 2326 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Boor, Carl B | f | | 2291 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Madison, Jeremy M | | | 1981 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Rosen, Eric S | | | 2142 | USA | 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) | | |
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