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Individual Calculations May 2011 |
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| Gorman, Dov Total change: 31.35 | |   |
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| 2011 World Amateur Team & US Team East | Parsippany, New Jersery | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2287 | 2.50 | 3 | 0.57 | 15 | 8.55 | |
|  Pattard, Thomas | | | 2153 | GER | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Minear, Peter | | | 2253 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | |  Garbarino, Jake | | | 2140 | USA | 1.00 | 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) | | | | 43rd Annual Virginia Open | McLean, Virginia | USA | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2292 | 2.00 | 3 | 0.29 | 15 | 4.35 | |
| | Rea, Andrew B | | | 2143 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Barnakov, Yuri A | | | 2169 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Kaufman, Lawrence | g | | 2413 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | 2nd Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 2292 | 5.50 | 8 | 1.23 | 15 | 18.45 | |
| | Matamoros, Carlos | g | | 2549 | ECU | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Fedorowicz, John P | g | | 2444 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Mo, Kevin | | | 2064 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Heredia, Carla | | wm | 2102 | ECU | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Ding, Andrew | | | 2005 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Stopa, Jacek | m | | 2453 | POL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Tom, George | | | 2007 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kekelidze, Mikheil | g | | 2460 | GEO | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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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