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Individual Calculations January 2011 |
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| Berg, George P Total change: -14.40 | |   |
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| Marshall CC FIDE Thursdays | New York, NY | USA | 2010-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 2095 | 0.00 | 2 | -1.26 | 15 | -18.90 | |
|  Black Jr, James A | | | 1963 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | |  Waxman, Marian | | | 2040 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 2010 Marshall Chess Club Championship | New York, New York | USA | 2010-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2095 | 2.00 | 6 | -0.60 | 15 | -9.00 | |
| | Bonin, Jay R | m | | 2317 | USA | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Robinson, Darrian | | | 1930 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Aaron, Deepak | | | 2177 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Hulse, Brian | f | | 2202 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Erdei, Andras | | | 2157 | HUN | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Pappaceno, Michael | | | 2088 | 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) | | | | 2010 Marshall November Grand Prix | New York, New York | USA | 2010-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2088 | 2.00 | 4 | 0.16 | 15 | 2.40 | |
| | Spigel, David E | | | 1993 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Rosenberg, Evan S | | | 2213 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Hoffmann, Asa | f | | 2296 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Margiotta, Jason J | | | 1978 | USA | 0.00 | 1 | -0.65 | 15 | -9.75 | |
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) | | | | 2010 Marshall December Grand Prix | New York, New York | USA | 2010-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2088 | 2.00 | 3 | 0.74 | 15 | 11.10 | |
| | Pillai, Kadhir A | | | 2047 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Hoffmann, Asa | f | | 2296 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | West, James R | | | 2110 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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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