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Individual Calculations February 2015 |
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| Kopiecki, Edward Total change: -59.40 | |   |
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| 2014 MCC October - November FIDE Thursday | New York, New York | USA | 2014-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1999 | 1.50 | 5 | -2.12 | 20 | -42.40 | |
|  Oliver, Sandra | | | 1615 | USA | 0.50 | 1 | -0.41 | 20 | -8.20 | |  Cherubin, Robert | | | 1599 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ray, Sarathi | | | 2053 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Scher, Edward | | | 1809 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Tannenbaum, Jeffre | | | 1909 | USA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2014 MCC FIDE Mondays December 8 | New York, New York | USA | 2014-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1979 | 3.50 | 6 | -0.35 | 20 | -7.00 | |
| | Zong Jr, Davis | | | 1579 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Juac, Majur | | | 2115 | USA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Hulse, Brian | f | | 2101 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Beatty, Robert Den | | | 1850 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Izrayelit, Boris | | | 1741 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Quick, Bryan | | | 1726 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2014 MCC November Grand Prix | New York, New York | USA | 2014-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1979 | 1.00 | 2 | 0.16 | 20 | 3.20 | |
| | Huang, Gary | | | 2170 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Bokiev, Alan | | | 1911 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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) | | | | Marshall Amateur Championship/Jerry Simon Memorial FIDE rated | New York, New York | USA | 2014-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1963 | 0.00 | 1 | -0.85 | 20 | -17.00 | |
| | Davis, Katherine S | | | 1672 | USA | 0.00 | 1 | -0.85 | 20 | -17.00 | |
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) | | | | 98th Annual Marshall Chess Club Championship | New York, New York | USA | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 1963 | 2.50 | 8 | 0.19 | 20 | 3.80 | |
| | Bennett, David Michael | c | | 2196 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | La Marca, Edward N | | | 2068 | USA | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Allicock, Rawle A | f | | 2236 | ENG | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Bhatty, Karan | | | 2117 | IND | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Taylor, Timothy W | m | | 2296 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Kumar, Aravind | f | | 2124 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Der Manuelian, Haik Oliver | | | 2023 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Qi, Henry | | | 2002 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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