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Individual Calculations March 2012 |
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| Marcus, Joseph Total change: 6.60 | |   |
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| TT - National Swiss Open | Port of Spain | TTO | 2011-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 2182 | 3.50 | 4 | 0.38 | 15 | 5.70 | |
|  Mahendra, Singh | | | 1786 | TRI | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Cecil, Lee | | | 1949 | TRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Esan, Wiltshire | | | 1984 | TRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ravishen, Singh | | | 2069 | TRI | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | F. W. De Verteuil Memorial Open Swiss Chess Tournament 2011 | Port of Spain | TTO | 2011-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 2182 | 3.00 | 4 | 0.06 | 15 | 0.90 | |
| | Smith, Alpacino | | | 1831 | TRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Lee, Hayden | | | 1944 | TRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Yee, Frank | f | | 2086 | TRI | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Perryman, Sean | | | 2092 | TRI | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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