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Individual Calculations April 2013 |
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| Berg, George P Total change: -5.40 | |   |
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| 7th Annual Long Island Open | Ronkonkoma, New York | USA | 2013-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2077 | 1.50 | 4 | 0.03 | 15 | 0.45 | |
|  Bonin, Jay Richard | m | | 2318 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Kopec, Danny | m | | 2324 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Castillo, Josue N | | | 2093 | DOM | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Wisbauer, Robert K | | | 2004 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | 2013 MCC March Grand Prix | New York, New York | USA | 2013-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2077 | 1.00 | 3 | -0.39 | 15 | -5.85 | |
| | Fisher, William | f | | 2270 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Lim, Matthew | | | 1845 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Black Jr, James A | | | 2187 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | |
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