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Individual Calculations November 2015 |
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| Boff, Andre Ricardo Total change: -17.60 | |   |
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| 2015 Millionaire Chess Open II Under 2200 Section | Las Vegas, Nevada | USA | 2015-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1933 | 3.00 | 6 | 0.54 | 20 | 10.80 | |
|  Farah, Daniel Landshoff | | | 1885 | BRA | 0.00 | 1 | -0.57 | 20 | -11.40 | |  Burns, Randas L | | | 1930 | USA | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Lampman, Becca | | | 2024 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Boidiya, Sidi | f | | 2093 | MTN | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Rueda, Libardo | | | 2093 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Odeh, Kenneth | | | 1985 | NGR | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | 2015 Spice Cup Open | Saint Louis, Missouri | USA | 2015-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 1933 | 0.00 | 6 | -1.42 | 20 | -28.40 | |
| | Gulamali, Kazim | f | | 2333 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Adamson, Robby | f | | 2269 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Voelker, James | | | 2159 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Proleiko, Julian | | | 1983 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Velez, Ryan A | | | 2063 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Richter, Alex J | | | 2118 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | * 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) | | |
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