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Individual Calculations January 2010 |
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| Valenzuela Martinez, Herme Total change: 35.25 | |   |
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| North America Youth Chess Championships Under 12 | Mazatlan, Sinaloa | MEX | 2009-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1770 | 1.00 | 2 | 0.37 | 25 | 9.25 | |
|  Valencia Hernandez, Rubi | | | 1732 | MEX | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Troff, Kayden W | | | 2170 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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) | | | | II Torneo Nacional CIMA | CORDOBA, VER | MEX | 2009-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 1802 | 0.00 | 3 | -0.32 | 25 | -8.00 | |
| | Cordova, Emilio | g | | 2202 * | PER | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Rojas Alarcon, Julian Anto | c | | 2202 * | MEX | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Lazzeri Menendez, Santos G | | | 2086 | MEX | 0.00 | 1 | -0.16 | 25 | -4.00 | | | * 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) | | | | Absolute National Championship Men´s | Huatulco, Oaxaca | MEX | 2009-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 1802 | 2.00 | 5 | 1.36 | 25 | 34.00 | |
| | Hernandez Guerrero, Eduard | f | | 2202 * | MEX | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Capo Vidal, Uriel | m | | 2202 * | MEX | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Martin Del Campo C., Jorge | f | | 2202 * | MEX | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Lopez De La Torre, Armando | | | 2055 | MEX | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Fabian Reyes, Felipe | | | 2037 | MEX | 0.50 | 1 | 0.29 | 25 | 7.25 | | | * 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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