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Individual Calculations March 2010 |
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| Angulo, Alberto Total change: -12.75 | |   |
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| I Open IRT Circulo Peruano de Ajedrez | Lima | PER | 2010-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 2068 | 2.00 | 4 | -0.33 | 15 | -4.95 | |
|  Huamani, Jeffry | | | 1797 | PER | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Freyre, Rodrigo | | | 1970 | PER | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Ascoy Contreras, Martin | | | 2275 | PER | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Flores, Alexander | | | 1963 | PER | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | III Open IRT Jose Marca In Memoriam Premier | Lima | PER | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2068 | 2.00 | 5 | -0.52 | 15 | -7.80 | |
| | Cori, T Deysi | | wm | 2412 | PER | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Chong Chinchay, Eric Joel | | | 1753 | PER | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Retamozo, Henry | | | 2213 | PER | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Estrada, Santiago | | | 2046 | PER | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Principe, Alexander | f | | 1917 | PER | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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) | | |
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