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Individual Calculations March 2010 |
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| Lopez, Alberto Total change: 0.45 | |   |
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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 |
| 2085 | 2134 | 4.00 | 6 | 0.66 | 15 | 9.90 | |
|  Chumpitaz, Ann | | wf | 2021 | PER | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Orbezo Rosales, Ximena Lucia | | | 1814 | PER | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Donayre, Bertin | | | 2040 | PER | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Requejo, Oswaldo | | | 2246 | PER | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Padilla, Hugo | | | 2194 | PER | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Pena Morales, Hugo | | | 2195 | PER | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | | | III Open IRT Jose Marca In Memoriam Premier | Lima | PER | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2134 | 3.50 | 8 | -0.63 | 15 | -9.45 | |
| | Requejo, Oswaldo | | | 2246 | PER | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Chong Chinchay, Eric Joel | | | 1753 | PER | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Fernandez, Fernando | | | 2366 | PER | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Quinones, Cesar | f | | 2306 | PER | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Suasnabar, Jesus | | | 2015 | PER | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Tasayco, Alexis | | | 1942 | PER | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Neyra, Miguel | | | 2110 | PER | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Leon, Juan Carlos | | | 2172 | PER | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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