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Individual Calculations September 2023 |
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| Sotelo Reyna, Alberto David Total change: 51.60 | |   |
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| TORNEO IRT CLASICO PREPARACION AL NACIONAL 2023 SUB 1800 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1290 | 1211 | 3.00 | 5 | 0.92 | 40 | 36.80 | |
|  Ramirez Espino, Alessandro | | | 1581 | PER | 1.00 | 1 | 0.90 | 40 | 36.00 | |  Moreyra Saravia, Juan De Dios | | | 1417 | PER | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Canta Cajahuaringa, Jazmin | | | 1022 | PER | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Puma Puchoc, Alejandro Apolinar | | | 1061 | PER | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Fernandez Monteza, Fabian Arturo | | | 1369 | PER | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | Campeonato Regional de Ajedrez Metropolitano Impar Sub 13 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1163 | 1.00 | 2 | 0.37 | 40 | 14.80 | |
| | Fernandez Monteza, Fabian Arturo | | | 1351 | PER | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Rodriguez Chambi, Fabrizio Santia | | | 1259 | PER | 1.00 | 1 | 0.63 | 40 | 25.20 | |
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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