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Individual Calculations May 2023 |
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| Rodriguez Sanchez, Juan Carlos Total change: 14.80 | |   |
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| I Open Internacional Madrid Chess Academy Rondas 1-2 | Madrid | ESP | 2023-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1606 | 0.50 | 1 | 0.24 | 20 | 4.80 | |
|  Suarez Paz, Alfonso | | | 1787 | ESP | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | I Open Internacional Madrid Chess Academy Rondas 3-5 | Madrid | ESP | 2023-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1591 | 1591 | 2.00 | 3 | 0.50 | 20 | 10.00 | |
|  Peralta Nava, Alfonso | | | 1460 | ESP | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Parra Valero, Pablo | | | 1603 | ESP | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Guach Rodriguez, Marco Antonio | | | 1711 | CUB | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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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