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Individual Calculations August 2023 |
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| Serban, Stelian Total change: 75.60 | |   |
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| Minerva Open - 4th ed. | Targu Ocna | ROU | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1579 | 1263 | 1.50 | 5 | 0.80 | 40 | 32.00 | |
|  Antohe, Cristian | | | 1556 | ROU | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Serban, Viorel | | | 1498 | ROU | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Draganuta, Neculai | | | 1603 | ROU | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Septilici, Dragos George | | | 1590 | DEN | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ciobanu, Ioan | | | 1646 | ROU | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | Romanian Grand Prix 2nd stage | Brasov | ROU | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1263 | 2.50 | 7 | 1.09 | 40 | 43.60 | |
| | Coicev, Matei-Andrei | | | 2059 | ROU | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Criveanu, Maria | | | 1677 | ROU | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Ion, Darius-Ionut | | | 1064 | ROU | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Serban, Viorel | | | 1498 | ROU | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Bisti, Stefan | | | 1754 | ROU | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Dunca, Patrick-David | | | 1518 | ROU | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Pirvu, Ciprian-Valentin | | | 1577 | ROU | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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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