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Rapid:
Individual Calculations January 2015 |
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| Bettalli, Marco Total change: 10.20 | |   |
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| OP 9 PISA | PISA | ITA | 2014-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2039 | 5.50 | 9 | 0.51 | 20 | 10.20 | |
|  Targetti, Andrea | | | 1639 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Seletsky, Grigory | f | | 2407 | UKR | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Cricca, Andrea | | | 1834 | ITA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Batoni, Fabrizio | | | 1899 | ITA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Godani, Tiziano | | | 2172 | ITA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Lasio, Millo | | | 1997 | ITA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Migliorini, Matteo | | | 2068 | ITA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Messina, Marco | | | 2088 | ITA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Bettazzi, Alessandro | | | 1847 | ITA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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