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Individual Calculations January 2011 |
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| Altea, Alessandro Total change: -1.95 | |   |
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| OP Citta' di Marrubiu | Marrubiu | ITA | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 1789 | 2.00 | 5 | -0.48 | 25 | -12.00 | |
|  Messina, Giuseppe Ottavio | | | 2100 | ITA | 0.00 | 1 | -0.14 | 25 | -3.50 | |  Marano, Daniele | | | 1675 | ITA | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Sanna, Yuri | | | 1748 | ITA | 0.00 | 1 | -0.56 | 25 | -14.00 | | | Deruda, Leonardo | | | 1909 | ITA | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Di Pinto, Vincenzo | | | 1567 | ITA | 1.00 | 1 | 0.22 | 25 | 5.50 | |
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) | | | NOTE: K factor changed | | OP XIII Citta' di Sinnai | Sinnai | ITA | 2010-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1793 | 3.00 | 6 | 0.50 | 15 | 7.50 | |
| | Palmieri, Roberto | | | 1882 | ITA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Ibba, Isacco | | | 2193 * | ITA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Santilli, Enrico | | | 1975 | ITA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Carucci, Bruno | | | 1564 | ITA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Bulleri, Valentino | | | 1727 | ITA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Altea, Giovanni | | | 1867 | ITA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | * 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) | | | NOTE: K factor changed | | OP 32 Coppa Sassari | Sassari | ITA | 2010-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1793 | 3.00 | 6 | 0.17 | 15 | 2.55 | |
| | Caglio, Luigi | | | 2049 | ITA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Orani, Luigi Giuseppe | | | 1580 | ITA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Carta, Samuele | | | 1803 | ITA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Neri, Enzo | | | 2090 | ITA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Piga, Antonello | | | 1745 | ITA | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Favini, Giovanni | | | 1673 | ITA | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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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