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Individual Calculations May 2017 |
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| Tortolini, Francesco Total change: -34.00 | |   |
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| World Amateur Championship - under 2000 | Spoleto | ITA | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 1905 | 2.50 | 6 | -1.70 | 20 | -34.00 | |
|  Todic, Simo | | | 1739 | ITA | 0.00 | 1 | -0.72 | 20 | -14.40 | |  Sabau, Ioan | | | 1774 | CAN | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Johnson, Frank Arthur Jr. | | | 1785 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Mirza, Gabriel | | | 1777 | IRL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Van Puyvelde, Stijn | | | 1783 | BEL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Vannelli, Vittorio | | | 1664 | ITA | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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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