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Individual Calculations November 2022 |
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| Psaila, Mario Total change: -15.40 | |   |
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| XYChess October Classic A 2022 | Gzira | MLT | 2022-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1720 | 3.50 | 6 | -0.11 | 20 | -2.20 | |
|  Bjornstad, Frode | | | 1320 * | NOR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Azzopardi, Ray | | | 1529 | MLT | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Benci, Rudolf | | | 1555 | SVK | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Kryvenko, Daryna | | | 1420 | UKR | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Varley, Peter | f | | 2185 | WLS | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Van Ginkel, Henk | | | 1850 | NED | 0.00 | 1 | -0.32 | 20 | -6.40 | | | * 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) | | | | WORLD AMATEUR CHESS CHAMPIONSHIPS U2000 2022 | Mellieha | MLT | 2022-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1720 | 2.50 | 8 | -0.66 | 20 | -13.20 | |
| | Davis, Lee | | | 1922 | WLS | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Messala, Jamal | | | 1965 | MAR | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Iclicki, Willy | f | | 1947 | LIE | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Grenier, Jean-Luc | | | 1753 | CAN | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Serrato, Rafael Antonio | | | 1691 | COL | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Richards, John | | | 1690 | MLT | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Caruana, George | | | 1696 | MLT | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Casas Ospina, Favio | | | 1757 | COL | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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