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Individual Calculations February 2023 |
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| Botvinnik, Roman Total change: -22.60 | |   |
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| Kfar Saba Championship for Veterans in Chess | Kfar Saba | ISR | 2022-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1446 | 2.00 | 7 | -1.13 | 20 | -22.60 | |
|  Kopelevitch, Eli | | | 1738 | ISR | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Siti, Eli | | | 1616 | ISR | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Kaplan, Amiram | | | 1779 | ISR | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Galant, Chaim | | | 1350 | ISR | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Toraty, Menahem | | | 1157 | ISR | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Roytman, Moshe | | | 1267 | ISR | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Dor, Avigdor | | | 1531 | ISR | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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