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Individual Calculations February 2023 |
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| Roytman, Moshe Total change: 1.60 | |   |
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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 |
| 1467 | 1267 | 2.00 | 7 | 0.08 | 20 | 1.60 | |
|  Gorelikov, Israel | | | 1580 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Dor, Avigdor | | | 1531 | ISR | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Galant, Chaim | | | 1350 | ISR | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Toraty, Menahem | | | 1157 | ISR | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Kopelevitch, Eli | | | 1738 | ISR | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Botvinnik, Roman | | | 1446 | ISR | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Shtern, Shmuel | | | 1470 | ISR | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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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