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Individual Calculations February 2023 |
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| Kaplan, Amiram Total change: -12.40 | |   |
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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 |
| 1590 | 1779 | 4.50 | 7 | -0.54 | 20 | -10.80 | |
|  Toraty, Menahem | | | 1379 * | ISR | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Patt, Zafrir | | | 1779 | ISR | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Botvinnik, Roman | | | 1446 | ISR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Shtern, Shmuel | | | 1470 | ISR | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Gorelikov, Israel | | | 1580 | ISR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Kopelevitch, Eli | | | 1738 | ISR | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Paz, Arnon | | | 1738 | ISR | 0.50 | 1 | -0.06 | 20 | -1.20 | | | * 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) | | | | League Alef Sharon 2023 1-2 | Israel | ISR | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 1779 | 0.00 | 1 | -0.08 | 20 | -1.60 | |
| | Kaldor, Avraham | m | | 2174 | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | |
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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