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Individual Calculations February 2023 |
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| Siti, Eli Total change: -10.80 | |   |
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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 |
| 1537 | 1616 | 4.00 | 7 | -0.12 | 20 | -2.40 | |
|  Shtern, Shmuel | | | 1470 | ISR | 0.00 | 1 | -0.70 | 20 | -14.00 | |  Botvinnik, Roman | | | 1446 | ISR | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Toraty, Menahem | | | 1216 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gorelikov, Israel | | | 1580 | ISR | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Schwarz, Harry | | | 1750 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Cohen, Ofer | | | 1557 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Kopelevitch, Eli | | | 1738 | ISR | 0.50 | 1 | 0.17 | 20 | 3.40 | | | * 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) | | | | League Bet Sharon 2023 1-2 | Israel | ISR | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1216 | 1616 | 0.50 | 1 | -0.42 | 20 | -8.40 | |
| | Shoham, Itamar | | | 1216 * | ISR | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | |
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