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Individual Calculations February 2023 |
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| Yang, Lefan Total change: 197.20 | |   |
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| 32nd annual North American Open - U2100 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1366 | 4.50 | 6 | 3.80 | 40 | 152.00 | |
|  Wang, Jacob S | | | 1536 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | |  He, Samuel | | | 1660 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Daniels, Noah Montgomery | | | 1775 | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Raymond, Nirvan | | | 1701 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Coffman, Charles Z | | | 1809 | USA | 1.00 | 1 | 0.94 | 40 | 37.60 | | | Tsogtsaikhan, Saikhanchimeg | | | 1986 | MGL | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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) | | | | 2023 Excelsior January Open | Toronto | CAN | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1488 | 1.50 | 4 | 1.13 | 40 | 45.20 | |
| | Munro, Allan | f | | 1974 | TTO | 0.50 | 1 | 0.46 | 40 | 18.40 | | | Sanchez, Victor | f | | 2225 | COL | 0.50 | 1 | 0.50 | 40 | 20.00 | | | Rusonik, Max | c | | 2112 | CAN | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Laughlin, Braden | | | 1623 | CAN | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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