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Blitz:
Individual Calculations July 2023 |
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| Duong, Ngoc Nga Total change: 19.20 | |   |
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| Viet Nam Chess Club championship 2023 - Blitz Girls U8,10,12,14,16,18 | Ba Ria - Vung Tau | VIE | 2023-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1486 | 1225 | 1.00 | 3 | 0.24 | 40 | 9.60 | |
|  Tran, Duong Hoang Ngan | | | 1761 | VIE | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Tran, Ngoc Minh Khue | | | 1537 | VIE | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Pham, Nhu Y | | | 1160 | VIE | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | | | Chess Empire Blitz Open - June 2023 | Ho Chi Minh | VIE | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1225 | 1.00 | 6 | 0.24 | 40 | 9.60 | |
| | Aucante, Leo | | | 1732 | FID | 1.00 | 1 | 0.96 | 40 | 38.40 | |  Nguyen, Pham Minh Tri | | | 1591 | VIE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Hoang, Trung Phong | | | 1695 | VIE | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Phan, Nguyen Dang Kha | | | 1633 | VIE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nguyen, Huu Hoang Anh | | | 1875 | VIE | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Tran, Nguyen Ha Anh | | | 1242 | VIE | 0.00 | 1 | -0.48 | 40 | -19.20 | |
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) | | | | 21st ASEAN Age Group Chess Championships 2023 - Blitz - Girls 8 to 20 | Bangkok | THA | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1225 | 1.50 | 4 | 0.00 | 40 | 0.00 | |
| | Pham, Thien Thanh | | | 1009 | VIE | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Phan, Ngoc Bao Chau | | | 1656 | VIE | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Nguyen, Ngoc Thao Nguyen | | | 1141 | VIE | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Tran, Duong Hoang Ngan | | | 1761 | VIE | 0.00 | 1 | -0.03 | 40 | -1.20 | |
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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