Black, Catherine
ECF ratings
English rankings1689Standard
1651Rapid
—Blitz
ECF rating history
Published lists
| Date | Type | Scale | Original | Revised |
|---|---|---|---|---|
| 2026-10-01 | rapid | rating | 1651 | 1651 |
| 2026-10-01 | standard | rating | 1689 | 1689 |
| 2026-09-01 | rapid | rating | 1651 | 1651 |
| 2026-09-01 | standard | rating | 1677 | 1677 |
| 2026-08-01 | rapid | rating | 1651 | 1651 |
| 2026-08-01 | standard | rating | 1677 | 1677 |
| 2026-07-01 | rapid | rating | 1665 | 1665 |
| 2026-07-01 | standard | rating | 1677 | 1677 |
| 2026-06-01 | rapid | rating | 1665 | 1665 |
| 2026-06-01 | standard | rating | 1677 | 1677 |
| 2026-05-01 | rapid | rating | 1665 | 1665 |
| 2026-05-01 | standard | rating | 1677 | 1677 |
| 2026-04-01 | rapid | rating | 1665 | 1665 |
| 2026-04-01 | standard | rating | 1675 | 1664 |
| 2026-03-01 | rapid | rating | 1692 | 1692 |
| 2026-03-01 | standard | rating | 1669 | 1669 |
| 2026-02-01 | rapid | rating | 1692 | 1692 |
| 2026-02-01 | standard | rating | 1646 | 1646 |
| 2026-01-01 | rapid | rating | 1692 | 1692 |
| 2026-01-01 | standard | rating | 1655 | 1655 |
| 2025-12-01 | rapid | rating | 1692 | 1692 |
| 2025-12-01 | standard | rating | 1649 | 1650 |
| 2025-11-01 | rapid | rating | 1692 | 1692 |
| 2025-11-01 | standard | rating | 1676 | 1681 |
| 2025-10-01 | rapid | rating | 1692 | 1692 |
| 2025-10-01 | standard | rating | 1661 | 1670 |
| 2025-09-01 | rapid | rating | 1692 | 1692 |
| 2025-09-01 | standard | rating | 1661 | 1661 |
| 2025-08-01 | rapid | rating | 1692 | 1692 |
| 2025-08-01 | standard | rating | 1661 | 1661 |
| 2025-07-01 | rapid | rating | 1692 | 1692 |
| 2025-07-01 | standard | rating | 1661 | 1661 |
| 2025-06-01 | rapid | rating | 1692 | 1692 |
| 2025-06-01 | standard | rating | 1661 | 1661 |
| 2025-05-01 | rapid | rating | 1692 | 1692 |
| 2025-05-01 | standard | rating | 1665 | 1665 |
| 2025-04-01 | rapid | rating | 1795 | 1795 |
| 2025-04-01 | standard | rating | 1684 | 1684 |
| 2025-03-01 | rapid | rating | 1795 | 1795 |
| 2025-03-01 | standard | rating | 1678 | 1679 |
| 2025-02-01 | rapid | rating | 1795 | 1795 |
| 2025-02-01 | standard | rating | 1661 | 1672 |
| 2025-01-01 | rapid | rating | 1795 | 1795 |
| 2025-01-01 | standard | rating | 1651 | 1652 |
| 2024-12-01 | rapid | rating | 1795 | 1795 |
| 2024-12-01 | standard | rating | 1652 | 1652 |
| 2024-11-01 | rapid | rating | 1795 | 1795 |
| 2024-11-01 | standard | rating | 1715 | 1715 |
| 2024-10-01 | rapid | rating | 1795 | 1795 |
| 2024-10-01 | standard | rating | 1711 | 1711 |
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