Harold Duvall #2018
Ratings History
| Effective Date | Rating | Rounds Used |
| 10-Jan-2023 | 950 | 8 |
| 13-Dec-2022 | 936 | 6 |
| 8-Nov-2022 | 940 | 5 |
| 9-Nov-2021 | 947 | 4 |
| 13-Jul-2021 | 907 | 4 |
| 11-May-2021 | 906 | 3 |
| 9-Mar-2021 | 906 | 3 |
| 14-Jul-2020 | 906 | 3 |
| 12-Nov-2019 | 898 | 2 |
| 16-Dec-2014 | 898 | 8 |
| 18-Nov-2014 | 900 | 8 |
| 24-Jun-2014 | 915 | 7 |
| 19-Nov-2013 | 903 | 5 |
| 13-Aug-2013 | 885 | 4 |
| 26-Mar-2013 | 912 | 2 |
| 13-Sep-2011 | 913 | 8 |
| 26-Oct-2010 | 909 | 7 |
| 31-Aug-2010 | 920 | 10 |
| 20-Oct-2009 | 928 | 8 |
| 1-Sep-2009 | 936 | 8 |
| 25-Nov-2008 | 935 | 9 |
| 13-Nov-2007 | 929 | 9 |
| 19-Dec-2006 | 928 | 10 |
| 18-Apr-2006 | 942 | 11 |
| 15-Dec-2005 | 950 | 9 |
| 15-Sep-2005 | 962 | 8 |
| 15-Jul-2005 | 959 | 8 |
| 15-May-2005 | 957 | 8 |
| 15-Dec-2004 | 945 | 12 |
| 15-Sep-2004 | 932 | 20 |
| 15-Feb-2004 | 932 | 20 |
| 15-Dec-2003 | 932 | 18 |
| 15-Mar-2003 | 936 | 20 |
| 31-Dec-2002 | 928 | 20 |
| 30-Sep-2002 | 929 | 20 |
| 28-Jul-2002 | 945 | 20 |
| 27-May-2002 | 945 | 22 |
| 16-Dec-2001 | 947 | 18 |
| 26-Aug-2001 | 932 | 20 |
| 1-Jul-2001 | 918 | 23 |
| 29-Apr-2001 | 917 | 22 |
| 27-Aug-2000 | 914 | 21 |
| 31-Oct-1999 | 913 | 19 |
| 29-Aug-1999 | 926 | 18 |
| 25-Apr-1999 | 924 | 16 |
| 8-Aug-1998 | 934 | 12 |
Player Rating Over Time