A complete record of competitive matches played between the two teams
| Chelsea (47) | Derby County (50) | |||||
|---|---|---|---|---|---|---|
| Results | Total | % | Results | Total | % | |
| Chelsea | 21 | 9.87 | Derby County | 24 | 12 | |
| Derby County | 11 | 5.17 | Chelsea | 16 | 8 | |
| Draws | 15 | 7.05 | Draws | 10 | 4.7 | |
| Goals | Total | Av.pg | Goals | Total | Av.pg | |
| Chelsea | 79 | 1.68 | Derby County | 86 | 1.72 | |
| Derby County | 54 | 1.15 | Chelsea | 66 | 1.32 | |
| Records | |||||
|---|---|---|---|---|---|
| Highest Aggregate | 10 | Derby County | 4 - 6 | Chelsea | 1990/1991 |
| Highest Chelsea score: | 6 | Derby County | 6 - 2 | Chelsea | 1930/1931 |
| Highest Derby County score: | 3 | Derby County | 3 - 1 | Chelsea | 1932/1933 |
| Season | Date | Home | Score | Away | Competition |
|---|---|---|---|---|---|
| 1910/1911 | Sat 01 Aug | Chelsea | 3 - 2 | Derby County | League |
| 1911/1912 | Sat 01 Aug | Chelsea | 1 - 0 | Derby County | League |
| 1912/1913 | Sat 01 Aug | Chelsea | 3 - 1 | Derby County | League |
| 1913/1914 | Sat 01 Aug | Chelsea | 2 - 1 | Derby County | League |
| 1919/1920 | Sat 01 Aug | Chelsea | 0 - 0 | Derby County | League |
| 1920/1921 | Sat 01 Aug | Chelsea | 1 - 1 | Derby County | League |
| 1924/1925 | Sat 01 Aug | Chelsea | 1 - 1 | Derby County | League |
| 1925/1926 | Sat 01 Aug | Chelsea | 2 - 1 | Derby County | League |
| 1930/1931 | Sat 01 Aug | Chelsea | 1 - 1 | Derby County | League |
| 1931/1932 | Sat 01 Aug | Chelsea | 2 - 1 | Derby County | League |
| 1932/1933 | Sat 01 Aug | Chelsea | 1 - 3 | Derby County | League |
| 1933/1934 | Sat 01 Aug | Chelsea | 0 - 2 | Derby County | League |
| 1934/1935 | Sat 01 Aug | Chelsea | 1 - 1 | Derby County | League |
| 1935/1936 | Sat 01 Aug | Chelsea | 1 - 1 | Derby County | League |
| 1936/1937 | Sat 01 Aug | Chelsea | 1 - 1 | Derby County | League |
| 1934/1935 | Sat 01 Aug | Derby County | 3 - 0 | Chelsea | League |
| 1936/1937 | Sat 01 Aug | Derby County | 1 - 1 | Chelsea | League |
| 1910/1911 | Sat 01 Aug | Derby County | 1 - 4 | Chelsea | League |
| 1935/1936 | Sat 01 Aug | Derby County | 1 - 1 | Chelsea | League |
| 1912/1913 | Sat 01 Aug | Derby County | 3 - 1 | Chelsea | League |
| 1913/1914 | Sat 01 Aug | Derby County | 0 - 1 | Chelsea | League |
| 1911/1912 | Sat 01 Aug | Derby County | 2 - 0 | Chelsea | League |
| 1919/1920 | Sat 01 Aug | Derby County | 5 - 0 | Chelsea | League |
| 1920/1921 | Sat 01 Aug | Derby County | 0 - 0 | Chelsea | League |
| 1924/1925 | Sat 01 Aug | Derby County | 1 - 0 | Chelsea | League |
| 1925/1926 | Sat 01 Aug | Derby County | 4 - 2 | Chelsea | League |
| 1930/1931 | Sat 01 Aug | Derby County | 6 - 2 | Chelsea | League |
| 1931/1932 | Sat 01 Aug | Derby County | 1 - 0 | Chelsea | League |
| 1932/1933 | Sat 01 Aug | Derby County | 0 - 1 | Chelsea | League |
| 1933/1934 | Sat 01 Aug | Derby County | 1 - 0 | Chelsea | League |
| 2014/2015 | Tue 16 Dec | Derby County | 1 - 3 | Chelsea | League Cup |
| 2013/2014 | Sun 05 Jan | Derby County | 0 - 2 | Chelsea | F.A. Cup |
| 2007/2008 | Wed 12 Mar | Chelsea | 6 - 1 | Derby County | League |
| Sat 24 Nov | Derby County | 0 - 2 | Chelsea | League | |
| 2001/2002 | Sat 30 Mar | Chelsea | 2 - 1 | Derby County | League |
| Sun 28 Oct | Derby County | 1 - 1 | Chelsea | League | |
| 2000/2001 | Sat 07 Apr | Derby County | 0 - 4 | Chelsea | League |
| Sat 09 Dec | Chelsea | 4 - 1 | Derby County | League | |
| 1999/2000 | Sun 14 May | Chelsea | 4 - 0 | Derby County | League |
| Sat 30 Oct | Derby County | 3 - 1 | Chelsea | League | |
| 1998/1999 | Sun 16 May | Chelsea | 2 - 1 | Derby County | League |
| Sat 12 Dec | Derby County | 2 - 2 | Chelsea | League | |
| 1997/1998 | Sun 05 Apr | Derby County | 0 - 1 | Chelsea | League |
| Sat 29 Nov | Chelsea | 4 - 0 | Derby County | League | |
| 1996/1997 | Sat 01 Mar | Derby County | 3 - 2 | Chelsea | League |
| Sat 18 Jan | Chelsea | 3 - 1 | Derby County | League | |
| 1990/1991 | Sat 15 Dec | Derby County | 4 - 6 | Chelsea | League |
| Sat 25 Aug | Chelsea | 2 - 1 | Derby County | League | |
| 1989/1990 | Sat 31 Mar | Chelsea | 1 - 1 | Derby County | League |
| Sat 21 Oct | Derby County | 0 - 1 | Chelsea | League | |
| 1987/1988 | Sat 09 Apr | Chelsea | 1 - 0 | Derby County | League |
| Sat 09 Jan | Derby County | 1 - 3 | Chelsea | F.A. Cup | |
| Sun 22 Nov | Derby County | 2 - 0 | Chelsea | League | |
| 1983/1984 | Sat 14 Jan | Derby County | 1 - 2 | Chelsea | League |
| Sat 27 Aug | Chelsea | 5 - 0 | Derby County | League | |
| 1982/1983 | Sat 05 Feb | Chelsea | 1 - 3 | Derby County | League |
| Wed 08 Sep | Derby County | 1 - 0 | Chelsea | League | |
| 1981/1982 | Sat 24 Apr | Chelsea | 0 - 2 | Derby County | League |
| Sat 28 Nov | Derby County | 1 - 1 | Chelsea | League | |
| 1980/1981 | Wed 12 Nov | Chelsea | 1 - 3 | Derby County | League |
| Wed 20 Aug | Derby County | 3 - 2 | Chelsea | League | |
| 1978/1979 | Wed 04 Apr | Chelsea | 1 - 1 | Derby County | League |
| Sat 07 Oct | Derby County | 1 - 0 | Chelsea | League | |
| 1977/1978 | Sat 11 Mar | Derby County | 1 - 1 | Chelsea | League |
| Sat 10 Sep | Chelsea | 1 - 1 | Derby County | League | |
| 1974/1975 | Sat 08 Mar | Chelsea | 1 - 2 | Derby County | League |
| Wed 25 Sep | Derby County | 4 - 1 | Chelsea | League | |
| 1973/1974 | Sat 19 Jan | Chelsea | 1 - 1 | Derby County | League |
| Sat 25 Aug | Derby County | 1 - 0 | Chelsea | League | |
| 1972/1973 | Sat 30 Dec | Chelsea | 1 - 1 | Derby County | League |
| Sat 19 Aug | Derby County | 1 - 2 | Chelsea | League | |
| 1971/1972 | Sat 01 Jan | Derby County | 1 - 0 | Chelsea | League |
| Sat 18 Sep | Chelsea | 1 - 1 | Derby County | League | |
| 1970/1971 | Sat 17 Oct | Derby County | 1 - 2 | Chelsea | League |
| Sat 15 Aug | Chelsea | 2 - 1 | Derby County | League | |
| 1969/1970 | Wed 11 Feb | Derby County | 2 - 2 | Chelsea | League |
| Sat 11 Oct | Chelsea | 2 - 2 | Derby County | League | |
| 1962/1963 | Wed 27 Mar | Chelsea | 3 - 1 | Derby County | League |
| Sat 27 Oct | Derby County | 1 - 3 | Chelsea | League | |
| 1952/1953 | Wed 03 Sep | Derby County | 3 - 2 | Chelsea | League |
| Wed 27 Aug | Chelsea | 1 - 1 | Derby County | League | |
| 1951/1952 | Sat 03 May | Derby County | 1 - 1 | Chelsea | League |
| Wed 05 Sep | Chelsea | 0 - 1 | Derby County | League | |
| 1950/1951 | Sat 14 Apr | Derby County | 1 - 0 | Chelsea | League |
| Sat 25 Nov | Chelsea | 1 - 2 | Derby County | League | |
| 1949/1950 | Sat 24 Dec | Derby County | 2 - 2 | Chelsea | League |
| Sat 27 Aug | Chelsea | 1 - 2 | Derby County | League | |
| 1948/1949 | Sat 16 Apr | Chelsea | 0 - 3 | Derby County | League |
| Sat 23 Oct | Derby County | 2 - 1 | Chelsea | League | |
| 1947/1948 | Sat 03 Jan | Derby County | 5 - 1 | Chelsea | League |
| Sat 30 Aug | Chelsea | 1 - 0 | Derby County | League | |
| 1946/1947 | Sat 05 Apr | Chelsea | 3 - 0 | Derby County | League |
| Sat 30 Nov | Derby County | 3 - 1 | Chelsea | League | |
| 1938/1939 | Wed 08 Mar | Derby County | 0 - 1 | Chelsea | League |
| Sat 29 Oct | Chelsea | 0 - 2 | Derby County | League | |
| 1937/1938 | Sat 23 Apr | Chelsea | 3 - 0 | Derby County | League |
| Sat 11 Dec | Derby County | 4 - 0 | Chelsea | League |