MESON Chess Problem Database
Problem Display
PID: 14755 (2N1rb2/npR2R1b/7q/2pp3r/P1kB2N1/2Ppp1QP/2P1B1pP/6K1 w - - 0 1)
Anderson, Gerald Frank
Eaton, Vincent Lanius
1st Prize, BCF 078. Ty., 1954-1955
#3
13 + 13
| 268 | Chess Life | 1955 |
| 4872 | Themes-64 | 1956 |
| 3105 | FIDE Album (1945-1955) | 1964 |
| 5383 | A Tribute to G F Anderson | 1974 |
| 4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
| 56 | The Problemist | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qf4
- 2.Sb6#
- 1...Qg5
- 2.Sb6#
- 1...Qg7
- 2.Sb6#
- 1...Qa6
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Se7
- 1...Qb6
- 2.Sxb6#
- 1...Qd6
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Sxd6#
- 2...Qxg3
- 3.Sb6#
- 3.Rxc5#
- 2...Qxe7
- 3.Sb6#
- 2...Qf4
- 3.Sb6#
- 3.Rxc5#
- 2...Qe5
- 3.Sb6#
- 3.Rxc5#
- 2...Qe6
- 3.Rxc5#
- 2...Qh6
- 3.Rxc5#
- threat
- 2.Qxd6
- threat
- 3.Sb6#
- 3.Rxc5#
- 2...Rxc8
- 3.Sxe3#
- 2...b6
- 3.Sxb6#
- threat
- 2.Rfe7
- 1...Qg6
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Bxd3+
- 2...Qxd3
- 3.Sb6#
- 2...Qxd3
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Se7
- 1...Rxh3
- 2.Rfe7
- threat
- 3.Se5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxe3#
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Rfe7
- 1...Rh4
- 2.Rfe7
- threat
- 3.Se5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxe3#
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Rfe7
- 1...Rhe5
- 2.Rfe7
- threat
- 3.Sxe5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Rfe7
- 1...Rf5
- 2.Bxd3#
- 1...Rg5
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Se7
- 1...Re4
- 2.Bxd3#
- 1...Ree5
- 2.Rf5
- threat
- 3.Sxe5#
- 3.Bxd3#
- threat
- 2.Rf5
- 1...Re6
- 2.Qd6
- threat
- 3.Sb6#
- 3.Rxc5#
- 2...b6
- 3.Sxb6#
- threat
- 2.Qd6
- 1...Re7
- 2.Rxc5#
- 1...Rxc8
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Rf5
- 1...Rd8
- 2.Sb6+
- 2...Qxb6
- 3.Sxe3#
- 2...Qxb6
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Sb6+
- 1...Be4
- 2.Sb6+
- 2...Qxb6
- 3.Sxe3#
- 2...Qxb6
- 2.Sb6+
- 1...Bf5
- 2.Rfe7
- threat
- 3.Se5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxe3#
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Rfe7
- 1...Bg6
- 2.Sb6#
- 1...Bg8
- 2.Bxd3#
- 1...Bd6
- 2.Sb6#
- 1...Be7
- 2.Sb6+
- 2...Qxb6
- 3.Sxe3#
- 2...Qxb6
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Sb6+
- 1...Bg7
- 2.Rxc5#
- 1...Sc6
- 2.Sb6#
- 1...Qf4
- Tries
- 1.Se7?
- threat
- 2.Rxc5#
- 1...Bxe7
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Rf5
- 1...Rc8
- 2.Sf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Sf5
- 1...b6
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Rf5
- 1...Sc6!
- threat
- 1.Rfe7?
- threat
- 2.Rxc5#
- 1...Bxe7
- 2.Sb6+
- 2...Qxb6
- 3.Sxe3#
- 2...Qxb6
- 2.Sb6+
- 1...b6
- 2.Sxb6+
- 2...Qxb6
- 3.Sxe3#
- 2...Qxb6
- 2.Sd6+
- 2...Qxd6
- 3.Sxe3#
- 2...Qxd6
- 2.Sxb6+
- 1...Rxc8!
- threat
- 1.Rxh7?
- threat
- 2.Bxd3#
- 1...Qg6
- 2.Sb6+
- 2...Qxb6
- 3.Bxd3#
- 2...Qxb6
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Bxd3+
- 2...Qxd3
- 3.Sb6#
- 2...Qxd3
- 2.Rhe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Qd6
- threat
- 3.Sb6#
- 3.Rxc5#
- 2...Qxd6
- 3.Bxd3#
- 2...Rxc8
- 3.Sxe3#
- 2...b6
- 3.Sxb6#
- threat
- 2.Sb6+
- 1...dxe2!
- threat
- 1.Rxf8?
- threat
- 2.Rxc5#
- 1...Rxc8
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Rf5
- 1...Qc6
- 2.Rxc6
- threat
- 3.Sb6#
- 3.Sd6#
- 3.Rxc5#
- 2...Rxc8
- 3.Sxe3#
- threat
- 2.Rxc6
- 1...b6!
- threat
- 1.Qf4?
- threat
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Be5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bf6+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bg7+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bh8+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Se7
- 1...Rxh3
- 2.Be5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bf6+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bg7+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Bxd3#
- 2...Be4
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bh8+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Bxd3#
- 2...Be4
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Rfe7
- threat
- 3.Se5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Be5+
- 1...Sxc8
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Rfe7
- 1...dxe2
- 2.Be5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bf6+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 3.Sb6#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bg7+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 2...Be4
- 3.Sxe3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bh8+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 2...Be4
- 3.Sxe3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Be5+
- 1...Qa6
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Be5+
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Be4
- 2.Bf6+
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Re4
- 2.Bg7+
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Re4
- 2.Bh8+
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Re4
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Qe4
- threat
- 3.Sxe3#
- 3.Bxd3#
- threat
- 2.Se7
- 1...Qc6
- 2.Qe4
- threat
- 3.Sxe3#
- 3.Bxd3#
- 2...cxd4
- 3.Qxd4#
- threat
- 2.Qe4
- 1...Qd6
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Sxd6#
- 2...Qxf4
- 3.Sb6#
- 3.Rxc5#
- 2...Qxe7
- 3.Sb6#
- 2...Qe5
- 3.Sb6#
- 3.Rxc5#
- 2...Qe6
- 3.Rxc5#
- threat
- 2.Qxd6
- threat
- 3.Sb6#
- 3.Rxc5#
- 2...Rxc8
- 3.Sxe3#
- 2...b6
- 3.Sxb6#
- threat
- 2.Rfe7
- 1...Qe6
- 2.Be5+
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Be4
- 2.Bf6+
- 2...Qe4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qe4
- 2.Bg7+
- 2...Qe4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qe4
- 2.Bh8+
- 2...Qe4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qe4
- 2.Qe4
- threat
- 3.Sxe3#
- 3.Bxd3#
- 2...Qxe4
- 3.Sb6#
- threat
- 2.Be5+
- 1...Qf6
- 2.Be5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bxf6+
- 2...Re4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Re4
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- 2...Qxd4
- 3.Qxd4#
- 2...Qxe7
- 3.Sb6#
- threat
- 2.Be5+
- 1...Qg6
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Bxd3+
- 2...Qxd3
- 3.Sb6#
- 2...Qxd3
- 2.Be5+
- 2...Qe4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qe4
- 2.Bf6+
- 2...Qe4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Re4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qe4
- 2.Bg7+
- 2...Qe4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qe4
- 2.Bh8+
- 2...Qe4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qe4
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Qe4
- threat
- 3.Sxe3#
- 3.Bxd3#
- 2...Qxe4
- 3.Sb6#
- threat
- 2.Se7
- 1...Rh4
- 2.Se7
- threat
- 3.Sxe3#
- 3.Se5#
- 3.Rxc5#
- threat
- 2.Be5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bf6+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bg7+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bh8+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Se5#
- 3.Rxc5#
- threat
- 2.Se7
- 1...Rhe5
- 2.Bxe5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Rfe7
- threat
- 3.Sxe5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Bxe5+
- 1...Rg5
- 2.Se7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Be5+
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Be4
- 2.Bf6+
- 2...Re4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Re4
- 2.Bg7+
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Re4
- 2.Bh8+
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Re4
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Rxc5#
- threat
- 2.Qe4
- threat
- 3.Sxe3#
- 3.Bxd3#
- threat
- 2.Se7
- 1...Ree5
- 2.Bxe5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Rf5
- threat
- 3.Sxe5#
- 3.Bxd3#
- threat
- 2.Qf5
- threat
- 3.Sxe5#
- 3.Bxd3#
- threat
- 2.Bxe5+
- 1...Re6
- 2.Sb6+
- 2...Rxb6
- 3.Sxe3#
- 2...Rxb6
- 2.Qd6
- threat
- 3.Sb6#
- 3.Rxc5#
- 2...b6
- 3.Sxb6#
- threat
- 2.Sb6+
- 1...Bf5
- 2.Se7
- threat
- 3.Sxe3#
- 3.Se5#
- 3.Rxc5#
- threat
- 2.Be5+
- 2...Qxf4
- 3.Sb6#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bf6+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Sb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bg7+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bh8+
- 2...Qxf4
- 3.Sb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Rfe7
- threat
- 3.Sxe3#
- 3.Se5#
- 3.Rxc5#
- threat
- 2.Qxf5
- threat
- 3.Bxd3#
- 3.Qxd3#
- 2...dxe2
- 3.Qd3#
- threat
- 2.Se7
- 1...b6
- 2.Be5+
- 2...Qxf4
- 3.Sxb6#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bf6+
- 2...Qxf4
- 3.Sxb6#
- 2...Re4
- 3.Sxe3#
- 3.Sxb6#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Sxb6#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bg7+
- 2...Qxf4
- 3.Sxb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Bh8+
- 2...Qxf4
- 3.Sxb6#
- 2...Re4
- 3.Sxe3#
- 3.Bxd3#
- 2...Be4
- 3.Sxe3#
- 3.Bxd3#
- 2...d4
- 3.Qxd4#
- 2...Qxf4
- 2.Be5+
- 1...Sb5!
- threat
- 1.Qd6?
- threat
- 2.Sb6#
- 2.Rxc5#
- 1...Rxc8
- 2.Rf5
- threat
- 3.Se5#
- 3.Bxd3#
- 3.Qxd5#
- threat
- 2.Qb6
- threat
- 3.Qb3#
- 3.Qb4#
- 2...Qxb6
- 3.Sxe3#
- 2...Sb5
- 3.Qxb5#
- threat
- 2.Rf5
- 1...Qxd6!
- threat
- 1.Se7?
- Keys
- 1.Qe5!
- threat
- 2.Sb6+
- 2...Qxb6
- 3.Sxe3#
- 2...Qxb6
- 2.Sb6+
- 1...Rxh3
- 2.Qe7
- threat
- 3.Se5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Qe7
- 1...Rhxe5
- 2.Rfe7
- threat
- 3.Sxe5#
- 3.Rxc5#
- 2...Qd6
- 3.Sxd6#
- 2...Sc6
- 3.Sb6#
- threat
- 2.Rfe7
- 1...Rexe5
- 2.Rf5
- threat
- 3.Sxe5#
- 3.Bxd3#
- threat
- 2.Rf5
- 1...Rxc8
- 2.Qf5
- threat
- 3.Se5#
- 3.Bxd3#
- threat
- 2.Qf5
- 1...Sxc8
- 2.Bxc5
- threat
- 3.Bd6#
- 3.Qd4#
- threat
- 2.Bxc5
- 1...Re6
- 2.Qd6
- threat
- 3.Sb6#
- 3.Rxc5#
- 2...b6
- 3.Sxb6#
- threat
- 2.Qd6
- 1...b6
- 2.Sxb6+
- 2...Qxb6
- 3.Sxe3#
- 2...Qxb6
- 2.Sxb6+
- threat
- 1.Qe5!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).