MESON Chess Problem Database
Problem Display
PID: 271865 (K3R3/b6P/3p4/P2k2B1/Q1Np2Pr/1np1pP2/p2P4/r2R4 w - - 0 1)
Makaronets, Leonid
Sachmatija, 2023
#3
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Sa3
- threat
- 3.Qb5#
- 3.Qc4#
- 2...Kd5
- 3.Qc4#
- 2...d5
- 3.Be7#
- threat
- 2.Sa3
- 1...Bc5
- 2.Sxe3+
- 2...dxe3
- 3.Qe4#
- 2...dxe3
- 2.Sxe3+
- 1...Bb6
- 2.Sxb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Sc5
- 3.Sxb6#
- 2...Bc5
- 2.Sxb6+
- 1...Bb8
- 2.Sb6+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Sc5
- 3.Sb6#
- 2...Sc5
- 2.Sb6+
- 1...Sc1
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...Sxd2
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...Sxa5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...Kc5
- Tries
- 1.Sxe3+?
- 1...Kc5
- 2.Rc8#
- 2.Qc4#
- 1...dxe3!
- 1...Kc5
- 1.Se5?
- threat
- 2.Qc6#
- 2.Qc4#
- 1...dxe5
- 2.Rd8+
- 2...Kc5
- 3.Be7#
- 2...Ke6
- 3.Qxb3#
- 3.Qd7#
- 3.Qe8#
- 3.Qc4#
- 2...Kc5
- 2.Rd8+
- 1...Sxa5!
- threat
- 1.Sb6+?
- 1...Kc5
- 2.Rc8#
- 2.Qc4#
- 1...Bxb6!
- 1...Kc5
- 1.Qxb3?
- threat
- 2.Se5+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc6
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Se5+
- 1...Kc6
- 2.Qb7+
- 2...Kc5
- 3.Rc8#
- 2...Kc5
- 2.Qb7+
- 1...Rxh7
- 2.Se5+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Qc4#
- 2...Kc6
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Se5+
- 1...d3
- 2.Se5+
- 2...Kd4
- 3.Bxe3#
- 3.Qc4#
- 2...Kc5
- 3.Bxe3#
- 3.Qc4#
- 2...Kd4
- 2.Sb6+
- 2...Kd4
- 3.Bxe3#
- 3.Qc4#
- 3.Qd5#
- 3.Qxc3#
- 3.Qb4#
- 2...Kc5
- 3.Qc4#
- 2...Kc6
- 3.Rc8#
- 3.Qc4#
- 2...Kd4
- 2.Se5+
- 1...Rb1
- 2.Sb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc6
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 1...Bb6
- 2.Se5+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Sxb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc6
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Se5+
- 1...Kc5!
- threat
- 1.Qb5+?
- 1...Bc5
- 2.Sb6#
- 1...Sc5!
- 1...Bc5
- 1.dxc3?
- threat
- 2.Sxe3+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 2...Sc5
- 3.Sxe3#
- 3.Rxd4#
- 2...Bc5
- 2.Sxe3+
- 1...Kc5
- 2.Sa3
- threat
- 3.Qb5#
- 3.Qc4#
- 2...Kd5
- 3.Qc4#
- 2...d5
- 3.Be7#
- threat
- 2.Sa3
- 1...Rxg4
- 2.Sxe3+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 2...Sc5
- 3.Sxe3#
- 2...Bc5
- 2.Sxe3+
- 1...Rxh7
- 2.Sxe3+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 2...Sc5
- 3.Sxe3#
- 3.Rxd4#
- 2...Bc5
- 2.Sxe3+
- 1...Sxa5
- 2.Sxa5
- threat
- 3.Qc6#
- 3.Qc4#
- 2...Kc5
- 3.Qc6#
- threat
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 3.Rxd4#
- 2...Bc5
- 2.Sxa5
- 1...Bb6
- 2.Sxe3+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Sxb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 2...Sc5
- 3.Sxe3#
- 3.Sxb6#
- 3.Rxd4#
- 2...Bc5
- 2.Sxe3+
- 1...Bb8
- 2.Sb2
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qc4#
- 2...Sxa5
- 3.Qb5#
- 2...Sd2
- 3.Qb5#
- 2...Sc5
- 3.Rxd4#
- 3.c4#
- threat
- 2.Sa3
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qb5#
- 3.Qc4#
- 2...Sxa5
- 3.Qb5#
- 2...Sd2
- 3.Qb5#
- 2...Sc5
- 3.Rxd4#
- 3.c4#
- threat
- 2.Sxe3+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Sc5
- 3.Sxe3#
- 3.Sb6#
- 3.Rxd4#
- 2...Sc5
- 2.cxd4
- threat
- 3.Sxe3#
- 3.Sb6#
- 2...Sxd4
- 3.Qb5#
- threat
- 2.Sb2
- 1...Sc1
- 2.Sb2
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qc4#
- 2...Bc5
- 3.c4#
- threat
- 2.Sa3
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qb5#
- 3.Qc4#
- 2...Bc5
- 3.c4#
- threat
- 2.Sxe3+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 3.cxd4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 3.Rxd4#
- 2...Bc5
- 2.cxd4
- threat
- 3.Sxe3#
- 2...Bxd4
- 3.Qb5#
- 2...e2
- 3.Se3#
- threat
- 2.Sb2
- 1...Sd2
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...e2
- 2.Se3+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Se3#
- 3.Sb6#
- 2...Sc5
- 3.Se3#
- 3.Rxd4#
- 2...Bc5
- 2.Se3+
- 1...d3
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 2...Sc5
- 3.Sxe3#
- 3.Rxd3#
- 2...Bc5
- 2.Qb5+
- 1...Rxd1!
- threat
- 1.dxe3?
- threat
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.e4#
- 2...Sc5
- 3.Rxd4#
- 3.e4#
- 2...Bc5
- 2.e4+
- 2...Kc5
- 3.Rc8#
- 2...Kc5
- 2.Qb5+
- 1...Kc5
- 2.Sa3
- threat
- 3.Qb5#
- 3.Qc4#
- 2...Kd5
- 3.Qc4#
- 2...d5
- 3.Be7#
- threat
- 2.Sa3
- 1...Rxd1
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.e4#
- 2...Sc5
- 3.e4#
- 2...Bc5
- 2.e4+
- 2...Kc5
- 3.Rc8#
- 2...Kc5
- 2.Qb5+
- 1...Rxh7
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.e4#
- 2...Sc5
- 3.Rxd4#
- 3.e4#
- 2...Bc5
- 2.Qb5+
- 1...Sxa5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Rxd4#
- 3.e4#
- 2...Bc5
- 2.Qb5+
- 1...Bb6
- 2.Sxb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.e4#
- 2...Sc5
- 3.Sxb6#
- 3.Rxd4#
- 3.e4#
- 2...Bc5
- 2.Sxb6+
- 1...Bb8
- 2.Sa3
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qb5#
- 3.Qc4#
- 2...Sxa5
- 3.Qb5#
- 2...Sd2
- 3.Qb5#
- 2...Sc5
- 3.Rxd4#
- threat
- 2.Sb6+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Sc5
- 3.Sb6#
- 3.Rxd4#
- 3.e4#
- 2...Sc5
- 2.exd4
- threat
- 3.Se3#
- 3.Sb6#
- 2...Sxd4
- 3.Qb5#
- threat
- 2.Sa3
- 1...Sc1
- 2.Sa3
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qb5#
- 3.Qc4#
- 2...Bc5
- 3.e4#
- threat
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Rxd4#
- 3.e4#
- 2...Bc5
- 2.exd4
- threat
- 3.Se3#
- 2...Bxd4
- 3.Qb5#
- threat
- 2.e4+
- 2...Kc5
- 3.Rc8#
- 2...Kc5
- 2.Sa3
- 1...Sd2
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...d3
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Sc5
- 3.Rxd3#
- 2...Bc5
- 2.Qb5+
- 1...Rxg4!
- threat
- 1.d3?
- threat
- 2.Sxe3+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Bxb6
- 3.Qc4#
- 2...Kc5
- 2.Sxe3+
- 1...Kc5
- 2.Sa3
- threat
- 3.Qb5#
- 3.Qc4#
- 2...Kd5
- 3.Qc4#
- 2...d5
- 3.Be7#
- threat
- 2.Sa3
- 1...Rxg4
- 2.Sb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Bxb6
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 1...Rxh7
- 2.Sxe3+
- 2...Kc5
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Qc4#
- 2...Bxb6
- 3.Qc4#
- 2...Kc5
- 2.Sxe3+
- 1...Sxa5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...Bc5
- 2.Sxe3+
- 2...dxe3
- 3.Qe4#
- 2...dxe3
- 2.Sb6+
- 2...Bxb6
- 3.Qc4#
- 2...Bxb6
- 2.Qb5
- threat
- 3.Sb6#
- 3.Qb7#
- threat
- 2.Qd7
- threat
- 3.Re5#
- 3.Qb7#
- threat
- 2.Sxe3+
- 1...Bb6
- 2.Sxe3+
- 2...Kc5
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Sxb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Qb7#
- 2...Sc5
- 3.Sxb6#
- 2...Bc5
- 2.Sxe3+
- 1...Bb8
- 2.Sxe3+
- 2...Kc5
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Sc5
- 3.Sb6#
- 2...Sc5
- 2.Sxe3+
- 1...Sd2
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Qb7#
- 2...Bc5
- 2.Qb5+
- 1...e2
- 2.Se3+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Bxb6
- 3.Qc4#
- 2...Kc5
- 2.Se3+
- 1...Sc5!
- threat
- 1.h8Q?
- threat
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Qg8#
- 2...Sc5
- 3.Qg8#
- 2...Bc5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Qf6
- threat
- 3.Qf5#
- 3.Qxd6#
- 2...Kc5
- 3.Qxd6#
- threat
- 2.Qf8
- threat
- 3.Qxd6#
- 3.Qf5#
- 2...Kc5
- 3.Re5#
- 3.Qxd6#
- threat
- 2.Qg8+
- 2...Kc5
- 3.Rc8#
- 2...Kc5
- 2.Re5+
- 1...Kc5
- 2.Sa3
- threat
- 3.Qb5#
- 3.Qc4#
- 2...Kd5
- 3.Qc4#
- 2...d5
- 3.Be7#
- 3.Qf8#
- threat
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...d5
- 3.Be7#
- 3.Qc8#
- 3.Qf8#
- 2...dxe5
- 2.Rc8+
- 2...Kd5
- 3.Qg8#
- 2...Kd5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...d5
- 3.Be7#
- 3.Rc8#
- 3.Qd6#
- 3.Qc7#
- 3.Qe7#
- 2...dxe5
- 2.Qf8
- threat
- 3.Re5#
- 3.Qxd6#
- 2...Kd5
- 3.Qxd6#
- 3.Qf5#
- threat
- 2.Sa3
- 1...Sxd2
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Qg8#
- 2...Bc5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Qg8+
- 2...Kc5
- 3.Rc8#
- 2...Kc5
- 2.Re5+
- 1...Sxa5
- 2.Sxa5
- threat
- 3.Qc6#
- 3.Qc4#
- 2...Kc5
- 3.Qhxd4#
- threat
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Qg8#
- 2...Bc5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Sxa5
- 1...Sc5
- 2.Sxe3+
- 2...dxe3
- 3.Qhd4#
- 2...dxe3
- 2.Sb6+
- 2...Bxb6
- 3.Qhxd4#
- 2...Bxb6
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qxd4+
- 2...Kxd4
- 3.dxe3#
- 2...Kxd4
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Sxe3+
- 1...Rh6
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Re5+
- 1...Rh7
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Qf6
- threat
- 3.Qf5#
- 3.Qxd6#
- 2...Kc5
- 3.Qxd6#
- threat
- 2.Re5+
- 1...Bb6
- 2.Sxb6+
- 2...Kc5
- 3.Rc8#
- 3.Qc4#
- 2...Kc5
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Qg8#
- 2...Sc5
- 3.Sxb6#
- 3.Qg8#
- 2...Bc5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Qf6
- threat
- 3.Qf5#
- 3.Qxd6#
- 2...Kc5
- 3.Qxd6#
- threat
- 2.Qf8
- threat
- 3.Qxd6#
- 3.Qf5#
- 2...Kc5
- 3.Re5#
- 3.Qxd6#
- threat
- 2.Sxb6+
- 1...Bb8
- 2.Sa3
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qb5#
- 3.Qc4#
- 2...Sxd2
- 3.Qb5#
- 3.Qhxd4#
- 2...Sxa5
- 3.Qb5#
- 3.Qhxd4#
- 2...Sc5
- 3.Qhxd4#
- threat
- 2.Sb6+
- 2...Kc5
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Sc5
- 3.Sb6#
- 3.Qg8#
- 2...Sc5
- 2.Sa3
- 1...Sc1
- 2.Sa3
- threat
- 3.Qc4#
- 2...Kc5
- 3.Qb5#
- 3.Qhxd4#
- 3.Qc4#
- 2...Bc5
- 3.Qg8#
- threat
- 2.Se5
- threat
- 3.Qc6#
- 3.Qc4#
- 2...Kc5
- 3.Qc4#
- 2...dxe5
- 3.Qxe5#
- threat
- 2.Re5+
- 2...dxe5
- 3.Qxe5#
- 2...dxe5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 3.Qg8#
- 2...Bc5
- 2.Qe5+
- 2...dxe5
- 3.Rxe5#
- 2...dxe5
- 2.Qf6
- threat
- 3.Qf5#
- 3.Qxd6#
- 2...Kc5
- 3.Qxd6#
- threat
- 2.Qf8
- threat
- 3.Qxd6#
- 3.Qf5#
- 2...Kc5
- 3.Re5#
- 3.Qxd6#
- threat
- 2.Qg8+
- 2...Kc5
- 3.Rc8#
- 2...Kc5
- 2.Sa3
- 1...d3
- 2.Re5+
- 2...Kd4
- 3.Sb2#
- 3.Sa3#
- 3.Sxe3#
- 3.Sb6#
- 3.Sxd6#
- 3.Bxe3#
- 3.dxe3#
- 2...dxe5
- 3.Qxe5#
- 2...Kd4
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 2...Sc5
- 3.Sxe3#
- 2...Bc5
- 2.Re5+
- 1...Rxh8!
- threat
- 1.Sxe3+?
- Keys
- 1.Re4!
- threat
- 2.Sxe3+
- 2...Kc5
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Sxe3+
- 1...Kc5
- 2.Sa3
- threat
- 3.Qb5#
- 3.Qc4#
- 2...Kd5
- 3.Qc4#
- 2...d5
- 3.Be7#
- threat
- 2.Sa3
- 1...Sxd2
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...Sxa5
- 2.Qb5+
- 2...Bc5
- 3.Sb6#
- 2...Bc5
- 2.Qb5+
- 1...exd2
- 2.Se3+
- 2...Kc5
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Se3+
- 1...Bc5
- 2.Qb5
- threat
- 3.Sb6#
- threat
- 2.Qb5
- 1...Sc5
- 2.Rxd4+
- 2...Kxd4
- 3.dxe3#
- 2...Ke6
- 3.Qe8#
- 2...Kxd4
- 2.Rxd4+
- 1...e2
- 2.Se3+
- 2...Kc5
- 3.Qc4#
- 2...dxe3
- 3.Qc4#
- 2...Kc5
- 2.Se3+
- 1...d3
- 2.Sxe3+
- 2...Kc5
- 3.Rc4#
- 3.Qc4#
- 2...Bxe3
- 3.Qc4#
- 2...Kc5
- 2.Sb6+
- 2...Kc5
- 3.Rc4#
- 3.Qc4#
- 2...Bxb6
- 3.Qc4#
- 2...Kc5
- 2.Qb5+
- 2...Bc5
- 3.Sxe3#
- 3.Sb6#
- 3.Qb7#
- 2...Sc5
- 3.Sxe3#
- 2...Bc5
- 2.Sxe3+
- threat
- 1.Re4!
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).