MESON Chess Problem Database
Problem Display
PID: 277863 (K7/2Q1p3/3pR3/R2P4/1NNkn3/7p/P5p1/4Bbn1 w - - 0 1)
Borovik, Boris V
diagrammes, 1981
#3
9 + 8
SOLUTION
- COOKED
- Sets
- 1...Be2
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sc2+
- 1...Bxc4
- 2.Qxc4+
- 2...Ke3
- 3.Qxe4#
- 2...Kxc4
- 3.Rxe4#
- 2...Ke3
- 2.Qxc4+
- 1...Se2
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sc2+
- 1...Sd2
- 2.Sxd2
- threat
- 3.Sb3#
- 3.Bf2#
- 3.Re4#
- 2...Bc4
- 3.Qxc4#
- threat
- 2.Sxd2
- 1...Sf2
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Bxf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Sd2
- threat
- 3.Sb3#
- 3.Bxf2#
- 2...Bc4
- 3.Qxc4#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Bxf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Sxd6
- threat
- 3.Sf5#
- 3.Bxf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qc5#
- 3.Qa7#
- threat
- 2.Sc2+
- 1...Sc3
- 2.Bf2#
- 1...Sg3
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Bf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Sd2
- threat
- 3.Sb3#
- 3.Bf2#
- 2...Bc4
- 3.Qxc4#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Bf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Sxd6
- threat
- 3.Bf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qc5#
- 3.Qa7#
- 2...Se4
- 3.Sf5#
- 3.Rxe4#
- threat
- 2.Sc2+
- 1...Sg5
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sxd6
- threat
- 3.Sf5#
- 3.Bf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qc5#
- 3.Qa7#
- threat
- 2.Sc2+
- 1...Sf6
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Bf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Sd2
- threat
- 3.Sb3#
- 3.Bf2#
- 2...Bc4
- 3.Qxc4#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Bf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Sxd6
- threat
- 3.Sf5#
- 3.Bf2#
- 3.Bc3#
- 3.Qb6#
- 3.Qc3#
- 3.Qc5#
- 3.Qa7#
- threat
- 2.Sc2+
- 1...Be2
- Tries
- 1.Sb2?
- threat
- 2.Sc2#
- 1...Bd3
- 2.Qc2
- threat
- 3.Qxd3#
- 2...Ke3
- 3.Qf2#
- 2...Bxc2
- 3.Sxc2#
- 2...Bf1
- 3.Rxe4#
- 3.Qxe4#
- 2...Be2
- 3.Rxe4#
- 3.Qxe4#
- 2...Bc4
- 3.Rxe4#
- 3.Qxe4#
- 2...Bb5
- 3.Rxe4#
- 2...Ba6
- 3.Rxe4#
- 3.Qxe4#
- 2...Sf2
- 3.Sc6#
- 3.Bxf2#
- 3.Bc3#
- 3.Qxf2#
- 3.Qc3#
- 2...Sc5
- 3.Bf2#
- 3.Bc3#
- 3.Qf2#
- 3.Qc3#
- threat
- 2.Qc2
- 1...Bb5
- 2.Sc2+
- 2...Kxd5
- 3.Qc4#
- 2...Kxd5
- 2.Qc3+
- 2...Sxc3
- 3.Bf2#
- 2...Sxc3
- 2.Qc4+
- 2...Ke3
- 3.Qxe4#
- 2...Bxc4
- 3.Sc2#
- 2...Ke3
- 2.Sc2+
- 1...Sc5
- 2.Rxc5
- threat
- 3.Sc2#
- 3.Bf2#
- 3.Bc3#
- 2...dxc5
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Rxc5
- 1...Ke3!
- threat
- 1.Se3?
- threat
- 2.Sec2#
- 2.Sf5#
- 1...Sc5
- 2.Sec2+
- 2...Kc4
- 3.Re4#
- 2...Kc4
- 2.Sf5+
- 2...Kc4
- 3.Re4#
- 2...Kc4
- 2.Rxc5
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Bc3#
- 2...dxc5
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sec2+
- 1...Kxe3!
- threat
- 1.Sxd6?
- threat
- 2.Sf5#
- 2.Rxe4#
- 1...exd6
- 2.Qc2
- threat
- 3.Rxe4#
- 3.Qxe4#
- 2...Ke3
- 3.Qxe4#
- 3.Qf2#
- 2...Bd3
- 3.Qxd3#
- 2...Sd2
- 3.Sc6#
- 3.Bf2#
- 2...Sf2
- 3.Sc6#
- 3.Bxf2#
- 3.Qc3#
- 2...Sc3
- 3.Qxc3#
- 2...Sg3
- 3.Sc6#
- 3.Bf2#
- 3.Qc3#
- 2...Sc5
- 3.Bf2#
- 3.Qc3#
- 2...Sg5
- 3.Sc6#
- 3.Bf2#
- 3.Qc3#
- 2...Sf6
- 3.Sc6#
- 3.Bf2#
- 3.Qc3#
- threat
- 2.Qc2
- 1...Ke3!
- threat
- 1.Bf2+?
- 1...Sxf2
- 2.Sd2
- threat
- 3.Sb3#
- 2...Bc4
- 3.Qxc4#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sd2
- 1...Kc3!
- 1...Sxf2
- 1.Bc3+?
- 1...Sxc3
- 2.Sd2
- threat
- 3.Sb3#
- 3.Qb6#
- 3.Qa7#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Qb6#
- 3.Qa7#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Qb6#
- 3.Qa7#
- threat
- 2.Sd2
- 1...Kxc3!
- 1...Sxc3
- 1.Qb6+?
- 1...Kxc4
- 2.Rxe4#
- 1...Sc5!
- 1...Kxc4
- 1.Qa7+?
- 1...Kxc4
- 2.Rxe4#
- 1...Sc5!
- 1...Kxc4
- 1.Qxe7?
- threat
- 2.Rxe4#
- 1...Sd2
- 2.Qh4+
- 2...Kc3
- 3.Bxd2#
- 2...Se4
- 3.Rxe4#
- 3.Qxe4#
- 2...Kc3
- 2.Qh4+
- 1...Sf2
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- threat
- 2.Sa3
- threat
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- 2...Se4
- 3.Rxe4#
- 2...Sd3
- 3.Sbc2#
- 3.Sc6#
- 3.Re4#
- threat
- 2.Se3
- threat
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- 2...Se4
- 3.Rxe4#
- 2...Sd3
- 3.Sbc2#
- 3.Sc6#
- 3.Re4#
- threat
- 2.Sxd6
- threat
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- 2...Se4
- 3.Rxe4#
- 2...Sd3
- 3.Sc2#
- 3.Sc6#
- 3.Re4#
- threat
- 2.Qh4+
- 2...Se4
- 3.Rxe4#
- 3.Qxe4#
- 2...Sg4
- 3.Qxg4#
- 2...Se4
- 2.Qf6+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Qg7+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Sb2
- 1...Sc3
- 2.Qh4+
- 2...Se4
- 3.Rxe4#
- 3.Qxe4#
- 2...Se4
- 2.Qf6+
- 2...Kxc4
- 3.Qxc3#
- 2...Kxc4
- 2.Qg7+
- 2...Kxc4
- 3.Qxc3#
- 2...Kxc4
- 2.Qh4+
- 1...Sg3
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- threat
- 2.Sa3
- threat
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Se3
- threat
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sxd6
- threat
- 3.Qf6#
- 3.Qa7#
- 3.Qg7#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Qh4+
- 2...Se4
- 3.Rxe4#
- 3.Qxe4#
- 2...Se4
- 2.Qf6+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Qg7+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Sb2
- 1...Sc5
- 2.Qh4+
- 2...Se4
- 3.Rxe4#
- 3.Qxe4#
- 2...Se4
- 2.Qf6+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Qg7+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Qh4+
- 1...Sg5
- 2.Qf6+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Qg7+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Qf6+
- 1...Sf6
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Qxf6#
- 3.Qa7#
- threat
- 2.Sa3
- threat
- 3.Qxf6#
- 3.Qa7#
- 2...Sxd5
- 3.Rxd5#
- 3.Re4#
- 2...Se4
- 3.Rxe4#
- 2...Sd7
- 3.Re4#
- 3.Qh4#
- threat
- 2.Se3
- threat
- 3.Qxf6#
- 3.Qa7#
- 2...Sxd5
- 3.Rxd5#
- 3.Re4#
- 2...Se4
- 3.Rxe4#
- 2...Sd7
- 3.Re4#
- 3.Qh4#
- threat
- 2.Sxd6
- threat
- 3.Qxf6#
- 3.Qa7#
- 2...Sxd5
- 3.Rxd5#
- 3.Re4#
- 2...Se4
- 3.Rxe4#
- 2...Sd7
- 3.Re4#
- 3.Qh4#
- threat
- 2.Qxf6+
- 2...Kxc4
- 3.Re4#
- 3.Qc3#
- 3.Qh4#
- 3.Qf4#
- 2...Kxc4
- 2.Sb2
- 1...Bd3!
- threat
- 1.Sb2?
- Keys
- 1.Sd2!
- threat
- 2.Rxe4#
- 1...Bc4
- 2.Rxe4+
- 2...Kc3
- 3.Sxc4#
- 2...Kc3
- 2.Qxc4+
- 2...Ke3
- 3.Rxe4#
- 3.Qxe4#
- 2...Ke3
- 2.Rxe4+
- 1...Bd3
- 2.Bf2+
- 2...Sxf2
- 3.Sb3#
- 2...Sxf2
- 2.Ra3
- threat
- 3.Rxd3#
- 2...Ke3
- 3.Rxe4#
- 2...Bb1
- 3.Qc4#
- 2...Bf1
- 3.Rxe4#
- 2...Bc2
- 3.Qc4#
- 2...Be2
- 3.Rxe4#
- 2...Bc4
- 3.Rxe4#
- 3.Qxc4#
- 2...Bb5
- 3.Rxe4#
- 2...Ba6
- 3.Rxe4#
- 2...Sf2
- 3.Sb3#
- 3.Bxf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- 2...Sc3
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qxc3#
- 3.Qa7#
- 2...Sc5
- 3.Bf2#
- threat
- 2.Bf2+
- 1...Sc5
- 2.Sb3+
- 2...Kc4
- 3.Re4#
- 2...Sxb3
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- 2...Kc4
- 2.Ra3
- threat
- 3.Bf2#
- 2...Sxe6
- 3.Qc3#
- 2...Sd3
- 3.Sb3#
- 3.Re4#
- 3.Qc3#
- 3.Qc4#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Rxc5
- threat
- 3.Sb3#
- 3.Bf2#
- 3.Re4#
- 2...dxc5
- 3.Qe5#
- 2...Bc4
- 3.Rxc4#
- threat
- 2.Sb3+
- threat
- 1.Ra3!
- threat
- 2.Sd2
- threat
- 3.Rxe4#
- 2...Sxd2
- 3.Bf2#
- 3.Qc3#
- 2...Bd3
- 3.Rxd3#
- 2...Sf2
- 3.Sb3#
- 3.Bxf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- 2...Sc3
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qxc3#
- 3.Qa7#
- 2...Sg3
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- 2...Sc5
- 3.Bf2#
- 2...Sg5
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- 2...Sf6
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Sbc2#
- threat
- 2.Sb6
- threat
- 3.Sc2#
- 2...Bd3
- 3.Rxd3#
- 2...Sc3
- 3.Bf2#
- 3.Bxc3#
- 3.Qxc3#
- threat
- 2.Sd2
- 1...Bxc4
- 2.Bf2+
- 2...Sxf2
- 3.Qb6#
- 3.Qa7#
- 2...Sxf2
- 2.Qb6+
- 2...Sc5
- 3.Bf2#
- 3.Bc3#
- 2...Sc5
- 2.Qa7+
- 2...Sc5
- 3.Bf2#
- 3.Bc3#
- 2...Sc5
- 2.Bf2+
- 1...Sc5
- 2.Sd2
- threat
- 3.Bf2#
- 2...Sxe6
- 3.Qc3#
- 2...Sd3
- 3.Sb3#
- 3.Re4#
- 3.Qc3#
- 3.Qc4#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sd2
- 1...Be2
- 2.Sd2
- threat
- 3.Rxe4#
- 2...Sxd2
- 3.Bf2#
- 3.Qc3#
- 2...Bd3
- 3.Rxd3#
- 2...Bf3
- 3.Rd3#
- 3.Qc4#
- 2...Sf2
- 3.Sb3#
- 3.Bxf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- 2...Sc3
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qxc3#
- 3.Qa7#
- 2...Sg3
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- 2...Sc5
- 3.Bf2#
- 2...Sg5
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- 2...Sf6
- 3.Sb3#
- 3.Bf2#
- 3.Qb6#
- 3.Qc3#
- 3.Qa7#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Sbc2#
- threat
- 2.Sb6
- threat
- 3.Sc2#
- 2...Bd3
- 3.Rxd3#
- 2...Bd1
- 3.Rd3#
- 3.Qc4#
- 2...Sc3
- 3.Bf2#
- 3.Bxc3#
- 3.Qxc3#
- threat
- 2.Sd2
- 1...Sf3
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Sbc2#
- threat
- 2.Se3
- threat
- 1.Qc8!
- threat
- 2.Rxe4+
- 2...Kxe4
- 3.Qg4#
- 2...Kxe4
- 2.Rxe4+
- 1...Bxc4
- 2.Qxc4+
- 2...Ke3
- 3.Qxe4#
- 2...Kxc4
- 3.Rxe4#
- 2...Ke3
- 2.Qxc4+
- 1...Sd2
- 2.Sb2
- threat
- 3.Sc2#
- 3.Bf2#
- 3.Qh8#
- threat
- 2.Sxd2
- threat
- 3.Sb3#
- 3.Bf2#
- 3.Re4#
- 3.Qh8#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Bf2#
- 3.Qh8#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Qh8#
- threat
- 2.Sxd6
- threat
- 3.Sf5#
- 3.Bf2#
- 3.Qc5#
- 3.Qh8#
- threat
- 2.Sb2
- 1...Sc5
- 2.Qh8+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Qh8+
- 1...Bd3
- 2.Sc6+
- 2...Kxc4
- 3.Qa6#
- 2...Kxc4
- 2.Sc6+
- 1...Be2
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sc2+
- 1...Se2
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sc2+
- 1...Sf2
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Bxf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qh8#
- threat
- 2.Sd2
- threat
- 3.Sb3#
- 3.Bxf2#
- 3.Qh8#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Bxf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qh8#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Bc3#
- 3.Qc3#
- 3.Qh8#
- threat
- 2.Sxd6
- threat
- 3.Sf5#
- 3.Bxf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qc5#
- 3.Qh8#
- threat
- 2.Qh8+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Sc2+
- 1...Sg3
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qh8#
- threat
- 2.Sd2
- threat
- 3.Sb3#
- 3.Bf2#
- 3.Qh8#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qh8#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Bc3#
- 3.Qc3#
- 3.Qh8#
- threat
- 2.Sxd6
- threat
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qc5#
- 3.Qh8#
- 2...Se4
- 3.Sf5#
- 3.Rxe4#
- threat
- 2.Qh8+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Sc2+
- 1...Sg5
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sxd6
- threat
- 3.Sf5#
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qc5#
- 3.Qh8#
- threat
- 2.Qh8+
- 2...Kxc4
- 3.Qc3#
- 2...Kxc4
- 2.Sc2+
- 1...Sf6
- 2.Sc2+
- 2...Kd3
- 3.Sb2#
- 2...Kd3
- 2.Sb2
- threat
- 3.Sc2#
- 3.Sc6#
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- threat
- 2.Sd2
- threat
- 3.Sb3#
- 3.Bf2#
- 2...Bc4
- 3.Qxc4#
- 2...Se4
- 3.Rxe4#
- threat
- 2.Sa3
- threat
- 3.Sac2#
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- threat
- 2.Se3
- threat
- 3.Sec2#
- 3.Sf5#
- 3.Bc3#
- 3.Qc3#
- threat
- 2.Sxd6
- threat
- 3.Sf5#
- 3.Bf2#
- 3.Bc3#
- 3.Qc3#
- 3.Qc5#
- threat
- 2.Sc2+
- threat
- 1.Sd2!
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).