MESON Chess Problem Database
Problem Display
PID: 287383 (5n1q/4B3/1n4p1/1P2k1p1/1K2N1P1/6p1/2BP4/5Q2 w - - 0 1)
von Klett, Maximilian Phillipp Friedrich
Philipp Klett`s Schachprobleme, 1978
#4
8 + 7
SOLUTION
- SOUND
- Keys
- 1.Bb3!
- threat
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bd6+
- 1...Sd5+
- 2.Bxd5
- threat
- 3.Bd6+
- 3...Kd4
- 4.Qc4#
- 3...Kxd5
- 4.Qc4#
- 3...Kd4
- 3.Kc4
- threat
- 4.Bd6#
- 4.d4#
- threat
- 3.Bd6+
- 2...Kd4
- 3.Qc4+
- 3...Ke5
- 4.Bd6#
- 3...Ke5
- 3.Bd6
- threat
- 4.Qc4#
- 3...Kxd5
- 4.Qc4#
- threat
- 3.Qc4+
- 2...Kxd5
- 3.Qc4+
- 3...Ke5
- 4.Bd6#
- 3...Ke5
- 3.Qc4+
- 2...Qf6
- 3.Bxf6+
- 3...Kxd5
- 4.Qc4#
- 3...Kxd5
- 3.Qxf6+
- 3...Kxd5
- 4.Sc3#
- 3...Kxd5
- 3.Bxf6+
- threat
- 2.Bxd5
- 1...Kd4
- 2.Qg1+
- 2...Ke5
- 3.Bd6+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Bd6+
- 2...Ke5
- 2.Qg1+
- 1...Kxe4
- 2.Qe2+
- 2...Kf4
- 3.Bd6+
- 3...Qe5
- 4.Bxe5#
- 3...Qe5
- 3.Bd6+
- 2...Kf4
- 2.Qe2+
- 1...Sc4
- 2.Qxc4
- threat
- 3.Bd6#
- 2...Kf4
- 3.Sxg5+
- 3...Ke5
- 4.Sf3#
- 4.Sf7#
- 4.Qe4#
- 3...Qd4
- 4.Qxd4#
- 3...Ke5
- 3.Sf6+
- 3...Kf3
- 4.Qf1#
- 3...Ke5
- 4.Qe4#
- 3...Kf3
- 3.Sxg5+
- 2...Qf6
- 3.Bxf6+
- 3...Kf4
- 4.Sxg5#
- 3...Kf4
- 3.Sxf6
- threat
- 4.Qe4#
- threat
- 3.Bxf6+
- threat
- 2.Qxc4
- 1...Qf6
- 2.Bxf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qxf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bxf6+
- 1...Qh1
- 2.Bf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bf6+
- 1...Qh2
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Qf6+
- 1...Qh3
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Be5#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bd6+
- 1...Qh4
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Be5#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bd6+
- 1...Qh5
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Be5#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bd6+
- 1...Qh6
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Be5#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bd6+
- 1...Qh7
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Be5#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bd6+
- 1...Qg8
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Be5#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bf6+
- 2...Kxe4
- 3.Qe2+
- 3...Kf4
- 4.Be5#
- 3...Kf4
- 3.Qe2+
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bc2+
- 3...Kd5
- 4.Qd6#
- 3...Kd5
- 3.Bc2+
- 2...Kxe4
- 2.Bd6+
- 1...Sa4
- 2.Bd6+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Qc4#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kxe4
- 2.Qd3
- threat
- 3.Bd6#
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- 2...Qf6
- 3.Sxf6
- threat
- 4.Qe4#
- 4.Qe3#
- 4.Qd6#
- 3...Kf4
- 4.Bd6#
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Sxf6
- threat
- 2.Qc4
- threat
- 3.Bd6#
- 2...Kf4
- 3.Sxg5+
- 3...Ke5
- 4.Sf3#
- 4.Sf7#
- 4.Qe4#
- 3...Qd4
- 4.Qxd4#
- 3...Ke5
- 3.Sf6+
- 3...Kf3
- 4.Qf1#
- 3...Ke5
- 4.Qe4#
- 3...Kf3
- 3.Sxg5+
- 2...Qf6
- 3.Bxf6+
- 3...Kf4
- 4.Sxg5#
- 3...Kf4
- 3.Bxf6+
- threat
- 2.Qe1
- threat
- 3.Sf2+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Sc3+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sc5+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sxg5+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sd6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sf6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Bd6+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- threat
- 3.Sf2+
- 2...Kd4
- 3.Qe3+
- 3...Ke5
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- 3...Ke5
- 3.Sf6
- threat
- 4.Qe3#
- 4.Qe4#
- 3...Kd3
- 4.Qe3#
- threat
- 3.Bd6
- threat
- 4.Qe3#
- 3...Kd3
- 4.Qe3#
- threat
- 3.Qe3+
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- threat
- 2.Qf3
- threat
- 3.Bd6+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- threat
- 3.Bd6+
- 2...Kd4
- 3.Qe3+
- 3...Ke5
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- 3...Ke5
- 3.Sf2
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- 3...Qe5
- 4.Qd3#
- threat
- 3.Sc5
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- 3...Qe5
- 4.Qd3#
- threat
- 3.Sf6
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Bd6
- threat
- 4.Qe3#
- threat
- 3.Qe3+
- 2...Sc3
- 3.Bd6+
- 3...Kd4
- 4.Qe3#
- 4.dxc3#
- 3...Kd4
- 3.Kxc3
- threat
- 4.Bd6#
- 4.d4#
- threat
- 3.Sxc3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.dxc3
- threat
- 4.Bd6#
- 3...Qf6
- 4.Bxf6#
- threat
- 3.Bd6+
- threat
- 2.Bd6+
- 1...Sbd7
- 2.Bd6+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Qc4#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kxe4
- 2.Qd3
- threat
- 3.Bd6#
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- 2...Qf6
- 3.Sxf6
- threat
- 4.Qe4#
- 4.Qe3#
- 4.Qd6#
- 3...Kf4
- 4.Qe4#
- 4.Qe3#
- 3...Sxf6
- 4.Bd6#
- threat
- 3.Sxf6
- threat
- 2.Qe1
- threat
- 3.Sf2+
- 3...Kd4
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Sc3+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sc5+
- 3...Kd4
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sxg5+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sd6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sf6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Bd6+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- threat
- 3.Sf2+
- 2...Kd4
- 3.Qe3+
- 3...Ke5
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- 3...Ke5
- 3.Sf2
- threat
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- threat
- 3.Sc5
- threat
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- threat
- 3.Sf6
- threat
- 4.Qe3#
- 4.Qe4#
- 3...Kd3
- 4.Qe3#
- threat
- 3.Bd6
- threat
- 4.Qe3#
- 3...Kd3
- 4.Qe3#
- threat
- 3.Qe3+
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- threat
- 2.Bd6+
- 1...Sa8
- 2.Bd6+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Qc4#
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kxe4
- 2.Sxg5
- threat
- 3.Qe2+
- 3...Kd4
- 4.Sf3#
- 4.Bc5#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Qe1+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Qd3
- threat
- 4.Qe4#
- 4.Qe3#
- 4.Qd6#
- 3...Kf4
- 4.Qe4#
- threat
- 3.Qc4
- threat
- 4.Sf3#
- 4.Sf7#
- 4.Qe4#
- threat
- 3.Qf3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Qe2+
- 2...Kd4
- 3.Bc5+
- 3...Ke5
- 4.d4#
- 3...Ke5
- 3.Qc4+
- 3...Ke5
- 4.Sf3#
- 4.Sf7#
- 4.Qe4#
- 3...Ke5
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Ke5
- 4.Qe3#
- 3...Kd3
- 3.Qf4+
- 3...Kd3
- 4.Qe3#
- 3...Kd3
- 3.Qe2
- threat
- 4.Sf3#
- 4.Bc5#
- 4.Qe3#
- 4.Qe4#
- threat
- 3.Qb1
- threat
- 4.Sf3#
- 4.Qe4#
- 3...Ke5
- 4.Qe4#
- 3...Qh1
- 4.Bf6#
- threat
- 3.Qf3
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Bc5+
- threat
- 2.Sc3
- threat
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Sd5#
- 4.Qe4#
- 3...Kd4
- 3.Qe1+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Qd3
- threat
- 4.Qe4#
- 4.Qe3#
- 4.Qd6#
- 3...Kf4
- 4.Qe4#
- threat
- 3.Qf3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Qe2+
- 2...Kd4
- 3.Bc5+
- 3...Ke5
- 4.d4#
- 3...Ke5
- 3.Qc4+
- 3...Ke5
- 4.Qe4#
- 3...Ke5
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Ke5
- 4.Qe3#
- 3...Kd3
- 3.Qe2
- threat
- 4.Bc5#
- 4.Qe3#
- 4.Qe4#
- 3...Qe5
- 4.Qc4#
- threat
- 3.Bc5+
- 2...g2
- 3.Qc4
- threat
- 4.Qe4#
- threat
- 3.Qf2
- threat
- 4.Qe3#
- 4.d4#
- threat
- 3.Qf3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qe3#
- threat
- 3.Qc4
- threat
- 2.Sc5
- threat
- 3.Qe2+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Sd3#
- 4.Qe4#
- 3...Kd4
- 3.Qe1+
- 3...Kd4
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Qd3
- threat
- 4.Qe4#
- 4.Qe3#
- 4.Qd6#
- 3...Kf4
- 4.Qe4#
- threat
- 3.Qc4
- threat
- 4.Sd3#
- 4.Qe4#
- threat
- 3.Qf3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Qe2+
- threat
- 2.Sd6
- threat
- 3.Qe2+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Qe1+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Qc4
- threat
- 4.Sf7#
- 4.Qe4#
- threat
- 3.Qf3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Qe2+
- 2...Kd4
- 3.Qc4+
- 3...Ke5
- 4.Sf7#
- 4.Qe4#
- 3...Ke5
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Ke5
- 4.Qe3#
- 3...Kd3
- 3.Qe2
- threat
- 4.Qe3#
- 4.Qe4#
- 3...Qe5
- 4.Qc4#
- threat
- 3.Qf3
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Qc4+
- threat
- 2.Qd3
- threat
- 3.Bd6#
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- 2...Qf6
- 3.Sxf6
- threat
- 4.Qe4#
- 4.Qe3#
- 4.Qd6#
- 3...Kf4
- 4.Bd6#
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Sxf6
- threat
- 2.Qc4
- threat
- 3.Bd6#
- 2...Kf4
- 3.Sxg5+
- 3...Ke5
- 4.Sf3#
- 4.Sf7#
- 4.Qe4#
- 3...Qd4
- 4.Qxd4#
- 3...Ke5
- 3.Sf6+
- 3...Kf3
- 4.Qf1#
- 3...Ke5
- 4.Qe4#
- 3...Kf3
- 3.Sxg5+
- 2...Qf6
- 3.Bxf6+
- 3...Kf4
- 4.Sxg5#
- 3...Kf4
- 3.Sxf6
- threat
- 4.Qe4#
- threat
- 3.Bxf6+
- threat
- 2.Qe1
- threat
- 3.Sf2+
- 3...Kd4
- 4.Bc5#
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Sc3+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sc5+
- 3...Kd4
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sxg5+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sd6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sf6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Bd6+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- threat
- 3.Sf2+
- 2...Kd4
- 3.Qe3+
- 3...Ke5
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- 3...Ke5
- 3.Sf2
- threat
- 4.Bc5#
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- threat
- 3.Sc5
- threat
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- threat
- 3.Sf6
- threat
- 4.Qe3#
- 4.Qe4#
- 3...Kd3
- 4.Qe3#
- threat
- 3.Bd6
- threat
- 4.Qe3#
- 3...Kd3
- 4.Qe3#
- threat
- 3.Qe3+
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- threat
- 2.Qg1
- threat
- 3.Bd6+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- threat
- 3.Bd6+
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- 2...Qf6
- 3.Sxf6
- threat
- 4.Qe3#
- 3...Kf4
- 4.Qe3#
- threat
- 3.Sxf6
- threat
- 2.Qf3
- threat
- 3.Bd6+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Sxg3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Sxg5
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Kc3
- threat
- 4.Bd6#
- 4.d4#
- threat
- 3.Sf2
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Sc3
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Sc5
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Sd6
- threat
- 4.Qe4#
- 4.Qe3#
- 3...Kd4
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Qh1
- 4.Qf6#
- threat
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- threat
- 3.Bd6+
- 2...Kd4
- 3.Bc5+
- 3...Ke5
- 4.d4#
- 3...Ke5
- 3.Qc3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qe3+
- 3...Ke5
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bd6#
- 4.d4#
- 3...Ke5
- 3.Sxg3
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Sxg5
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Sf2
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Sc5
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Sd6
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Sf6
- threat
- 4.Qe4#
- 4.Qd5#
- 4.Qc3#
- 4.Qe3#
- 3...Ke5
- 4.Qe4#
- 4.Qe3#
- threat
- 3.Bd6
- threat
- 4.Qe3#
- threat
- 3.Bc5+
- threat
- 2.Bd6+
- 1...Sc8
- 2.Qe1
- threat
- 3.Sf2+
- 3...Kd4
- 4.Bc5#
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Sc3+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sc5+
- 3...Kd4
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sxg5+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sd6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sf6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.d4#
- threat
- 3.Sf2+
- 2...Kd4
- 3.Qe3+
- 3...Ke5
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.d4#
- 3...Ke5
- 3.Sf2
- threat
- 4.Bc5#
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- threat
- 3.Sc5
- threat
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- threat
- 3.Sf6
- threat
- 4.Qe3#
- 4.Qe4#
- 3...Kd3
- 4.Qe3#
- threat
- 3.Qe3+
- 2...Kf4
- 3.Qxg3+
- 3...Kxe4
- 4.Qe3#
- 3...Kxe4
- 3.Qxg3+
- 2...Sxe7
- 3.Sf6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd6
- 4.Qxg3#
- 3...Kxf6
- 4.Qa1#
- 3...Kd4
- 3.Sf6+
- 2...Qh1
- 3.Qe3
- threat
- 4.Bf6#
- 4.d4#
- threat
- 3.Qe3
- 2...Qh2
- 3.Sf2+
- 3...Kd4
- 4.Bc5#
- 4.Bf6#
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 4.Qe4#
- 3...Kd4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sxg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.Bf6#
- 4.d4#
- 3...Qxd2+
- 4.Sxd2#
- threat
- 3.Sf2+
- 2...Sd6
- 3.Sf2+
- 3...Kd4
- 4.Qa1#
- 4.Qe3#
- 3...Kf4
- 4.Qe3#
- 3...Se4
- 4.Qxe4#
- 3...Kd4
- 3.Sxd6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe4#
- 3...Kd4
- 3.Sf6+
- 3...Kd4
- 4.Qe3#
- 3...Kf4
- 4.Qe3#
- 3...Se4
- 4.Qxe4#
- 3...Kd4
- 3.Bxd6+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Sf2+
- 2...g2
- 3.Sf2+
- 3...Kd4
- 4.Bc5#
- 4.Qa1#
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 3...Kd4
- 3.Sf6+
- 3...Kd4
- 4.Qe3#
- 4.Qe4#
- 3...Kf4
- 4.Qe3#
- 3...Kd4
- 3.Qe3
- threat
- 4.Sf2#
- 4.Sc3#
- 4.Sg3#
- 4.Sc5#
- 4.Sxg5#
- 4.Sd6#
- 4.Sf6#
- 4.d4#
- threat
- 3.Sf2+
- threat
- 2.Qe1
- 1...Se6
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bd6+
- 1...Sfd7
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Qe3#
- 3...Kd4
- 3.Qe2+
- 2...Kd4
- 2.Bd6+
- 1...g2
- 2.Bd6+
- 2...Kd4
- 3.Qg1+
- 3...Kd3
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qf2+
- 3...Kd3
- 4.Sc5#
- 4.Qe3#
- 3...Kxe4
- 4.Qe3#
- 3...Kd3
- 3.Qg1+
- 2...Kxe4
- 3.Qe2+
- 3...Kd4
- 4.Bc5#
- 4.Qe3#
- 3...Kd4
- 3.Qe1+
- 3...Kd3
- 4.Qe3#
- 3...Kf3
- 4.Bd1#
- 3...Kd4
- 4.Qe3#
- 3...Kd3
- 3.Qe2+
- 2...Kd4
- 2.Bd6+
- threat
- 1.Bb3!
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).