MESON Chess Problem Database
Problem Display
PID: 149922 (3B1n2/1p6/P1P1p3/4k1N1/1K1p1p2/8/2P5/2Q5 w - - 0 1)
Ott, Hans
National-Zeitung, 1930
#4
7 + 6
| 15158 | Hans Ott Schachprobleme (Kummer) | 1986 |
SOLUTION
- SOUND
- Keys
- 1.Qa3!
- threat
- 2.Qa5+
- 2...b5
- 3.Qxb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Qxb5+
- 2...b5
- 2.Qd3
- threat
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Be7
- threat
- 4.Qe4#
- 4.Qb5#
- 3...Kd5
- 4.Qe4#
- 4.Qb5#
- threat
- 3.Sf7+
- 2...Kd5
- 3.Qc4+
- 3...Ke5
- 4.Qc5#
- 3...Kd6
- 4.Sf7#
- 4.Qc5#
- 3...Ke5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Qc4+
- 2...Kd6
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kxc6
- 4.Qb5#
- 3...Kd5
- 3.Qc4
- threat
- 4.Sf7#
- 4.Qc5#
- 3...Ke5
- 4.Qc5#
- 3...bxc6
- 4.Qxd4#
- threat
- 3.Sf7+
- 2...bxc6
- 3.Sf3+
- 3...Kd5
- 4.Qxd4#
- 3...Kd6
- 4.Qxd4#
- 3...Kd5
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 4.c4#
- 3...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Qxd4#
- 3...Kd6
- 3.Sf3+
- threat
- 2.Qa5+
- 1...Kd5
- 2.Qf3+
- 2...Ke5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qe4+
- 2...Ke5
- 2.Qa5+
- 2...Kxc6
- 3.Qc7+
- 3...Kd5
- 4.Qc5#
- 3...Kd5
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 3...Kd6
- 3.Qc7+
- 2...b5
- 3.Qxb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Qxb5+
- 2...Kxc6
- 2.Qd3
- threat
- 3.Qc4+
- 3...Ke5
- 4.Qc5#
- 3...Kd6
- 4.Sf7#
- 4.Qc5#
- 3...Ke5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Qc4+
- 2...Ke5
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Be7
- threat
- 4.Qe4#
- 4.Qb5#
- 3...Kd5
- 4.Qe4#
- 4.Qb5#
- threat
- 3.Sf7+
- 2...Kxc6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 2...Kd6
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kxc6
- 4.Qb5#
- 3...Kd5
- 3.Qc4
- threat
- 4.Sf7#
- 4.Qc5#
- 3...Ke5
- 4.Qc5#
- 3...bxc6
- 4.Qxd4#
- threat
- 3.Sf7+
- 2...bxc6
- 3.Qc4+
- 3...Ke5
- 4.Qc5#
- 3...Kd6
- 4.Qxd4#
- 3...Ke5
- 3.Qe4+
- 3...Kd6
- 4.Qxd4#
- 3...Kd6
- 3.c4+
- 3...Ke5
- 4.Sf7#
- 3...Kd6
- 4.Qxd4#
- 3...Ke5
- 3.Qc4+
- 2...Sd7
- 3.Qc4+
- 3...Ke5
- 4.Qxe6#
- 3...Kd6
- 4.Sf7#
- 4.Qxe6#
- 3...Ke5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 4.Qxe6#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 3...Sc5
- 4.Qxc5#
- 3...Kd6
- 3.Qb3+
- 3...Ke5
- 4.Qxe6#
- 3...Kxc6
- 4.Qxe6#
- 3...Kd6
- 4.Qxe6#
- 3...Ke5
- 3.Qc4+
- 2...e5
- 3.Qc4+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Qc5#
- 3...Kd6
- 3.Qc4+
- threat
- 2.Qf3+
- 1...Kf5
- 2.Qd3+
- 2...Ke5
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Be7
- threat
- 4.Qe4#
- 4.Qb5#
- 3...Kd5
- 4.Qe4#
- 4.Qb5#
- threat
- 3.Sf7+
- 2...Ke5
- 2.Qd3+
- 1...bxc6
- 2.Kc4
- threat
- 3.Qc5#
- 2...Kf5
- 3.Qd3+
- 3...Kg4
- 4.Qh3#
- 3...Ke5
- 4.Sf7#
- 3...Kg4
- 3.Qd3+
- 2...f3
- 3.Qxf8
- threat
- 4.Bc7#
- threat
- 3.Qxf8
- 2...Sd7
- 3.Qd6+
- 3...Kf5
- 4.Qxe6#
- 3...Kxd6
- 4.Sf7#
- 3...Kf5
- 3.Qd6+
- threat
- 2.Kc4
- 1...d3
- 2.Qc3+
- 2...Kf5
- 3.Qxd3+
- 3...Kg4
- 4.Qh3#
- 3...Ke5
- 4.Sf3#
- 4.Sf7#
- 3...Kg4
- 3.Qxd3+
- 2...Kf5
- 2.Qa5+
- 2...b5
- 3.Qxb5+
- 3...Kd4
- 4.Bb6#
- 4.Qc5#
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd4
- 3.Qxb5+
- 2...b5
- 2.Qxd3
- threat
- 3.Sf3#
- 3.Sf7#
- 2...f3
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qe3+
- 3...Kd5
- 4.Qc5#
- 3...Kf5
- 4.Qe4#
- 3...Kd6
- 4.Qc5#
- 3...Kd5
- 3.Qe4+
- threat
- 2.Qc3+
- 1...f3
- 2.Qxf3
- threat
- 3.Sf7#
- 3.Bc7#
- 2...d3
- 3.Sf7+
- 3...Kd4
- 4.Bb6#
- 4.Qxd3#
- 4.c3#
- 3...Kd4
- 3.Bc7+
- 3...Kd4
- 4.Qe4#
- 4.Qxd3#
- 4.c3#
- 3...Kd4
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qe3+
- 3...Kd5
- 4.Qc5#
- 3...Kf5
- 4.Qe4#
- 3...Kd6
- 4.Qc5#
- 3...Kd5
- 3.Be7
- threat
- 4.Qe4#
- 3...Kd4
- 4.Qe4#
- threat
- 3.c3
- threat
- 4.Sf7#
- 4.Bc7#
- 3...Kd6
- 4.Sf7#
- threat
- 3.Sf7+
- threat
- 2.Qd3
- threat
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qe4+
- 2...Kf4
- 3.Qxf3+
- 3...Ke5
- 4.Sf7#
- 4.Bc7#
- 3...Ke5
- 3.Qxf3+
- 2...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Qxf3+
- 3...Ke5
- 4.Sf7#
- 4.Bc7#
- 3...Kd6
- 4.Sf7#
- 3...Ke5
- 3.Qe4+
- 2...Kd6
- 3.Sf7+
- 3...Kd5
- 4.Qxf3#
- 3...Kxc6
- 4.Qb5#
- 3...Kd5
- 3.Sf7+
- 2...bxc6
- 3.Qe4+
- 3...Kd6
- 4.Qxd4#
- 3...Kd6
- 3.Qe4+
- 2...Sg6
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 4.Qxe6#
- 3...Kd6
- 3.Qe4+
- 2...Sd7
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 4.Qxe6#
- 3...Kd6
- 3.Qe4+
- 2...Sh7
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 4.Qxe6#
- 3...Kd6
- 3.Qe4+
- threat
- 2.Qxf3
- 1...Sd7
- 2.Qa5+
- 2...Kd6
- 3.Se4+
- 3...Kxc6
- 4.Qb5#
- 3...Kxc6
- 3.Sf7+
- 3...Kxc6
- 4.Qb5#
- 3...Kxc6
- 3.Se4+
- 2...b5
- 3.Qxb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 3...Sc5
- 4.Qxc5#
- 3...Kd6
- 3.Qxb5+
- 2...Kd6
- 2.Qa5+
- 1...b5
- 2.Qd3
- threat
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qxb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Be7
- threat
- 4.Qe4#
- 4.Qxb5#
- 3...Kd5
- 4.Qe4#
- 4.Qxb5#
- threat
- 3.Sf7+
- 2...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qxb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- 3...Kd6
- 3.Qe4+
- 2...Kd6
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kxc6
- 4.Qxb5#
- 3...Kd5
- 3.Qxb5
- threat
- 4.Se4#
- 4.Sf7#
- 4.Qc5#
- threat
- 3.Sf7+
- threat
- 2.Qd3
- 1...b6
- 2.Qd3
- threat
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 3...Kd6
- 3.Be7
- threat
- 4.Qe4#
- 4.Qb5#
- 3...Kd5
- 4.Qe4#
- 4.Qb5#
- threat
- 3.Sf7+
- 2...Kd5
- 3.Qe4+
- 3...Kd6
- 4.Sf7#
- 3...Kd6
- 3.Qb5+
- 3...Kd6
- 4.Se4#
- 4.Sf7#
- 3...Kd6
- 3.Qe4+
- 2...Kd6
- 3.Sf7+
- 3...Kd5
- 4.Qf3#
- 3...Kxc6
- 4.Qb5#
- 3...Kd5
- 3.Sf7+
- threat
- 2.Qd3
- threat
- 1.Qa3!
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