MESON Chess Problem Database
Problem Display
PID: 150263 (8/8/8/1R6/Q1P5/1K6/pb6/kb6 w - - 0 1)
Ott, Hans
National-Zeitung, 1948
#4
4 + 4
| 15158 | Hans Ott Schachprobleme (Kummer) | 1986 |
SOLUTION
- SOUND
- Keys
- 1.Qa7!
- 1...Bc2+
- 2.Kxc2
- threat
- 3.Qg1+
- 3...Bc1
- 4.Qxc1#
- 3...Bc1
- 3.Qg1+
- 2...Ba3
- 3.Qg1+
- 3...Bc1
- 4.Qxc1#
- 3...Bc1
- 3.Qd4+
- 3...Bb2
- 4.Qxb2#
- 3...Bb2
- 3.Qg7+
- 3...Bb2
- 4.Qxb2#
- 3...Bb2
- 3.Ra5
- 3...Bc1
- 4.Rxa2#
- 3...Bb2
- 4.Rxa2#
- 3...Bb4
- 4.Rxa2#
- 3...Bc5
- 4.Rxa2#
- 3...Bd6
- 4.Rxa2#
- 4.Qg1#
- 4.Qd4#
- 3...Be7
- 4.Rxa2#
- 4.Qg1#
- 4.Qd4#
- 3...Bf8
- 4.Rxa2#
- 4.Qg1#
- 4.Qd4#
- 3...Bc1
- 3.Qg1+
- threat
- 2.Kxc2
- 1...Bc3
- 2.Kxc3
- threat
- 3.Rxb1+
- 3...Kxb1
- 4.Qg1#
- 3...Kxb1
- 3.Kd2
- threat
- 4.Qd4#
- 4.Qg7#
- threat
- 3.Rb2
- 3...Bc2
- 4.Qxa2#
- 3...Bd3
- 4.Qxa2#
- 3...Be4
- 4.Qxa2#
- 3...Bf5
- 4.Qxa2#
- 3...Bg6
- 4.Qxa2#
- 3...Bh7
- 4.Qxa2#
- 3...Bc2
- 3.Qd4
- threat
- 4.Kd2#
- 4.Kb3#
- 4.Kb4#
- threat
- 3.Qa3
- threat
- 4.Qb2#
- threat
- 3.Qg7
- threat
- 4.Kd2#
- 4.Kb3#
- 4.Kb4#
- threat
- 3.Rxb1+
- threat
- 2.Kxc3
- 1...Be5
- 2.Ra5
- threat
- 3.Rxa2+
- 3...Bxa2+
- 4.Qxa2#
- 3...Bxa2+
- 3.Qg1
- threat
- 4.Rxa2#
- threat
- 3.Rxa2+
- 2...Bc2+
- 3.Kxc2
- threat
- 4.Rxa2#
- 4.Qg1#
- threat
- 3.Kxc2
- 2...Bd3
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bf1
- 4.Qxf1#
- 3...Bb1
- 3.Qg1+
- 2...Be4
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rxa2+
- 2...Bf5
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rxa2+
- 2...Bg6
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rxa2+
- 2...Bh7
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Qxh7
- threat
- 4.Rxa2#
- 4.Qh1#
- threat
- 3.Rxa2+
- threat
- 2.Ra5
- 1...Bf6
- 2.Ra5
- threat
- 3.Rxa2+
- 3...Bxa2+
- 4.Qxa2#
- 3...Bxa2+
- 3.Qg1
- threat
- 4.Rxa2#
- threat
- 3.Rxa2+
- 2...Bc2+
- 3.Kxc2
- threat
- 4.Rxa2#
- 4.Qg1#
- threat
- 3.Kxc2
- 2...Bd3
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bf1
- 4.Qxf1#
- 3...Bb1
- 3.Qg1+
- 2...Be4
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rxa2+
- 2...Bf5
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rxf5
- threat
- 4.Rf1#
- 4.Qg1#
- 4.Qxa2#
- 3...Kb1
- 4.Rf1#
- 4.Qg1#
- threat
- 3.Rxa2+
- 2...Bg6
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rf5
- threat
- 4.Qg1#
- 4.Qxa2#
- 3...Kb1
- 4.Rf1#
- 4.Qg1#
- threat
- 3.Rxa2+
- 2...Bh7
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Qxh7
- threat
- 4.Rxa2#
- 4.Qh1#
- threat
- 3.Rf5
- threat
- 4.Qg1#
- 4.Qxa2#
- 3...Kb1
- 4.Rf1#
- 4.Qg1#
- threat
- 3.Rxa2+
- threat
- 2.Ra5
- 1...Bh8
- 2.Ra5
- threat
- 3.Rxa2+
- 3...Bxa2+
- 4.Qxa2#
- 3...Bxa2+
- 3.Qg1
- threat
- 4.Rxa2#
- threat
- 3.Rxa2+
- 2...Bc2+
- 3.Kxc2
- threat
- 4.Rxa2#
- 4.Qg1#
- threat
- 3.Kxc2
- 2...Bd3
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bf1
- 4.Qxf1#
- 3...Bb1
- 3.Qg1+
- 2...Be4
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rxa2+
- 2...Bf5
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rxf5
- threat
- 4.Rf1#
- 4.Qg1#
- 4.Qxa2#
- 3...Kb1
- 4.Rf1#
- 4.Qg1#
- threat
- 3.Rxa2+
- 2...Bg6
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Rf5
- threat
- 4.Qg1#
- 4.Qxa2#
- 3...Kb1
- 4.Rf1#
- 4.Qg1#
- threat
- 3.Rxa2+
- 2...Bh7
- 3.Rxa2+
- 3...Kb1
- 4.Qg1#
- 3...Kb1
- 3.Qg1+
- 3...Bb1
- 4.Rxa2#
- 3...Bb1
- 3.Qxh7
- threat
- 4.Rxa2#
- 4.Qh1#
- threat
- 3.Rf5
- threat
- 4.Qg1#
- 4.Qxa2#
- 3...Kb1
- 4.Rf1#
- 4.Qg1#
- threat
- 3.Rxa2+
- threat
- 2.Ra5
- 1...Bc2+
- 1.Qa7!
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