MESON Chess Problem Database
Problem Display
PID: 8420 (4R1B1/1K1NP2p/1pPkN3/2rpp3/3Rpp2/B4QP1/1bb5/1r1q4 w - - 0 1)
Keller, Michael
Comm., Probleemblad, 1976
#3
11 + 12
| 4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Qxf3
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Rxd5#
- 2...e3
- 3.Se4#
- threat
- 2.Sexc5
- 1...Qc1
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Rxd5#
- threat
- 2.Sg7
- threat
- 3.Sf5#
- 3.Rxd5#
- threat
- 2.Sexc5
- 1...Qe1
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Rxd5#
- threat
- 2.Sg7
- threat
- 3.Sf5#
- 3.Rxd5#
- threat
- 2.Sexc5
- 1...Qg1
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Rxd5#
- threat
- 2.Sg7
- threat
- 3.Sf5#
- 3.Rxd5#
- threat
- 2.Sexc5
- 1...Qh1
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Rxd5#
- threat
- 2.Sg7
- threat
- 3.Sf5#
- 3.Rxd5#
- threat
- 2.Sexc5
- 1...Ra1
- 2.Sxb6
- threat
- 3.Sc4#
- 3.Sc8#
- 3.Bxc5#
- 2...exd4
- 3.Qxf4#
- threat
- 2.Sxb6
- 1...Rc1
- 2.Sxb6
- threat
- 3.Sc4#
- 3.Sc8#
- 3.Bxc5#
- 2...exd4
- 3.Qxf4#
- threat
- 2.Sxb6
- 1...Bb3
- 2.Sexc5
- threat
- 3.Sxe4#
- 2...exf3
- 3.Se4#
- 2...bxc5
- 3.Bxc5#
- 2...e3
- 3.Se4#
- threat
- 2.Sg7
- threat
- 3.Sf5#
- threat
- 2.Sdxc5
- threat
- 3.Sxe4#
- 2...exf3
- 3.Se4#
- 2...exd4
- 3.Qxf4#
- 2...bxc5
- 3.Bxc5#
- 2...e3
- 3.Se4#
- threat
- 2.Sxb6
- threat
- 3.Sc8#
- 3.Bxc5#
- 2...exd4
- 3.Qxf4#
- threat
- 2.Sexc5
- 1...e3
- 2.Qxd5#
- 1...fxg3
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Qf6#
- 2...exf3
- 3.Se4#
- threat
- 2.Sc7
- threat
- 3.Sb5#
- 3.Qf6#
- 2...Qf1
- 3.Rxd5#
- threat
- 2.Qf6
- threat
- 3.Sf4#
- 3.Sexc5#
- 3.Sg5#
- 3.Sc7#
- 3.Sg7#
- 3.Sd8#
- 3.Sef8#
- 3.Qxe5#
- threat
- 2.Sexc5
- 1...exd4
- 2.Qxf4#
- 1...b5
- 2.Bxc5#
- 1...Qxf3
- Tries
- 1.Sexc5?
- threat
- 2.Sxe4#
- 1...exf3
- 2.Se4#
- 1...bxc5
- 2.Bxc5#
- 1...e3
- 2.Se4#
- 2.Qxd5#
- 1...Bxa3!
- threat
- 1.Sg7?
- threat
- 2.Sf5#
- 1...e3
- 2.Qxd5#
- 1...exf3!
- threat
- 1.Sdxc5?
- threat
- 2.Sxe4#
- 1...exf3
- 2.Se4#
- 1...exd4
- 2.Qxf4#
- 1...bxc5
- 2.Bxc5#
- 1...e3
- 2.Se4#
- 2.Qxd5#
- 1...Bxa3!
- threat
- 1.Rxd5+?
- 1...Kxd5
- 2.Sg7+
- 2...Kd4
- 3.Sf5#
- 2...Kd6
- 3.Sf5#
- 2...Kd4
- 2.Sxb6+
- 2...Kd6
- 3.Bxc5#
- 2...Kd6
- 2.Sg7+
- 1...Qxd5!
- 1...Kxd5
- 1.Rd8?
- threat
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 2...exd4
- 3.Qxf4#
- threat
- 2.Sxb6+
- 1...Qxf3
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.Sxb6+
- 1...Qxd4
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- threat
- 2.e8Q
- 1...Bxa3
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 2...exd4
- 3.Qxf4#
- threat
- 2.e8Q
- 1...Bxd4
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- threat
- 2.Sf6+
- 1...exf3
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.Sxb6+
- 1...fxg3
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Qf6#
- 2...Kxe7
- 3.Qf6#
- 3.Qf8#
- 2...exf3
- 3.Se4#
- threat
- 2.Sdxc5+
- 2...Kxe7
- 3.Qf7#
- 3.Qf8#
- 2...Kxe7
- 2.Sxe5+
- 2...Kxe5
- 3.Qf4#
- 2...Kxe7
- 3.Qf7#
- 3.Qf8#
- 2...Kxe5
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 3.Sc8#
- 3.Bxc5#
- 3.Qf7#
- 3.Qf8#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 3.Rd7#
- 2...Kxe7
- 2.Sb8+
- 2...Kxe7
- 3.Qf7#
- 3.Qf8#
- 2...Kxe7
- 2.Sdf8+
- 2...Kxe7
- 3.Qf7#
- 2...Kxe7
- 2.Qf6
- threat
- 3.Sf4#
- 3.Sexc5#
- 3.Sg5#
- 3.Sc7#
- 3.Sg7#
- 3.Sef8#
- 3.Sdxc5#
- 3.Sxe5#
- 3.Sxb6#
- 3.Sb8#
- 3.Sdf8#
- 3.e8S#
- threat
- 2.Qf7
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.e8S#
- threat
- 2.Qf8
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.e8Q#
- 3.e8S#
- 3.e8B#
- 3.e8R#
- threat
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qff8#
- 3.Qef8#
- threat
- 2.e8S+
- 2...Ke7
- 3.Qf6#
- 3.Qf7#
- 3.Qf8#
- 2...Ke7
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.Sexc5
- 1...exd4
- 2.Sxb6+
- 2...Ke5
- 3.Qxf4#
- 2...Kxe7
- 3.Sxd5#
- 2...Ke5
- 2.Sf6+
- 2...Ke5
- 3.Qxf4#
- 2...Kxe7
- 3.Sxd5#
- 2...Ke5
- 2.Qxf4+
- 2...Kxe7
- 3.Qf8#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Qxf4#
- 3.Qf8#
- threat
- 2.Sxb6+
- 1...Qe2
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sxb6+
- 1...Qc1
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.Sxb6+
- 1...Qf1
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sxb6+
- 1...Qd2
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.Sxb6+
- 1...Qd3
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sxb6+
- 1...Ba1
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 2...exd4
- 3.Qxf4#
- threat
- 2.Sf6+
- 1...Bc1
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.Sf6+
- 1...Bc3
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 2...exd4
- 3.Qxf4#
- threat
- 2.Sf6+
- 1...Bb3
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 2...exd4
- 3.Qxf4#
- threat
- 2.e8Q
- 1...Bd3
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sxb6+
- 1...Ba4
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sxb6+
- 1...e3
- 2.Sxb6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Sf6+
- 2...Kxe7
- 3.Sxd5#
- 2...Kxe7
- 2.Qxd5+
- 2...Kxe7
- 3.Qd6#
- 2...Kxe7
- 2.e8Q
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qxd5#
- 3.Qf8#
- threat
- 2.e8R
- threat
- 3.Sdxc5#
- 3.Sxb6#
- 3.Sf6#
- 3.Sb8#
- 3.Sdf8#
- 3.Qxd5#
- 2...exd4
- 3.Qxf4#
- 2...e4
- 3.Qxf4#
- threat
- 2.Sxb6+
- 1...Kxe7!
- threat
- 1.Qxe4?
- threat
- 2.Qxd5#
- 2.Qxe5#
- 1...Qxd4
- 2.Sxd4
- threat
- 3.Sb5#
- 3.Sf5#
- 3.Qxd5#
- 3.Qxe5#
- threat
- 2.Sxd4
- 1...Bxe4
- 2.Sexc5
- threat
- 3.Sxe4#
- 2...bxc5
- 3.Bxc5#
- 2...Bh1
- 3.Se4#
- 2...Bc2
- 3.Se4#
- 2...Bg2
- 3.Se4#
- 2...Bd3
- 3.Se4#
- 3.Rxd5#
- 2...Bf3
- 3.Se4#
- 2...Bf5
- 3.Se4#
- 2...Bg6
- 3.Se4#
- threat
- 2.Sexc5
- 1...Bxd4!
- threat
- 1.Qb3?
- threat
- 2.Qxd5#
- 1...Qxd4
- 2.Sxd4
- threat
- 3.Sb5#
- 3.Sf5#
- 3.Qxd5#
- threat
- 2.Sxd4
- 1...Bxd4
- 2.Sg7
- threat
- 3.Sf5#
- 3.Qxd5#
- threat
- 2.Sg7
- 1...Bxb3
- 2.Sexc5
- threat
- 3.Sxe4#
- 2...bxc5
- 3.Bxc5#
- 2...e3
- 3.Se4#
- threat
- 2.Sexc5
- 1...exd4
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Qxd5#
- threat
- 2.Sexc5
- 1...Bxa3!
- threat
- 1.Qxf4?
- threat
- 2.Qxe5#
- 1...Qxd4
- 2.Sxd4
- threat
- 3.Sb5#
- 3.Sf5#
- 3.Qxe5#
- 3.Qh6#
- 3.Qf6#
- threat
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Qh6#
- 3.Qf6#
- threat
- 2.Sc7
- threat
- 3.Sb5#
- 3.Qh6#
- 3.Qf6#
- threat
- 2.Sg7
- threat
- 3.Sf5#
- 3.Qh6#
- 3.Qf6#
- threat
- 2.Qf6
- threat
- 3.Sxd4#
- 3.Sf4#
- 3.Sexc5#
- 3.Sg5#
- 3.Sc7#
- 3.Sg7#
- 3.Sd8#
- 3.Sef8#
- threat
- 2.Sxd4
- 1...Bxd4
- 2.Sxd4
- threat
- 3.Sf5#
- 3.Qxe5#
- 3.Qh6#
- 3.Qf6#
- threat
- 2.Sxd4
- 1...Qh5
- 2.Sexc5
- threat
- 3.Sxe4#
- 3.Rxd5#
- 3.Qf6#
- 2...Qf7
- 3.Qxe5#
- threat
- 2.Sg5
- threat
- 3.Rxd5#
- 3.Qxe5#
- 3.Qf6#
- threat
- 2.Sc7
- threat
- 3.Sb5#
- 3.Rxd5#
- 3.Qf6#
- 2...Qf7
- 3.Qxe5#
- threat
- 2.Sexc5
- 1...exf4!
- threat
- 1.Sexc5?
- Keys
- 1.Sxe5!
- threat
- 2.Sc4#
- 1...Qxd4
- 2.Sc7
- threat
- 3.Sf7#
- 2...Kxe5
- 3.Qxf4#
- 2...Qxe5
- 3.Sb5#
- threat
- 2.Sc7
- 1...Bxa3
- 2.Sc4+
- 2...Rxc4
- 3.Qxf4#
- 2...Rxc4
- 2.Sg6
- threat
- 3.Rd8#
- 3.Qxf4#
- threat
- 2.Sc4+
- 1...Bxd4
- 2.Sg7
- threat
- 3.Sf7#
- 2...Kxe5
- 3.Qxf4#
- 2...Bxe5
- 3.Sf5#
- threat
- 2.Sg7
- 1...Qe2
- 2.Sc4+
- 2...Qxc4
- 3.Qxf4#
- 2...Qxc4
- 2.Sc4+
- 1...Qf1
- 2.Sc4+
- 2...Qxc4
- 3.Qxf4#
- 2...Qxc4
- 2.Sc4+
- 1...Qd3
- 2.Sc4+
- 2...Qxc4
- 3.Qxf4#
- 2...Qxc4
- 2.Sc4+
- 1...Bb3
- 2.Sc4+
- 2...Bxc4
- 3.Qxf4#
- 2...Bxc4
- 2.Sg6
- threat
- 3.Rd8#
- 3.Qxf4#
- threat
- 2.Qxf4
- threat
- 3.Sd3#
- 3.Sf3#
- 3.Sc4#
- 3.Sg4#
- 3.Sg6#
- 3.Sd7#
- threat
- 2.Sc4+
- 1...Bd3
- 2.Sc4+
- 2...Bxc4
- 3.Qxf4#
- 2...Bxc4
- 2.Sc4+
- 1...b5
- 2.Sc4+
- 2...bxc4
- 3.Qxf4#
- 2...bxc4
- 2.Sg6
- threat
- 3.Bxc5#
- 3.Rd8#
- 3.Qxf4#
- threat
- 2.Bxc5+
- 2...Kxe5
- 3.Qxf4#
- 2...Kxe5
- 2.Qxf4
- threat
- 3.Sd3#
- 3.Sf3#
- 3.Sc4#
- 3.Sg4#
- 3.Sg6#
- 3.Sd7#
- 3.Bxc5#
- threat
- 2.Sc4+
- threat
- 1.Sxe5!
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