MESON Chess Problem Database
Problem Display
PID: 271525 (6n1/ppb1p1N1/8/2Qpk1P1/b1pN1p2/5P2/3P4/7K w - - 0 1)
Morra, Juan Carlos
The Problemist, 1956
#3
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Bb8
- 2.Sdf5
- threat
- 3.Qd4#
- threat
- 2.Sdf5
- 1...Sf6
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxe7#
- 3.Qxc7#
- threat
- 2.Sdf5
- 1...c3
- 2.Sc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Qxc7+
- 2...Kxd4
- 3.Qxc3#
- 2...Kxd4
- 2.Sc2
- 1...b5
- 2.Sc6#
- 1...Bb8
- Tries
- 1.Sdf5?
- threat
- 2.Qd4#
- 2.Qxc7#
- 1...Bc6
- 2.Qd4#
- 1...Ba5
- 2.Qd4#
- 1...Bd6
- 2.Qd4#
- 1...Bb8
- 2.Qd4#
- 1...Bd8
- 2.Qd4#
- 1...Bb6!
- threat
- 1.Sdf5?
- Keys
- 1.d3!
- threat
- 2.Sc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc2
- 1...cxd3
- 2.Qxc7+
- 2...Kxd4
- 3.Sf5#
- 2...Kxd4
- 2.Qxc7+
- 1...Bc6
- 2.Sb5
- threat
- 3.Qd4#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.d4#
- threat
- 2.Sxc6+
- 2...bxc6
- 3.d4#
- 2...bxc6
- 2.Sb5
- 1...Bd1
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...bxc6
- 3.d4#
- 2...bxc6
- 2.Se2
- 1...Bc2
- 2.Sxc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...bxc6
- 3.d4#
- 2...bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sxc2
- 1...Bb3
- 2.Sc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sxb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...bxc6
- 3.d4#
- 2...bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc2
- 1...Bb5
- 2.Sc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sxb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc2
- 1...Bd7
- 2.Sc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc2
- 1...Be8
- 2.Sc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc2
- 1...Ba5
- 2.Sb5
- threat
- 3.Qd4#
- 3.d4#
- 2...Bc3
- 3.Qc7#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.d4#
- 2...Bc3
- 3.Qc7#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sb5
- 1...Bb6
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sc6+
- 1...Bd6
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sc6+
- 1...Bb8
- 2.Sb5
- threat
- 3.Qd4#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sb5
- 1...Bd8
- 2.Sb5
- threat
- 3.Qd4#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sb5
- 1...Sf6
- 2.Sc2
- threat
- 3.Qxe7#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxe7#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxe7#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxe7#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxe7#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sde6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc2
- 1...Sh6
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sc6+
- 1...b6
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...Bxc6
- 2.Sc6+
- 1...e6
- 2.Sc2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Se2
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb3
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sb5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sdf5
- threat
- 3.Qd4#
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc6+
- 2...Bxc6
- 3.d4#
- 2...bxc6
- 3.d4#
- 2...Bxc6
- 2.Sdxe6
- threat
- 3.Qxc7#
- 3.d4#
- threat
- 2.Sc2
- threat
- 1.d3!
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