MESON Chess Problem Database
Problem Display
PID: 241589 (2B5/Qn2Kp2/2P5/2BPp3/n3k3/N3Ppp1/3R1p1N/3b4 w - - 0 1)
Keller, Michael
Schweizerische Schachzeitung, 1990
#3
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Qxa4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qxa4+
- 1...Be2
- Tries
- 1.Sf1?
- threat
- 2.Sxg3#
- 1...Saxc5
- 2.Sb1
- threat
- 3.Sc3#
- 2...Se6
- 3.Sxg3#
- 2...Sd7
- 3.Sxg3#
- 2...Sa4
- 3.Sxg3#
- threat
- 2.Sb5
- threat
- 3.Sc3#
- 2...Se6
- 3.Sxg3#
- 2...Sd7
- 3.Sxg3#
- 2...Sa4
- 3.Sxg3#
- threat
- 2.Sb1
- 1...Sbxc5!
- threat
- 1.Sg4?
- threat
- 2.Sf6#
- 1...Sbxc5
- 2.Sc4
- threat
- 3.Sd6#
- 3.Sf6#
- threat
- 2.Sb5
- threat
- 3.Sd6#
- 2...Sd3
- 3.Sf6#
- 2...Sb7
- 3.Sf6#
- threat
- 2.Sc4
- 1...Saxc5!
- threat
- 1.Qb6?
- threat
- 2.Qb4#
- 1...Saxc5
- 2.Qb4+
- 2...Kxe3
- 3.Sf1#
- 3.Sg4#
- 2...Kxe3
- 2.Qb4+
- 1...Sbxc5
- 2.Qb4+
- 2...Kxe3
- 3.Sf1#
- 3.Sg4#
- 2...Kxe3
- 2.Qb4+
- 1...f1Q
- 2.Qb4+
- 2...Qc4
- 3.Qxc4#
- 2...Qc4
- 2.Qb4+
- 1...f1B
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb4+
- 1...Be2
- 2.Qb1+
- 2...Bd3
- 3.Qxd3#
- 2...Bd3
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb1+
- 1...Bb3
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb4+
- 1...Sb2
- 2.Qb4+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Qb4+
- 1...Sa5
- 2.Qb1+
- 2...Bc2
- 3.Qxc2#
- 2...Bc2
- 2.Qb4+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Qb1+
- 1...Sd6
- 2.Qb1+
- 2...Bc2
- 3.Qxc2#
- 2...Bc2
- 2.Qb4+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Qb1+
- 1...Sxb6!
- threat
- 1.Qa5?
- threat
- 2.Qb4#
- 1...Saxc5
- 2.Qb4+
- 2...Kxe3
- 3.Sf1#
- 3.Sg4#
- 2...Kxe3
- 2.Qb4+
- 1...Sbxc5
- 2.Qb4+
- 2...Kxe3
- 3.Sf1#
- 3.Sg4#
- 2...Kxe3
- 2.Qb4+
- 1...f1Q
- 2.Qb4+
- 2...Qc4
- 3.Qxc4#
- 2...Qc4
- 2.Qb4+
- 1...f1B
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb4+
- 1...Be2
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qxa4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb4+
- 1...Bb3
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb4+
- 1...Sb2
- 2.Qb4+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Qb4+
- 1...Sb6
- 2.Qb4+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Qb4+
- 1...Sd6
- 2.Qb4+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Qb4+
- 1...Sxa5!
- threat
- 1.Qxb7?
- threat
- 2.Qb4#
- 1...Sxc5
- 2.Qb4+
- 2...Kxe3
- 3.Sf1#
- 3.Sg4#
- 2...Kxe3
- 2.Qb4+
- 1...f1Q
- 2.Qb4+
- 2...Qc4
- 3.Qxc4#
- 2...Qc4
- 2.Qb4+
- 1...f1B
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb4+
- 1...Be2
- 2.Qb1+
- 2...Bd3
- 3.Qxd3#
- 2...Bd3
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb1+
- 1...Bb3
- 2.Qb4+
- 2...Bc4
- 3.Qxc4#
- 2...Bc4
- 2.Qb4+
- 1...Sb2
- 2.Sg4
- threat
- 3.Sf6#
- 2...f6
- 3.Sxf6#
- threat
- 2.Sb1
- threat
- 3.Sc3#
- 2...Sa4
- 3.Qb4#
- threat
- 2.Sb5
- threat
- 3.Sc3#
- 3.Sd6#
- threat
- 2.Qb4+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Sg4
- 1...Sb6!
- threat
- 1.Sf1?
- Keys
- 1.Sb5!
- threat
- 2.Sf1
- threat
- 3.Sxg3#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...g2
- 3.Sg3#
- threat
- 2.Sg4
- threat
- 3.Sf6#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...f6
- 3.Sxf6#
- threat
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Sf1
- 1...Saxc5
- 2.Sf1
- threat
- 3.Sc3#
- 2...Se6
- 3.Sxg3#
- 2...Sd7
- 3.Sxg3#
- 2...Sa4
- 3.Sxg3#
- threat
- 2.Sf1
- 1...Sbxc5
- 2.Sg4
- threat
- 3.Sd6#
- 2...Sd3
- 3.Sf6#
- 2...Sb7
- 3.Sf6#
- threat
- 2.Sg4
- 1...gxh2
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Qxa4+
- 1...f1Q
- 2.Qxa4+
- 2...Qc4
- 3.Sc3#
- 3.Qxc4#
- 2...Bxa4
- 3.Sc3#
- 2...Qc4
- 2.Qxa4+
- 1...f1S
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Qxa4+
- 1...f1B
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bc4
- 3.Sc3#
- 3.Qxc4#
- 2...Bxa4
- 2.Qxa4+
- 1...f1R
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Qxa4+
- 1...Bc2
- 2.Sg4
- threat
- 3.Sf6#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...f6
- 3.Sxf6#
- threat
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Sg4
- 1...Be2
- 2.Sg4
- threat
- 3.Sf6#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...f6
- 3.Sxf6#
- threat
- 2.Qxa4+
- 2...Bc4
- 3.Sc3#
- 3.Qxc4#
- 2...Bc4
- 2.Sg4
- 1...Bb3
- 2.Sf1
- threat
- 3.Sxg3#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...g2
- 3.Sg3#
- threat
- 2.Sg4
- threat
- 3.Sf6#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...f6
- 3.Sxf6#
- threat
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bc4
- 3.Sc3#
- 3.Qxc4#
- 2...Bxa4
- 2.Sf1
- 1...g2
- 2.Sg4
- threat
- 3.Sxf2#
- 3.Sf6#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- threat
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Sg4
- 1...f5
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Qxa4+
- 1...f6
- 2.Sf1
- threat
- 3.Sxg3#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...g2
- 3.Sg3#
- threat
- 2.Sg4
- threat
- 3.Sxf6#
- 2...Saxc5
- 3.Sc3#
- 2...Sbxc5
- 3.Sd6#
- 2...f5
- 3.Sf6#
- threat
- 2.Qxa4+
- 2...Bxa4
- 3.Sc3#
- 2...Bxa4
- 2.Sf1
- threat
- 1.Sb5!
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