MESON Chess Problem Database
Problem Display
PID: 180018 (k7/1R6/3p4/2NP4/4PP2/2PpQ3/3P1n1b/K7 w - - 0 1)
Fossum, Andre Ferdinand
1st Prize, All Round Ty., 1963
#3
9 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxf4
- 2.Qxf4
- threat
- 3.Qf8#
- 2...dxc5
- 3.Qb8#
- threat
- 2.Qxf4
- 1...Sd1
- 2.Qxd3
- threat
- 3.Qa6#
- threat
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- threat
- 2.Qxd3
- 1...Sh1
- 2.Qxd3
- threat
- 3.Qa6#
- threat
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- threat
- 2.Qxd3
- 1...Sh3
- 2.Qxd3
- threat
- 3.Qa6#
- threat
- 2.Qxh3
- threat
- 3.Qc8#
- 3.Qh8#
- threat
- 2.Qxd3
- 1...Sxe4
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- threat
- 2.Qh3
- 1...Sg4
- 2.Qxd3
- threat
- 3.Qa6#
- threat
- 2.Qxd3
- 1...Bxf4
- Tries
- 1.Rb1?
- threat
- 2.Sa6
- threat
- 3.Sc7#
- 3.Rb8#
- threat
- 2.Se6
- threat
- 3.Sc7#
- threat
- 2.Sd7
- threat
- 3.Rb8#
- threat
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Sa6
- 1...Ka7
- 2.Sa6+
- 2...Kxa6
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 3.Rb8#
- 2...Kxa6
- 2.Se6+
- 2...Ka6
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 2...Ka6
- 2.Sd7+
- 2...Ka6
- 3.Qb6#
- 2...Ka8
- 3.Rb8#
- 2...Ka6
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka8
- 3.Qa4#
- threat
- 2.Sa6+
- 1...Bxf4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qd4
- 1...Sxe4
- 2.Qxe4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxe4
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa3#
- 3.Qa5#
- threat
- 2.Qxc5
- 1...Sg4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxd3
- threat
- 3.Qa6#
- 2...Ka7
- 3.Qa6#
- threat
- 2.Qd4
- 1...Sd1!
- threat
- 1.Rb2?
- threat
- 2.Sa6
- threat
- 3.Sc7#
- 3.Rb8#
- threat
- 2.Se6
- threat
- 3.Sc7#
- threat
- 2.Sd7
- threat
- 3.Rb8#
- threat
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Sa6
- 1...Ka7
- 2.Sa6+
- 2...Kxa6
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 3.Rb8#
- 2...Kxa6
- 2.Se6+
- 2...Ka6
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 2...Ka6
- 2.Sd7+
- 2...Ka6
- 3.Qb6#
- 2...Ka8
- 3.Rb8#
- 2...Ka6
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka8
- 3.Qa4#
- threat
- 2.Sa6+
- 1...Bxf4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qd4
- 1...Sxe4
- 2.Qxe4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxe4
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa3#
- 3.Qa5#
- threat
- 2.Qxc5
- 1...Sg4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxd3
- threat
- 3.Qa6#
- 2...Ka7
- 3.Qa6#
- threat
- 2.Qd4
- 1...Sd1!
- threat
- 1.Rb5?
- threat
- 2.Sa6
- threat
- 3.Sc7#
- 3.Rb8#
- threat
- 2.Se6
- threat
- 3.Sc7#
- threat
- 2.Sd7
- threat
- 3.Rb8#
- threat
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Sa6
- 1...Ka7
- 2.Sa6+
- 2...Kxa6
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 3.Rb8#
- 2...Kxa6
- 2.Se6+
- 2...Ka6
- 3.Sc7#
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 2...Ka6
- 2.Sd7+
- 2...Ka6
- 3.Qb6#
- 2...Ka8
- 3.Rb8#
- 2...Ka6
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka8
- 3.Qa4#
- threat
- 2.Sa6+
- 1...Bxf4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qd4
- 1...Sxe4
- 2.Qxe4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxe4
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa3#
- threat
- 2.Qxc5
- 1...Sg4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qd4
- 1...Sd1!
- threat
- 1.Rd7?
- threat
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Sa6
- 1...Kb8
- 2.Qd4
- threat
- 3.Qh8#
- 2...Ka8
- 3.Qh8#
- 2...Kc8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Bxf4
- 2.Qxf4
- threat
- 3.Qf8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxf4
- 1...Sxe4
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- 2...Sc5
- 3.Qe8#
- threat
- 2.Qxe4
- threat
- 3.Qe8#
- 2...Kb8
- 3.Qe8#
- threat
- 2.Sa6
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa7#
- 3.Qf8#
- 3.Qc8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxc5
- 1...Sd1
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qh3
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Bg3
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Sa6
- 1...Sg4!
- threat
- 1.Re7?
- threat
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Sa6
- 1...Kb8
- 2.Qd4
- threat
- 3.Qh8#
- 2...Ka8
- 3.Qh8#
- 2...Kc8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Bxf4
- 2.Qxf4
- threat
- 3.Qf8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxf4
- 1...Sxe4
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qh3
- 1...Sd1
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Sg4
- 2.Qh3
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- 2...Sf6
- 3.Qc8#
- 2...Sh6
- 3.Qc8#
- threat
- 2.Qh3
- 1...dxc5!
- threat
- 1.Rf7?
- threat
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Sa6
- 1...Kb8
- 2.Qd4
- threat
- 3.Qh8#
- 2...Ka8
- 3.Qh8#
- 2...Kc8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Sxe4
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- 2...Sc5
- 3.Qe8#
- threat
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qxe4
- threat
- 3.Qe8#
- 2...Kb8
- 3.Qe8#
- threat
- 2.Sa6
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa7#
- 3.Qf8#
- 3.Qc8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxc5
- 1...Sd1
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Bg3
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Sa6
- 1...Sg4
- 2.Qh3
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- 2...Sf6
- 3.Qc8#
- 2...Sh6
- 3.Qc8#
- threat
- 2.Qh3
- 1...Bxf4!
- threat
- 1.Rg7?
- threat
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Sa6
- 1...Bxf4
- 2.Qxf4
- threat
- 3.Qf8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxf4
- 1...Sxe4
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- 2...Sc5
- 3.Qe8#
- threat
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qxe4
- threat
- 3.Qe8#
- 2...Kb8
- 3.Qe8#
- threat
- 2.Sa6
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa7#
- 3.Qf8#
- 3.Qc8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxc5
- 1...Sd1
- 2.Qh3
- threat
- 3.Qc8#
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qh3
- 1...Sg4
- 2.Qh3
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- 2...Sf6
- 3.Qc8#
- 2...Sh6
- 3.Qc8#
- threat
- 2.Qh3
- 1...Kb8!
- threat
- 1.Rh7?
- threat
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Sa6
- 1...Kb8
- 2.Qd4
- threat
- 3.Qh8#
- 2...Ka8
- 3.Qh8#
- 2...Kc8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Bxf4
- 2.Qxf4
- threat
- 3.Qf8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxf4
- 1...Sxe4
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- 2...Sc5
- 3.Qe8#
- threat
- 2.Qxe4
- threat
- 3.Qe8#
- 2...Kb8
- 3.Qe8#
- threat
- 2.Sa6
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa7#
- 3.Qf8#
- 3.Qc8#
- 2...Kb8
- 3.Qf8#
- threat
- 2.Qxc5
- 1...Sd1
- 2.Qd4
- threat
- 3.Qh8#
- 2...Kb8
- 3.Qh8#
- threat
- 2.Qd4
- 1...Bg3
- 2.Sa6
- threat
- 3.Ra7#
- 3.Qa7#
- threat
- 2.Sa6
- 1...Sg4!
- threat
- 1.Rb8+?
- 1...Ka7
- 2.Sa6+
- 2...Kxa6
- 3.Qb6#
- 2...Kxa6
- 2.Sd7+
- 2...Ka6
- 3.Qb6#
- 2...Ka6
- 2.Sa6+
- 1...Kxb8!
- 1...Ka7
- 1.Qh3?
- threat
- 2.Qc8#
- 2.Qh8#
- 1...dxc5
- 2.Qc8#
- 1...Sg4
- 2.Qh8#
- 1...Sxh3!
- threat
- 1.Rb1?
- Keys
- 1.Rb3!
- threat
- 2.Sa6
- threat
- 3.Sc7#
- 3.Rb8#
- threat
- 2.Se6
- threat
- 3.Sc7#
- threat
- 2.Sd7
- threat
- 3.Rb8#
- threat
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Sa6
- 1...Ka7
- 2.Sa6+
- 2...Kxa6
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 3.Rb8#
- 2...Kxa6
- 2.Se6+
- 2...Ka6
- 3.Qb6#
- 2...Ka8
- 3.Sc7#
- 2...Ka6
- 2.Sd7+
- 2...Ka6
- 3.Qb6#
- 2...Ka8
- 3.Rb8#
- 2...Ka6
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka8
- 3.Qa4#
- threat
- 2.Sa6+
- 1...Bxf4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qd4
- 1...Sxe4
- 2.Qxe4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxe4
- 1...dxc5
- 2.Qxc5
- threat
- 3.Qa3#
- 3.Qa5#
- threat
- 2.Qxc5
- 1...Sd1
- 2.Qxd3
- threat
- 3.Qa6#
- 2...Ka7
- 3.Qa6#
- threat
- 2.Qxd3
- 1...Sg4
- 2.Qd4
- threat
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxd3
- threat
- 3.Qa6#
- 2...Ka7
- 3.Qa6#
- threat
- 2.Qd4
- threat
- 1.Rb3!
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