MESON Chess Problem Database
Problem Display
PID: 170966 (k7/3p3b/1R6/5pp1/5n2/8/2K2n1Q/8 w - - 0 1)
Fossum, Andre Ferdinand
1st Prize, Problemisten, 1971
#3
3 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bg6
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Be8
- 3.Qa1#
- 2...Ka7
- 2.Qh8+
- 1...Sh1
- 2.Qxh1+
- 2...Ka7
- 3.Qb7#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qd2
- threat
- 3.Qa5#
- 2...Ka7
- 3.Qa5#
- threat
- 2.Qxh1+
- 1...S2d3
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qh1+
- 1...S2h3
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qd2
- threat
- 3.Qa5#
- 2...Ka7
- 3.Qa5#
- threat
- 2.Qh1+
- 1...Sg4
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qh1+
- 1...Se2
- 2.Qb8#
- 1...Sg2
- 2.Qb8#
- 1...S4d3
- 2.Qb8#
- 1...S4h3
- 2.Qb8#
- 1...Sd5
- 2.Qb8#
- 1...Sh5
- 2.Qb8#
- 1...Se6
- 2.Qb8#
- 1...Sg6
- 2.Qb8#
- 1...g4
- 2.Qxf4
- threat
- 3.Qb8#
- 3.Qa4#
- 2...Ka7
- 3.Qb8#
- threat
- 2.Qxf4
- 1...d5
- 2.Qxh7
- threat
- 3.Qb7#
- threat
- 2.Qxh7
- 1...d6
- 2.Qxh7
- threat
- 3.Qb7#
- threat
- 2.Qxh7
- 1...Bg6
- Tries
- 1.Qg1?
- threat
- 2.Qa1#
- 1...Ka7
- 2.Rb3
- threat
- 3.Qa1#
- 2...Ka6
- 3.Qa1#
- 2...Ka8
- 3.Qa1#
- threat
- 2.Rb3
- 1...Bg8
- 2.Qa1+
- 2...Ba2
- 3.Qxa2#
- 2...Ba2
- 2.Qa1+
- 1...Sd1!
- threat
- 1.Qxf4?
- threat
- 2.Qb8#
- 2.Qa4#
- 1...Ka7
- 2.Qb8#
- 1...Se4
- 2.Qb8#
- 1...d6
- 2.Qa4#
- 1...gxf4!
- threat
- 1.Qh1+?
- 1...Ka7
- 2.Qb7#
- 1...Se4
- 2.Qa1#
- 1...Sg2
- 2.Qa1#
- 1...Sd5
- 2.Qa1#
- 1...d5
- 2.Qa1#
- 1...Sxh1!
- 1...Ka7
- 1.Qxh7?
- threat
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qxd7
- threat
- 3.Qa4#
- 3.Qb7#
- threat
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...Sd1
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...S2d3
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...Se4
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...Sg4
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...Se2
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...Sg2
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...S4d3
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...Sd5
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Ka7
- 2.Qg8+
- 1...Se6
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Sd8
- 3.Qa2#
- 2...Sf8
- 3.Qa2#
- 2...Ka7
- 2.Qh8+
- 2...Ka7
- 3.Qb8#
- 2...Sd8
- 3.Qa1#
- 2...Sf8
- 3.Qa1#
- 2...Ka7
- 2.Qg8+
- 1...Sg6
- 2.Qg8+
- 2...Ka7
- 3.Qb8#
- 2...Sf8
- 3.Qa2#
- 2...Ka7
- 2.Qxd7
- threat
- 3.Qa4#
- 3.Qb7#
- threat
- 2.Qg8+
- 1...Ka7!
- threat
- 1.Qg1?
- Keys
- 1.Rb3!
- 1...Ka7
- 2.Qg1
- threat
- 3.Qa1#
- 2...Ka6
- 3.Qa1#
- 2...Ka8
- 3.Qa1#
- threat
- 2.Qg1
- 1...Bg8
- 2.Qh8
- threat
- 3.Qa1#
- 2...Ka7
- 3.Qa1#
- threat
- 2.Qh8
- 1...Bg6
- 2.Qh8+
- 2...Ka7
- 3.Qa1#
- 2...Be8
- 3.Qa1#
- 2...Ka7
- 2.Qh8+
- 1...Sd1
- 2.Kxd1
- threat
- 3.Qa2#
- 2...Ka7
- 3.Qa2#
- 2...Se2
- 3.Qb8#
- 2...Sg2
- 3.Qb8#
- threat
- 2.Kxd1
- 1...Sh1
- 2.Qg1
- threat
- 3.Qa1#
- threat
- 2.Qxh1+
- 2...Ka7
- 3.Qb7#
- 3.Qa1#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qd2
- threat
- 3.Qa5#
- 2...Ka7
- 3.Qa5#
- threat
- 2.Qg1
- 1...S2d3
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 3.Qa1#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qh1+
- 1...S2h3
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 3.Qa1#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qd2
- threat
- 3.Qa5#
- 2...Ka7
- 3.Qa5#
- threat
- 2.Qh1+
- 1...Se4
- 2.Qh1
- threat
- 3.Qa1#
- 2...Ka7
- 3.Qa1#
- threat
- 2.Qh1
- 1...Sg4
- 2.Qh1+
- 2...Ka7
- 3.Qb7#
- 3.Qa1#
- 2...Sg2
- 3.Qa1#
- 2...Sd5
- 3.Qa1#
- 2...d5
- 3.Qa1#
- 2...Ka7
- 2.Qh1+
- 1...g4
- 2.Qxf4
- threat
- 3.Qb8#
- 3.Qa4#
- 2...Ka7
- 3.Qa4#
- threat
- 2.Qxf4
- 1...d5
- 2.Qxh7
- threat
- 3.Qb7#
- threat
- 2.Qxh7
- 1...d6
- 2.Qxh7
- threat
- 3.Qb7#
- threat
- 2.Qxh7
- 1...Ka7
- 1.Rb3!
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