MESON Chess Problem Database

Problem Display
PID: 178098 (8/8/8/8/1p6/4K3/4Q3/kN6 w - - 0 1)

Jonsson, Christer

Postsjakk, 1968

8/8/8/8/1p6/4K3/4Q3/kN6

#3

3 + 2

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Sc3
        • 2...b2
          • 3.Qa6#
  • Tries
    • 1.Kf2?
      • 1...b3
        • 2.Sc3
          • 2...b2
            • 3.Qa6#
      • 1...Kxb1!
    • 1.Kd3?
      • 1...b3
        • 2.Kc3
          • threat
            • 3.Qb2#
          • 2...Kxb1
            • 3.Qb2#
          • 2...b2
            • 3.Qxb2#
      • 1...Kxb1!
    • 1.Kf3?
      • 1...b3
        • 2.Sc3
          • 2...b2
            • 3.Qa6#
      • 1...Kxb1!
    • 1.Kd4?
      • 1...b3
        • 2.Kc3
          • threat
            • 3.Qb2#
          • 2...Kxb1
            • 3.Qb2#
          • 2...b2
            • 3.Qxb2#
        • 2.Sc3
          • 2...b2
            • 3.Qa6#
      • 1...Kxb1!
    • 1.Ke4?
      • 1...b3
        • 2.Sc3
          • 2...b2
            • 3.Qa6#
      • 1...Kxb1!
    • 1.Kf4?
      • 1...b3
        • 2.Sc3
          • 2...b2
            • 3.Qa6#
      • 1...Kxb1!
    • 1.Sc3?
      • threat
        • 2.Qa2#
      • 1...b3
        • 2.Kf2
          • 2...b2
            • 3.Qa6#
        • 2.Kf3
          • 2...b2
            • 3.Qa6#
        • 2.Kd4
          • 2...b2
            • 3.Qa6#
        • 2.Ke4
          • 2...b2
            • 3.Qa6#
        • 2.Kf4
          • 2...b2
            • 3.Qa6#
        • 2.Sd1
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...b2
            • 3.Qxb2#
        • 2.Sa4
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...b2
            • 3.Qxb2#
        • 2.Qg2
          • 2...b2
            • 3.Qa8#
      • 1...bxc3!
    • 1.Qg2?
      • 1...b3
        • 2.Sc3
          • 2...b2
            • 3.Qa8#
      • 1...Kxb1!
  • Keys
    • 1.Sa3!
      • threat
        • 2.Sc4
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
      • 1...bxa3
        • 2.Qc2
          • 2...a2
            • 3.Qc1#
      • 1...b3
        • 2.Sc4
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...b2
            • 3.Qxb2#

Anticipated by 145208(1927)

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