MESON Chess Problem Database

Problem Display
PID: 90636 (r7/7b/n7/8/3p4/1Q1pN3/N2P3K/k7 w - - 0 1)

Brunner, Erich Anselm

Kniest, Alfred

Die Schwalbe, 1935

r7/7b/n7/8/3p4/1Q1pN3/N2P3K/k7

#3

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Sc4
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
    • 1...Sb8
      • 2.Sc4
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
    • 1...dxe3
      • 2.Sc3
        • threat
          • 3.Qa2#
          • 3.Qb1#
          • 3.Qa3#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qa2#
        • 2.Qb1#
        • 2.Qa3#
      • 1...Rb8
        • 2.Qa2#
        • 2.Qa3#
      • 1...Bg8
        • 2.Qb1#
      • 1...Sb4
        • 2.Qb1#
      • 1...Sc5
        • 2.Qb1#
      • 1...Sc7
        • 2.Qb1#
      • 1...Sb8
        • 2.Qb1#
      • 1...dxc3!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qa2#
      • 1...Sxb4
        • 2.Sc4
          • threat
            • 3.Qb2#
          • 2...Ra2
            • 3.Qd1#
      • 1...Bg8
        • 2.Sec2+
          • 2...dxc2
            • 3.Sxc2#
        • 2.Sbc2+
          • 2...dxc2
            • 3.Sxc2#
      • 1...Sc5
        • 2.Qd1+
          • 2...Kb2
            • 3.Sc4#
      • 1...Sc7
        • 2.Sd1
          • threat
            • 3.Qb2#
          • 2...Ra2
            • 3.Qxa2#
        • 2.Sc4
          • threat
            • 3.Qd1#
            • 3.Qb2#
        • 2.Qd1+
          • 2...Kb2
            • 3.Sc4#
      • 1...Sb8
        • 2.Sd1
          • threat
            • 3.Qb2#
          • 2...Ra2
            • 3.Qxa2#
        • 2.Sc4
          • threat
            • 3.Qd1#
            • 3.Qb2#
        • 2.Qd1+
          • 2...Kb2
            • 3.Sc4#

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