MESON Chess Problem Database

Problem Display
PID: 246813 (4Qb2/1n6/r3pN2/1Rp5/1pk4K/1R2P3/8/3N4 w - - 0 1)

Ohlsson, B

Nordiske Skakproblemer (Arnell & Sorensen), 1879

4Qb2/1n6/r3pN2/1Rp5/1pk4K/1R2P3/8/3N4

#3

7 + 7

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Qxe6+
        • 2...Kxb5
          • 3.Sc3#
  • Tries
    • 1.Rb6?
      • threat
        • 2.Qxe6#
      • 1...Rxb6
        • 2.Qa4
          • threat
            • 3.Sb2#
            • 3.Rc3#
      • 1...Be7
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
      • 1...Sd8
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
      • 1...Kxb3!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Rba3
          • threat
            • 3.Sb2#
            • 3.Qb5#
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
        • 2.Qa4
          • threat
            • 3.Sb2#
            • 3.Rc3#
        • 2.Qb5+
          • 2...Kxb3
            • 3.Qd3#
        • 2.Qg6
          • threat
            • 3.Qc2#
            • 3.Qd3#
          • 2...Kxb3
            • 3.Qd3#
      • 1...Kxb3
        • 2.Qa4+
          • 2...Kc4
            • 3.Qc2#
      • 1...Rxa5
        • 2.Qxe6+
          • 2...Kb5
            • 3.Sc3#
      • 1...Sxa5
        • 2.Qa4
          • threat
            • 3.Sb2#
            • 3.Rc3#
          • 2...Sxb3
            • 3.Qxa6#
      • 1...Rb6
        • 2.Qa4
          • threat
            • 3.Sb2#
            • 3.Rc3#
        • 2.Qg6
          • threat
            • 3.Qc2#
            • 3.Qd3#
          • 2...Kxb3
            • 3.Qd3#
      • 1...Rc6
        • 2.Qg6
          • threat
            • 3.Qc2#
            • 3.Qd3#
          • 2...Kxb3
            • 3.Qd3#
      • 1...Rd6
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
      • 1...Bh6
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
        • 2.Qb5+
          • 2...Kxb3
            • 3.Qd3#
      • 1...Be7
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
        • 2.Qb5+
          • 2...Kxb3
            • 3.Qd3#
      • 1...Bg7
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
        • 2.Qb5+
          • 2...Kxb3
            • 3.Qd3#
      • 1...e5
        • 2.Rc3+
          • 2...bxc3
            • 3.Qb5#
        • 2.Qb5+
          • 2...Kxb3
            • 3.Qd3#
        • 2.Qf7+
          • 2...Re6
            • 3.Qxe6#

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