MESON Chess Problem Database

Problem Display
PID: 180013 (1KN5/1Pp2p2/3p2p1/k1p2r1b/p1BP4/3N4/8/Q2n4 w - - 0 1)

Fossum, Andre Ferdinand

Prize, All Round Ty., 1969-1970

1KN5/1Pp2p2/3p2p1/k1p2r1b/p1BP4/3N4/8/Q2n4

#3

7 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Qe1#
    • 1...Sf2
      • 2.Qc3#
      • 2.Qe1#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Se3
      • 2.Qc3#
      • 2.Qe1#
    • 1...a3
      • 2.Qxa3#
    • 1...cxd4
      • 2.Qb1
        • threat
          • 3.Qb4#
        • 2...Rb5
          • 3.Qxb5#
        • 2...Sb2
          • 3.Qe1#
        • 2...c5
          • 3.Qb5#
          • 3.Qb6#
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qb5#
      • 1...cxd4
        • 2.Qb4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...c6
        • 2.Qb6#
      • 1...Sxb2!
    • 1.Qb1?
      • threat
        • 2.Qb5#
      • 1...cxd4
        • 2.Qb4#
      • 1...Sb2
        • 2.Qe1#
      • 1...c6
        • 2.Qb6#
      • 1...Sc3!
    • 1.Qc1?
      • threat
        • 2.Qd2+
          • 2...Sc3
            • 3.Qxc3#
      • 1...cxd4
        • 2.Qb1
          • threat
            • 3.Qb4#
          • 2...Rb5
            • 3.Qxb5#
          • 2...Sb2
            • 3.Qe1#
          • 2...c5
            • 3.Qb5#
            • 3.Qb6#
      • 1...Rf2!
    • 1.Qxd1?
      • threat
        • 2.Qe1#
        • 2.Qd2#
      • 1...Rf2
        • 2.Qe1+
          • 2...Rd2
            • 3.Qxd2#
      • 1...a3
        • 2.Qb3
          • threat
            • 3.Qxa3#
            • 3.Qb5#
      • 1...Bxd1!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Sb2
          • threat
            • 3.Qxa4#
          • 2...Sxb2
            • 3.Qc3#
          • 2...Sc3
            • 3.Qxc3#
      • 1...Rf2
        • 2.Sxc5
          • threat
            • 3.Sb3#
            • 3.Qxa4#
          • 2...dxc5
            • 3.Qxc5#
      • 1...Rf3
        • 2.Se5
          • threat
            • 3.Sc6#
          • 2...dxe5
            • 3.Qxc5#
          • 2...c6
            • 3.Sxc6#
      • 1...Bf3
        • 2.Sc1
          • threat
            • 3.Sb3#

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