MESON Chess Problem Database

Problem Display
PID: 124790 (6Q1/1p3p2/5K2/1p4p1/2p4n/p2Np3/4R3/k7 w - - 0 1)

Knotek, Ladislav

Svobodny smer, 1948

6Q1/1p3p2/5K2/1p4p1/2p4n/p2Np3/4R3/k7

#3

4 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...a2
      • 2.Re1#
    • 1...c3
      • 2.Re1+
        • 2...Ka2
          • 3.Qxf7#
  • Tries
    • 1.Qxg5?
      • threat
        • 2.Qg1#
      • 1...Sg2
        • 2.Qxg2
          • threat
            • 3.Re1#
            • 3.Qf1#
            • 3.Qh1#
            • 3.Qg1#
          • 2...Kb1
            • 3.Re1#
            • 3.Qf1#
            • 3.Qh1#
            • 3.Qg1#
      • 1...Sf3!
    • 1.Qa8?
      • threat
        • 2.Qxa3+
          • 2...Kb1
            • 3.Rb2#
            • 3.Qc1#
            • 3.Qb2#
            • 3.Qa2#
      • 1...Kb1
        • 2.Qxa3
          • threat
            • 3.Rb2#
            • 3.Qc1#
            • 3.Qb2#
            • 3.Qa2#
      • 1...cxd3
        • 2.Qxa3+
          • 2...Kb1
            • 3.Qb2#
      • 1...c3
        • 2.Qxa3+
          • 2...Kb1
            • 3.Qc1#
            • 3.Qa2#
      • 1...b4!
    • 1.Qf8?
      • threat
        • 2.Qxa3+
          • 2...Kb1
            • 3.Rb2#
            • 3.Qc1#
            • 3.Qb2#
            • 3.Qa2#
      • 1...Kb1
        • 2.Qxa3
          • threat
            • 3.Rb2#
            • 3.Qc1#
            • 3.Qb2#
            • 3.Qa2#
        • 2.Qb4+
          • 2...Ka1
            • 3.Qe1#
      • 1...cxd3
        • 2.Qxa3+
          • 2...Kb1
            • 3.Qb2#
      • 1...c3
        • 2.Re1+
          • 2...Ka2
            • 3.Qxf7#
        • 2.Qxa3+
          • 2...Kb1
            • 3.Qc1#
            • 3.Qa2#
      • 1...b4!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Sb4
          • threat
            • 3.Ra2#
          • 2...Sf5
            • 3.Qh1#
          • 2...Sg6
            • 3.Qh1#
          • 2...a2
            • 3.Rxa2#
      • 1...Kb1
        • 2.Sb4+
          • 2...Ka1
            • 3.Ra2#
          • 2...Kc1
            • 3.Qc2#
          • 2...Sf5
            • 3.Qh1#
          • 2...Sg6
            • 3.Qh1#
      • 1...cxd3
        • 2.Qxd3
          • threat
            • 3.Qd1#
      • 1...Sf3
        • 2.Qh1+
          • 2...Se1
            • 3.Qxe1#
          • 2...Sg1
            • 3.Qxg1#
      • 1...Sg2
        • 2.Sc1
          • threat
            • 3.Ra2#
          • 2...a2
            • 3.Rxa2#
        • 2.Sb4
          • threat
            • 3.Ra2#
          • 2...a2
            • 3.Rxa2#
        • 2.Qh1+
          • 2...Se1
            • 3.Qxe1#
      • 1...c3
        • 2.Re1+
          • 2...Ka2
            • 3.Qxf7#
      • 1...b4
        • 2.Sxb4
          • threat
            • 3.Ra2#
          • 2...Sf5
            • 3.Qh1#
          • 2...Sg6
            • 3.Qh1#
          • 2...a2
            • 3.Rxa2#

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