MESON Chess Problem Database

Problem Display
PID: 149881 (8/7B/8/1P5Q/1NN5/8/1PpP3K/k7 w - - 0 1)

Subotic, Miroslav

Sp. Prize=, The Problemist Supplement, 2013

8/7B/8/1P5Q/1NN5/8/1PpP3K/k7

#2

8 + 2

56 The Problemist 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kb1
      • 2.Qd1#
  • Tries
    • 1.Qf3?
      • 1...Kb1
        • 2.Qd1#
        • 2.Qh1#
        • 2.Qf1#
      • 1...c1Q
        • 2.Qa8#
        • 2.Qa3#
      • 1...c1B
        • 2.Qa8#
        • 2.Qa3#
      • 1...c1R
        • 2.Qa8#
        • 2.Qa3#
      • 1...c1S!
    • 1.Qf7?
      • 1...Kb1
        • 2.Qf1#
      • 1...c1Q
        • 2.Qa7#
      • 1...c1B
        • 2.Qa7#
      • 1...c1R
        • 2.Qa7#
      • 1...c1S!
    • 1.Qe8?
      • 1...Kb1
        • 2.Qe1#
      • 1...c1Q
        • 2.Qa8#
      • 1...c1B
        • 2.Qa8#
      • 1...c1R
        • 2.Qa8#
      • 1...c1S!
    • 1.Qh3?
      • 1...Kb1
        • 2.Qf1#
      • 1...c1Q
        • 2.Qa3#
      • 1...c1B
        • 2.Qa3#
      • 1...c1R
        • 2.Qa3#
      • 1...c1S!
    • 1.Qc5?
      • 1...Kb1
        • 2.Qg1#
      • 1...c1Q
        • 2.Qa7#
      • 1...c1B
        • 2.Qa7#
      • 1...c1R
        • 2.Qa7#
      • 1...c1S!
    • 1.Qd5?
      • 1...Kb1
        • 2.Qh1#
      • 1...c1Q
        • 2.Qa8#
      • 1...c1B
        • 2.Qa8#
      • 1...c1R
        • 2.Qa8#
      • 1...c1S!
    • 1.b6?
      • 1...Kb1
        • 2.Qd1#
      • 1...c1Q
        • 2.Qa5#
      • 1...c1B
        • 2.Qa5#
      • 1...c1R
        • 2.Qa5#
      • 1...c1S!
  • Keys
    • 1.Qg6!
      • 1...Kb1
        • 2.Qg1#
      • 1...c1Q
        • 2.Qa6#
      • 1...c1S
        • 2.Qb1#
      • 1...c1B
        • 2.Qb1#
        • 2.Qa6#
      • 1...c1R
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,P_SPINP(b)::QAR2(G)
  • Tries
    • Try
      • Q(G);
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR(G)
        • P(b);::QAR(G)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR(G)
        • P(b);::QAB(G)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR(G)
        • P(b);::QAR2(G)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR(G)
        • P(b);::QAR(G)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR(G)
        • P(b);::QAB(G)
      • Refutation
        • P(b);
    • Try
      • P(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR2(G)
        • P(b);::QAR(G)
      • Refutation
        • P(b);
  • Actual
    • Q(G);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR(G)
      • P(b);::QAR(G)
      • P(b);OGATE::QAR1(G)
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