MESON Chess Problem Database

Problem Display
PID: 236491 (3K3k/7P/5PP1/7n/8/5Q2/8/8 w - - 0 1)

Abdullayev, Suleyman

SuperProblem, 2019

3K3k/7P/5PP1/7n/8/5Q2/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sxf6
      • 2.Qxf6#
  • Tries
    • 1.Kc7?
      • threat
        • 2.Qa8#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sg7!
    • 1.Kd7?
      • threat
        • 2.Qa8#
      • 1...Sxf6+
        • 2.Qxf6#
      • 1...Sg7!
    • 1.Ke7?
      • threat
        • 2.Qa8#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sg7!
    • 1.Qc6?
      • threat
        • 2.Qe8#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sg7!
    • 1.Qb7?
      • 1...Sg7
        • 2.Qxg7#
        • 2.fxg7#
      • 1...Sg3
        • 2.Qg7#
      • 1...Sf4
        • 2.Qg7#
      • 1...Sxf6!
    • 1.Qf5?
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sg3
        • 2.g7#
      • 1...Sf4
        • 2.g7#
      • 1...Sg7!
    • 1.f7?
      • threat
        • 2.f8Q#
      • 1...Sg7
        • 2.f8Q#
        • 2.f8R#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Kg7!
  • Keys
    • 1.Qc3!
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sg7
        • 2.fxg7#
      • 1...Sg3
        • 2.f7#
      • 1...Sf4
        • 2.f7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE,XP(B)::QAB(A),XS(a)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • S(a);OGATE,XP(B)::QAB(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • S(a);CHECK,OGATE,XP(B)::QAB(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • K(E);S_FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • S(a);OGATE,XP(B)::QAB(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • S(a);OGATE,XP(B)::QAB(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Vars
        • S(a);N_GUARD::QAB1(A)
      • Refutation
        • S(a);XP(B)
    • Try
      • Q(A);
      • Vars
        • S(a);OGATE,XP(B)::QAB(A),XS(a)
        • S(a);N_GUARD::P(C)
      • Refutation
        • S(a);
    • Try
      • P(B);
      • Threat
        • P=Q
      • Vars
        • S(a);::P=Q
        • S(a);N_GUARD::QAB(A),XS(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • S(a);OGATE,P_SPINS(a),XP(B)::QAB(A),XS(a)
      • S(a);OGATE::P(B),XS(a)
      • S(a);N_GUARD::QAB(A)+P(B)
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