MESON Chess Problem Database

Problem Display
PID: 263098 (6nk/8/2Q1K2P/8/3p4/3B4/8/8 w - - 0 1)

Abdullayev, Suleyman

Comm., SuperProblem, 2020

6nk/8/2Q1K2P/8/3p4/3B4/8/8

#2

4 + 3

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qb7?
      • threat
        • 2.Qg7#
        • 2.Qh7#
      • 1...Sxh6
        • 2.Qh7#
      • 1...Sf6
        • 2.Qg7#
      • 1...Se7!
    • 1.Qd7?
      • threat
        • 2.Qg7#
        • 2.Qh7#
      • 1...Sxh6
        • 2.Qh7#
      • 1...Sf6
        • 2.Qg7#
      • 1...Se7!
    • 1.Qc7?
      • threat
        • 2.Qg7#
        • 2.Qh7#
      • 1...Sxh6
        • 2.Qh7#
      • 1...Sf6
        • 2.Qg7#
      • 1...Se7!
  • Keys
    • 1.Kf7!
      • 1...Sxh6+
        • 2.Qxh6#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Se7
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XP(D)::QAR1(B)
        • S(b);::QAB1(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XP(D)::QAR1(B)
        • S(b);::QAB1(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XP(D)::QAR1(B)
        • S(b);::QAB1(B)
      • Refutation
        • S(b);
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • S(b);CHECK,OGATE,XP(D)::QAR2(B),XS(b)
      • S(b);N_GUARD::QAB(B),XS(b)
      • S(b);N_GUARD::QAB(B)
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