MESON Chess Problem Database

Problem Display
PID: 160385 (5Q2/kP1P4/P7/8/8/K2N4/8/8 w - - 0 1)

Abdullayev, Suleyman

Problemist Ukraini 14. TT, 2015

5Q2/kP1P4/P7/8/8/K2N4/8/8

#2

6 + 1

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5+?
      • 1...Kb8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxa6!
    • 1.Qf2+?
      • 1...Kb8
        • 2.d8Q#
      • 1...Kxa6!
    • 1.d8B?
      • 1...Kb8
        • 2.Bb6#
      • 1...Kxa6!
  • Keys
    • 1.b8S!
      • 1...Kb6
        • 2.Qc5#
      • 1...Ka8
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::QAR(F)+B(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
  • Actual
    • P(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);P-FLIGHT::QAR(F)+S(D)
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