MESON Chess Problem Database

Problem Display
PID: 201796 (8/8/1p6/B2K4/kN6/3Q4/8/8 w - - 0 1)

Abdullayev, Suleyman

ChessStar, 2018

8/8/1p6/B2K4/kN6/3Q4/8/8

#2

4 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kc4?
      • 1...Kxa5
        • 2.Qa3#
      • 1...bxa5
        • 2.Qb3#
      • 1...b5+!
    • 1.Sc2?
      • 1...bxa5
        • 2.Qc4#
      • 1...b5
        • 2.Qa3#
      • 1...Kxa5!
  • Keys
    • 1.Qc4!
      • 1...Ka3
        • 2.Qa2#
      • 1...Kxa5
        • 2.Sc6#
      • 1...bxa5
        • 2.Sc2#
      • 1...b5
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT,XB(C)::QAR2(A)
        • P(b);SBLOCK,XB(C)::QAB1(A)
      • Refutation
        • P(b);CHECK
    • Try
      • S(B);
      • Vars
        • P(b);SBLOCK,XB(C)::QAR2(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);P-FLIGHT,XB(C)::S(B)
      • P(b);SBLOCK,XB(C)::QAR(A)+S(B)
      • P(b);SBLOCK::QAR2(A)
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