MESON Chess Problem Database

Problem Display
PID: 77456 (2B2nk1/8/7K/6N1/8/6R1/8/7Q w - - 0 1)

Abdullayev, Suleyman

Pershoveresen, 1993

(First published on Fri Jan 1 1993)

2B2nk1/8/7K/6N1/8/6R1/8/7Q

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kh8
      • 2.Sf7#
  • Tries
    • 1.Be6+?
      • 1...Kh8
        • 2.Sf7#
        • 2.Qa1#
      • 1...Sxe6!
    • 1.Qd5+?
      • 1...Kh8
        • 2.Sf7#
      • 1...Se6!
  • Keys
    • 1.Qa8!
      • 1...Kh8
        • 2.Sf7#
      • 1...Se6
        • 2.Bxe6#
      • 1...Sg6
        • 2.Be6#
      • 1...Sd7
        • 2.Bxd7#
      • 1...Sh7
        • 2.Be6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::S(C)
  • Tries
    • Try
      • B(E);CHECK
      • Refutation
        • S(a);XB(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::S(C)
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT::S(C)
      • S(a);::QAR(A)+B(E),DCHECK,XS(a)
      • S(a);::QAR(A)+B(E),DCHECK
      • S(a);OGATEB::QAR(A)+B(E),XS(a)
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