MESON Chess Problem Database

Problem Display
PID: 54279 (8/7b/R5qk/8/3B4/6Q1/8/6K1 w - - 0 1)

Pelle, Charles

Panorama, 1943

8/7b/R5qk/8/3B4/6Q1/8/6K1

#2

4 + 3

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1952

SOLUTION

  • SOUND
  • Sets
    • 1...Bg8
      • 2.Qxg6#
  • Tries
    • 1.Rxg6+?
      • 1...Kh5
        • 2.Qg4#
        • 2.Qg5#
      • 1...Bxg6!
  • Keys
    • 1.Qg4!
      • 1...Qxa6
        • 2.Be3#
        • 2.Bg7#
      • 1...Bg8
        • 2.Qxg6#
      • 1...Qb6
        • 2.Be3#
      • 1...Qc6
        • 2.Be3#
        • 2.Bg7#
      • 1...Qd6
        • 2.Be3#
        • 2.Bg7#
      • 1...Qe6
        • 2.Be3#
        • 2.Bg7#
      • 1...Qf6
        • 2.Be3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::QAR1(B),XQ(a)
  • Tries
    • Try
      • R(D);CHECK,N_SPINQ(B),XQ(a)
      • Refutation
        • B(c);XR(D)
  • Actual
    • Q(B);
    • Vars
      • B(c);N_GUARD::QAR1(B),XQ(a)
      • Q(a);N_PINQ(B),P_PINB(C)::B(C)
      • Q(a);N_PINQ(B)::B(C)
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