MESON Chess Problem Database

Problem Display
PID: 72304 (6BB/8/K4R2/8/3Pk3/2pr2pN/3pbp2/1Q6 w - - 0 1)

Fillery, William Edmund Frank

Chess, 1953

6BB/8/K4R2/8/3Pk3/2pr2pN/3pbp2/1Q6

#2

7 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Qb7+?
      • 1...Ke3
        • 2.Re6#
      • 1...Kxd4!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kxd4
        • 2.Re6#
      • 1...Rxd4
        • 2.Qxe2#
      • 1...Re3
        • 2.Rf4#
      • 1...Rf3
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,N_PINR(e)
      • Vars
        • K(g);P-FLIGHT::R(E)
      • Refutation
        • K(g);P-FLIGHT,XP(C)
  • Actual
    • Q(A);N_PINR(e)
    • Threat
      • QAR1(A)
    • Vars
      • K(g);P-FLIGHT::QAR2(A)
      • K(g);P-FLIGHT,XP(C)::B(G)+R(E)
      • R(e);OGATE,P_PINQ(A),SBLOCK,XP(C)::QAR2(A),XB(b)
      • R(e);P_PINQ(A),SBLOCK::R1(E)
      • R(e);P_PINQ(A),SBLOCK::R(E)
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