MESON Chess Problem Database

Problem Display
PID: 84665 (8/p3p3/Q3p1P1/2pPP1p1/4k1P1/8/BN2N1P1/5K2 w - - 0 1)

Fillery, William Edmund Frank

LeDroit, 1980

8/p3p3/Q3p1P1/2pPP1p1/4k1P1/8/BN2N1P1/5K2

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qd3#
    • 1...Kxe5
      • 2.Qxe6#
  • Tries
    • 1.Bb1+?
      • 1...Ke3
        • 2.Sc4#
        • 2.Qd3#
      • 1...Kxe5
        • 2.Qxe6#
      • 1...Kxd5!
    • 1.Qc4+?
      • 1...Ke3
        • 2.Qd3#
      • 1...Kxe5!
  • Keys
    • 1.Sc4!
      • 1...Kd3
        • 2.Bb1#
      • 1...Kxd5
        • 2.Qb7#
      • 1...exd5
        • 2.Bb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(a);P-FLIGHT::QAR1(I)
    • K(a);OGATEB,P-FLIGHT,XP(H)::QAR1(I),XP(d)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(H)::QAR1(I),XP(d)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(I)
      • Refutation
        • K(a);P-FLIGHT,XP(H)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);OGATEB,S_FLIGHT,XP(G)::QAB(I)
      • P(d);SBLOCK,XP(G)::B(B)
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