MESON Chess Problem Database

Problem Display
PID: 16390 (6n1/3Q4/3p1p2/4k3/2P5/2Kb1pP1/3PP3/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

6n1/3Q4/3p1p2/4k3/2P5/2Kb1pP1/3PP3/8

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe6#
    • 1...Be4
      • 2.d4#
    • 1...d5
      • 2.Qxd5#
  • Tries
    • 1.Qb5+?
      • 1...Ke4
        • 2.Qd5#
        • 2.exd3#
      • 1...d5
        • 2.Qxd5#
      • 1...Ke6!
  • Keys
    • 1.e4!
      • threat
        • 2.Qf5#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Bxe4
        • 2.d4#
      • 1...f5
        • 2.Qxf5#
      • 1...Sh6
        • 2.Qe8#
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#
      • 1...d5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(F)
    • B(a);OGATE,SBLOCK::P(A)
    • P(d);OGATE::QAR1(F),XP(d)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • P(d);P_SPINP(d)::QAR1(F),XP(d)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • QAR1(F)
    • Vars
      • K(c);P-FLIGHT,XP(B)::QAR2(F)
      • B(a);OGATE,SBLOCK,XP(B)::P(A)
      • P(e);::QAR1(F),XP(e)
      • S(f);N_GUARD::QAR2(F),XS(f)
      • P(d);OGATE::QAR1(F),XP(d)
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