MESON Chess Problem Database

Problem Display
PID: 80344 (Q7/3R2BK/8/b5p1/1Np5/3p3n/2B1R2n/r1k5 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

The Field, 1944

(First published on Sat Oct 7 1944)

Q7/3R2BK/8/b5p1/1Np5/3p3n/2B1R2n/r1k5

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sa2#
    • 1...Ra2
      • 2.Sxa2#
    • 1...Bxb4
      • 2.Qxa1#
    • 1...Bb6
      • 2.Qxa1#
    • 1...Bc7
      • 2.Qxa1#
    • 1...Bd8
      • 2.Qxa1#
    • 1...dxc2
      • 2.Re1#
    • 1...c3
      • 2.Sxd3#
  • Tries
    • 1.Qh1+?
      • 1...Sf1
        • 2.Qxf1#
      • 1...Sg1!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Bb2#
      • 1...dxc2
        • 2.Re1#
      • 1...c3
        • 2.Sxd3#
      • 1...Rb1
        • 2.Sa2#
      • 1...Ra2
        • 2.Sxa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(a);N_GUARD::S(C)
    • R(a);N_GUARD::S(C),XR(a)
    • B(g);OGATE,XS(C)::QAR2(G),XR(a)
    • B(g);OGATE::QAR2(G),XR(a)
    • P(d);XB(A)::R(B)
    • P(f);N_GUARD::S(C),XP(d)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR(G),XS(c)
      • Refutation
        • S(e);P_SPINS(e)
  • Actual
    • Q(G);
    • Threat
      • B(E)
    • Vars
      • P(d);XB(A)::R(B)
      • P(f);N_GUARD::S(C),XP(d)
      • R(a);N_GUARD::S(C)
      • R(a);N_GUARD::S(C),XR(a)
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