MESON Chess Problem Database

Problem Display
PID: 16421 (5b2/2R1Nkp1/5q2/3K2P1/7B/1B1N4/5Q2/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

5b2/2R1Nkp1/5q2/3K2P1/7B/1B1N4/5Q2/8

#2

8 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • threat
        • 2.Se5#
        • 2.g6#
      • 1...Qf3+
        • 2.Qxf3#
      • 1...Qf5+
        • 2.Se5#
        • 2.Qxf5#
      • 1...g6
        • 2.Qxf6#
      • 1...Bxe7!
  • Keys
    • 1.Rc8!
      • 1...Qf3+
        • 2.Kd6#
      • 1...Qf5+
        • 2.Kd6#
      • 1...Kxe7
        • 2.Qa7#
      • 1...Qxf2
        • 2.Kd6#
        • 2.g6#
      • 1...Bxe7
        • 2.Se5#
      • 1...g6
        • 2.Qxf6#
      • 1...Qf4
        • 2.g6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);CHECK,OGATEB::QAR(A),XQ(a)
        • P(c);N_GUARD::QAR1(A),XQ(a)
      • Refutation
        • B(d);P_SPINB(d),XS(H)
  • Actual
    • R(G);
    • Vars
      • Q(a);CHECK::B(B)+K(E)
      • K(b);N_SPINQ(a),OGATEB,P-FLIGHT,XS(H)::QAR(A)
      • B(d);SBLOCK,XS(H)::S(C)
      • P(c);N_GUARD::QAR1(A),XQ(a)
      • Q(a);::P(F)
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