MESON Chess Problem Database

Problem Display
PID: 96814 (Kn5B/4p3/p1n1k2N/5R2/1N2p3/1r5B/Q5p1/b2r1q2 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

Kn5B/4p3/p1n1k2N/5R2/1N2p3/1r5B/Q5p1/b2r1q2

#2

7 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Rxf1#
      • 2.Rf2#
      • 2.Rf3#
      • 2.Rf4#
      • 2.Re5#
    • 1...Be5
      • 2.Rf6#
    • 1...Se5
      • 2.Rf6#
  • Keys
    • 1.Rd5+!
      • 1...Qf5
        • 2.Bxf5#
      • 1...Rxh3
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(a);SBLOCK::B(B)+R(D),DCHECK
    • S(h);SBLOCK::B(B)+R(D),DCHECK
  • Actual
    • R(D);CHECK,N_PINR(e)
    • Vars
      • Q(c);N_GUARD,P_SPINQ(c)::B(B),XQ(c)
      • R(e);S_CUTQ(c),XB(B)::QAB(A)+R(D)
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