MESON Chess Problem Database

Problem Display
PID: 96884 (3N3B/4p3/qrp3RK/br1PPP2/1p1kN3/1Pp5/2P2P2/4R3 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

3N3B/4p3/qrp3RK/br1PPP2/1p1kN3/1Pp5/2P2P2/4R3

#2

12 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Se6#
    • 1...cxd5
      • 2.e6#
  • Tries
    • 1.Rd6?
      • threat
        • 2.Se6#
        • 2.e6#
      • 1...Qc8
        • 2.e6#
      • 1...e6
        • 2.Sxe6#
      • 1...exd6!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Rd1#
      • 1...cxd5+
        • 2.e6#
      • 1...c5+
        • 2.Sf6#
      • 1...Kxd5
        • 2.Rd1#
      • 1...Rxd5
        • 2.Se6#
      • 1...Rc5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK,XP(F)::S(K)
    • P(h);P_PINR(I),SBLOCK,XP(F)::B(L)+P(G)
  • Tries
    • Try
      • R(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(f);::B(L)+P(G)
        • P(i);::S(K),XP(i)
      • Refutation
        • P(i);XR(I)
  • Actual
    • R(I);
    • Threat
      • R(A)
    • Vars
      • P(h);CHECK,SBLOCK,XP(F)::B(L)+P(G)
      • P(h);CHECK,SBLOCK::R(I)+S(E)
      • K(c);P-FLIGHT,XP(F)::R(A)
      • R(e);SBLOCK,XP(F)::S(K)
      • R(e);SBLOCK::R(I)+S(E)
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