MESON Chess Problem Database

Problem Display
PID: 96829 (3nr2R/5B2/7N/5n2/4P1R1/4P1P1/1b3K2/6Bk w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

3nr2R/5B2/7N/5n2/4P1R1/4P1P1/1b3K2/6Bk

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sxf5#
    • 1...Sxe3
      • 2.Rh4#
    • 1...Sxg3
      • 2.Rh4#
    • 1...Sd4
      • 2.Sg8#
      • 2.Rh4#
    • 1...Sh4
      • 2.Rxh4#
    • 1...Sd6
      • 2.Rh4#
    • 1...Sxh6
      • 2.Rh4#
      • 2.Rxh6#
    • 1...Se7
      • 2.Rh4#
    • 1...Sg7
      • 2.Rh4#
  • Tries
    • 1.Sxf5+?
      • 1...Bxh8
        • 2.Rh4#
      • 1...Rxh8!
    • 1.Sg8+?
      • 1...Sh4
        • 2.Rgxh4#
        • 2.Rhxh4#
      • 1...Sh6
        • 2.Rh4#
        • 2.Rxh6#
      • 1...Bxh8!
  • Keys
    • 1.Bd5!
      • threat
        • 2.e5#
      • 1...Rxe4
        • 2.Bxe4#
      • 1...Sxe3
        • 2.Rh4#
      • 1...Sxg3
        • 2.Rh4#
      • 1...Re5
        • 2.Sxf5#
      • 1...Be5
        • 2.exf5#
      • 1...Sd4
        • 2.Sg8#
        • 2.Rh4#
      • 1...Sh4
        • 2.Rxh4#
      • 1...Sd6
        • 2.Rh4#
      • 1...Se7
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(e);N_GUARD,S_CUTB(b)::R(I)+S(G),XS(c)
    • S(c);N_GUARD,XP(C)::R(F)
    • S(c);N_GUARD,XP(D)::R(F)
    • S(c);N_GUARD::R(F),XS(c)
    • S(c);N_GUARD::R(F)
  • Tries
    • Try
      • S(G);CHECK,XS(c)
      • Vars
        • B(b);XR(I)::R(F)
      • Refutation
        • R(e);XR(I)
    • Try
      • S(G);CHECK
      • Refutation
        • B(b);XR(I)
  • Actual
    • B(H);
    • Threat
      • B(H)+P(E)
    • Vars
      • R(e);OGATE,P_SPINR(e),XP(E)::B(H),XR(e)
      • S(c);N_GUARD,XP(C)::R(F)
      • S(c);N_GUARD,XP(D)::R(F)
      • R(e);N_GUARD,S_CUTB(b)::R(I)+S(G),XS(c)
      • B(b);S_CUTR(e)::B(H)+P(E),XS(c)
      • S(c);N_GUARD::R(F),XS(c)
      • S(c);N_GUARD::R(F)
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