MESON Chess Problem Database

Problem Display
PID: 17301 (8/1r6/3PNkPP/R7/b2N3K/5p1p/7r/BB6 w - - 0 1)

Holladay, Edgar Dinwiddie

4th Comm., American Chess Bulletin, 1945

8/1r6/3PNkPP/R7/b2N3K/5p1p/7r/BB6

#2

9 + 6

14773 The Best American Chess Problems of 1946 1948
5064 100 Years of the American Two-move Chess Problem 1962
6232 Holladay Chess Problems 2007
56 The Problemist 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sh5#
        • 2.Rf5#
      • 1...Rxb1
        • 2.Rf5#
      • 1...Bb5
        • 2.Sde2#
      • 1...Rc2
        • 2.Rf5#
      • 1...Bc2
        • 2.Sb3#
      • 1...Bd7
        • 2.Sh5#
      • 1...Rb5!
  • Keys
    • 1.Sf8!
      • threat
        • 2.Rf5#
      • 1...Rb5
        • 2.Sd7#
      • 1...Bb5
        • 2.Se2#
      • 1...Bc2
        • 2.Sb3#
      • 1...Bd7
        • 2.Sh7#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);XB(B)::R1(E)
        • B(d);S_CUTR(f)::B(A)+S(C)
        • R(a);::R1(E)
        • B(d);S_CUTR(a)::B(A)+S(C)
        • B(d);::S(G)
      • Refutation
        • R(f);
  • Actual
    • S(G);
    • Threat
      • R1(E)
    • Vars
      • R(f);N_GUARD,S_CUTB(d)::S(G)
      • B(d);S_CUTR(f)::B(A)+S(C)
      • B(d);S_CUTR(a)::B(A)+S(C)
      • B(d);S_CUTR(f)::S(G)
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