MESON Chess Problem Database

Problem Display
PID: 132119 (8/8/6pB/6PB/5N1k/5p1r/3npP1N/4K2R w - - 0 1)

Rendall, JL

The Field, 1956

(First published on Thu Jan 12 1956)

8/8/6pB/6PB/5N1k/5p1r/3npP1N/4K2R

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh2
      • 2.Rxh2#
    • 1...Rg3
      • 2.Sxf3#
    • 1...Sb1
      • 2.Sxf3#
    • 1...Sf1
      • 2.Sxf3#
    • 1...Sb3
      • 2.Sxf3#
    • 1...Sc4
      • 2.Sxf3#
    • 1...Se4
      • 2.Sxf3#
    • 1...gxh5
      • 2.Sg6#
  • Keys
    • 1.Rg1!
      • threat
        • 2.Rg4#
      • 1...gxh5
        • 2.Sg6#
      • 1...Rg3
        • 2.fxg3#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(d);OGATE,P_SPINR(d),XS(D)::R(B),XR(d)
    • R(d);::R(B)+S(D),DCHECK,XP(c)
    • S(a);N_GUARD::S(D),XP(c)
    • P(f);SBLOCK,XB(G)::S(E)
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • P(f);SBLOCK,XB(G)::S(E)
      • R(d);OGATE::P(C),XR(d)
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