MESON Chess Problem Database

Problem Display
PID: 18601 (8/b1Q1R3/8/3p1B2/3k4/3p1p1p/rr1N1K2/B1n3n1 w - - 0 1)

Warton, Joseph John

Chess, 1957

8/b1Q1R3/8/3p1B2/3k4/3p1p1p/rr1N1K2/B1n3n1

#2

6 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Bxb2#
    • 1...Ra5
      • 2.Bxb2#
    • 1...Ra6
      • 2.Bxb2#
    • 1...Bc5
      • 2.Qe5#
    • 1...Sce2
      • 2.Sb3#
    • 1...Sge2
      • 2.Sxf3#
  • Tries
    • 1.Rg7?
      • threat
        • 2.Rg4#
      • 1...Sce2
        • 2.Sb3#
      • 1...Sge2
        • 2.Sxf3#
      • 1...Bc5!
  • Keys
    • 1.Rh7!
      • threat
        • 2.Rh4#
      • 1...Bc5
        • 2.Qg7#
      • 1...Sce2
        • 2.Sb3#
      • 1...Sge2
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::B(A),XR(d)
    • B(j);SBLOCK::QAB1(E)
    • S(a);N_PINS(B)::S(B)
    • S(b);N_PINS(B)::S(B),XP(f)
  • Tries
    • Try
      • R(F);
      • Threat
        • R(F)
      • Vars
        • S(a);N_PINS(B)::S(B)
        • S(b);N_PINS(B)::S(B),XP(f)
      • Refutation
        • B(j);
  • Actual
    • R(F);
    • Threat
      • R(F)
    • Vars
      • B(j);SBLOCK::QAB(E)
      • S(a);N_PINS(B)::S(B)
      • S(b);N_PINS(B)::S(B),XP(f)
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