MESON Chess Problem Database

Problem Display
PID: 63343 (r1N4n/p6P/5k1P/b2BR3/3B1P2/1n1Q1N1K/1qb4P/2R5 w - - 0 1)

Henry, S

Chess, 1945

r1N4n/p6P/5k1P/b2BR3/3B1P2/1n1Q1N1K/1qb4P/2R5

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Rc6#
    • 1...Bd1
      • 2.Rc6#
      • 2.Qf5#
    • 1...Bxd3
      • 2.Rc6#
    • 1...Be1
      • 2.Qa6#
    • 1...Bd2
      • 2.Qa6#
    • 1...Bc3
      • 2.Qa6#
    • 1...Sg6
      • 2.Rf5#
    • 1...Sf7
      • 2.Re6#
  • Tries
    • 1.Sg5?
      • threat
        • 2.Re6#
      • 1...Bxd3
        • 2.Rc6#
      • 1...Sxd4!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Bh4#
      • 1...Qxe5
        • 2.fxe5#
      • 1...Bxd3
        • 2.Rc6#
      • 1...Be1
        • 2.Qa6#
      • 1...Sg6
        • 2.Rf5#
      • 1...Sf7
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(b);OGATE::R(A)
    • B(b);OGATE,XQ(C)::R(A)
    • B(d);N_GUARD::QAR(C)
    • S(h);SBLOCK::B(F)+R(I),DCHECK
  • Tries
    • Try
      • S(D);
      • Threat
        • B(F)+R(I),DCHECK
      • Vars
        • B(b);OGATE,XQ(C)::R(A)
      • Refutation
        • S(c);XB(F)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • Q(a);OGATE,XR(I)::P(G),XQ(a)
      • B(b);OGATE,XQ(C)::R(A)
      • B(d);N_GUARD::QAR(C)
      • S(h);SBLOCK::R1(I)
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Developed and maintained by Brian Stephenson.
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