MESON Chess Problem Database

Problem Display
PID: 54203 (1B6/8/2prp3/8/Np1kP2K/1P6/2n2R2/2R1N1Q1 w - - 0 1)

Rowland, Thomas B

British Chess Magazine, 1882

1B6/8/2prp3/8/Np1kP2K/1P6/2n2R2/2R1N1Q1

#2

9 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rf4+?
      • 1...Ke5
        • 2.Sd3#
      • 1...Se3!
    • 1.Rf5+?
      • 1...Se3
        • 2.Rc4#
      • 1...Kxe4!
  • Keys
    • 1.Sc5!
      • 1...Kc3
        • 2.Rfxc2#
      • 1...Ke3
        • 2.Sxc2#
      • 1...Kxc5
        • 2.Rf5#
      • 1...Ke5
        • 2.Qg7#
      • 1...Sxe1
        • 2.Rf5#
      • 1...Rd5
        • 2.Rfxc2#
      • 1...Rd7
        • 2.Rfxc2#
      • 1...Rd8
        • 2.Rfxc2#
      • 1...Sa1
        • 2.Rf5#
      • 1...Sa3
        • 2.Rf5#
      • 1...Se3
        • 2.Sf3#
      • 1...e5
        • 2.Rfxc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);P_SPINR(e),S_FLIGHT::S(B)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • R(D);CHECK
      • Vars
        • S(a);OGATE,P_SPINS(a)::R1(A)
      • Refutation
        • K(c);P-FLIGHT,XP(G)
  • Actual
    • S(F);
    • Vars
      • K(c);P_SPINS(a),S_FLIGHT::R1(D),XS(a)
      • K(c);S_FLIGHT::S(B),XS(a)
      • K(c);P_SPINS(a),S_FLIGHT,XS(F)::QAB(C)+R(D),DCHECK
      • K(c);P_SPINR(e),S_FLIGHT::QAB(C)
      • S(a);N_GUARD,XS(B)::QAB(C)+R(D)
      • R(e);::QAB(C)+R(D),XS(a)
      • S(a);N_GUARD::QAB(C)+R(D)
      • S(a);SBLOCK::S(B)
      • P(f);SBLOCK::QAB(C)+R(D),XS(a)
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