MESON Chess Problem Database

Problem Display
PID: 44161 (1BQ2R2/1p6/1P1nrbp1/R2pk1rb/3N2n1/1K3P1B/6N1/8 w - - 0 1)

Finlinson, Joseph Henry Scott

The Westminster Papers, 1877

1BQ2R2/1p6/1P1nrbp1/R2pk1rb/3N2n1/1K3P1B/6N1/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qc3#
  • Tries
    • 1.Sc6+?
      • 1...Kf5
        • 2.Rxd5#
      • 1...bxc6!
    • 1.Bxd6+?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kxd6
        • 2.Qxe6#
        • 2.Qc7#
      • 1...Rxd6!
    • 1.Qxb7?
      • threat
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...Se3
        • 2.Sc6#
      • 1...Kxd4!
    • 1.Qc1?
      • threat
        • 2.Qf4#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Rf5!
    • 1.Qc2?
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Sf2!
  • Keys
    • 1.Sf5!
      • 1...Kxf5
        • 2.Rxd5#
      • 1...Rxf5
        • 2.Qc3#
      • 1...gxf5
        • 2.Qc3#
      • 1...Re7
        • 2.Bxd6#
      • 1...Re8
        • 2.Bxd6#
      • 1...Be7
        • 2.Qc3#
      • 1...Bg7
        • 2.Qc3#
      • 1...Bd8
        • 2.Qc3#
      • 1...Bh8
        • 2.Qc3#
      • 1...Sf2
        • 2.Qc3#
      • 1...Sh2
        • 2.Qc3#
      • 1...Se3
        • 2.Qc3#
      • 1...Sh6
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 1
  • Sets
    • K(c);N_SPINP(b),N_SPINS(f),OGATEB,S_FLIGHT,XS(E)::QAB1(I)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);N_SPINS(f),P-FLIGHT,P_SPINB(h),P_SPINR(g),P_SPINS(a)::R(F),XP(b)
      • Refutation
        • P(j);XS(E)
    • Try
      • B(H);CHECK,XS(f)
      • Vars
        • K(c);N_SPINP(b),S_FLIGHT,XS(E)::QAB1(I)
      • Refutation
        • R(g);XB(H)
    • Try
      • Q(I);XP(j)
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::S(E)
      • Refutation
        • K(c);N_SPINP(b),N_SPINS(f),S_FLIGHT,XS(E)
    • Try
      • Q(I);
      • Threat
        • QAB1(I)
      • Vars
        • K(c);N_SPINP(b),N_SPINS(f),OGATEB,S_FLIGHT,XS(E)::QAB1(I)
        • S(a);N_GUARD::QAR2(I),XS(a)
      • Refutation
        • R(d);
    • Try
      • Q(I);
      • Threat
        • QAR1(I)
      • Vars
        • K(c);N_SPINP(b),N_SPINS(f),OGATEB,S_FLIGHT,XS(E)::QAB1(I)
      • Refutation
        • S(a);
  • Actual
    • S(E);
    • Vars
      • K(c);N_SPINS(f),P-FLIGHT,P_SPINB(h),P_SPINR(g),P_SPINS(a),XS(E)::R(F),XP(b)
      • R(d);SBLOCK,XS(E)::QAB(I)
      • P(i);SBLOCK,XS(E)::QAB(I)
      • R(g);N_GUARD::B(H),XS(f)
      • B(h);::QAB(I)
      • S(a);::QAB(I)
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