MESON Chess Problem Database

Problem Display
PID: 49276 (B6K/8/1Rp1P3/R1N1kP2/1Qp1N1P1/5p2/3P3P/2B5 w - - 0 1)

Anonymous

Huddersfield College Magazine, 1879

B6K/8/1Rp1P3/R1N1kP2/1Qp1N1P1/5p2/3P3P/2B5

#2

13 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Sd3#
  • Tries
    • 1.Sf6?
      • 1...Kd4
        • 2.Bb2#
        • 2.Qc3#
      • 1...Kf4
        • 2.d4#
      • 1...Kd6
        • 2.Sa6#
      • 1...Kxf6
        • 2.Se4#
      • 1...c3
        • 2.Scd7#
      • 1...f2!
    • 1.Sd3+?
      • 1...Kxe4
        • 2.Qxc4#
      • 1...Kd4!
    • 1.Bb2+?
      • 1...Kd5
        • 2.Bxc6#
      • 1...c3
        • 2.Sd3#
      • 1...Kf4!
    • 1.Qc3+?
      • 1...Kd5
        • 2.Bxc6#
      • 1...Kf4!
  • Keys
    • 1.Sf2!
      • 1...Kd4
        • 2.Sb3#
      • 1...Kf4
        • 2.d4#
      • 1...Kd5
        • 2.Sb3#
      • 1...Kd6
        • 2.Sa6#
      • 1...Kf6
        • 2.Sce4#
      • 1...c3
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(b);::R(G)+S(H),DCHECK
  • Tries
    • Try
      • S(E);
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::B(A)+P(B)
        • K(c);P_SPINP(d),S_FLIGHT::QAB(D)+S(H)
        • K(c);S_FLIGHT,XS(E)::S(H)
        • P(b);::R(G)+S(H),DCHECK
      • Refutation
        • P(a);
    • Try
      • S(H);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(b),XS(E)::QAR2(D),XP(b)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(A);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(d)::B(L),XP(d)
        • P(b);P_SPINP(b)::R(G)+S(H),DCHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(d)::B(L),XP(d)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT::S(H)
      • K(c);P_SPINP(b),S_FLIGHT::B(A)+P(B)
      • K(c);P-FLIGHT,P_SPINP(d)::R(G)+S(H)
      • K(c);P_SPINP(d),S_FLIGHT::QAB(D)+S(H)
      • K(c);S_FLIGHT::S(H)
      • P(b);::R(G)+S(H),DCHECK
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