MESON Chess Problem Database

Problem Display
PID: 4999 (1B1r4/2N2n2/3pr1p1/4R2b/3k3N/3Pp1K1/2P3Q1/4R3 w - - 0 1)

Locock, Charles Dealtry

Northern Whig, 1896

1B1r4/2N2n2/3pr1p1/4R2b/3k3N/3Pp1K1/2P3Q1/4R3

#2

9 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6?
      • threat
        • 2.Rd5#
      • 1...Kxe5
        • 2.Qc3#
      • 1...Rxe5
        • 2.Qc4#
      • 1...Sxe5
        • 2.Sb5#
        • 2.Sxe6#
        • 2.Ba7#
      • 1...dxe5
        • 2.Sb5#
        • 2.Sxe6#
        • 2.Ba7#
        • 2.Qc4#
      • 1...Bf3
        • 2.Sxf3#
      • 1...d5
        • 2.Sb5#
        • 2.Sxe6#
      • 1...e2!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Rd5#
      • 1...Kxe5
        • 2.Qc3#
      • 1...Rxe5
        • 2.Qb4#
      • 1...Sxe5
        • 2.Ba7#
      • 1...exd2
        • 2.Sb5#
      • 1...dxe5
        • 2.Qb4#
      • 1...d5
        • 2.Sxe6#
      • 1...Bf3
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • R1(G)
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT,XR(G)::QAB(C)
        • R(e);SBLOCK,XR(G)::QAR1(C)
        • B(c);N_GUARD::S(F),XB(c)
      • Refutation
        • P(a);
  • Actual
    • Q(C);
    • Threat
      • R1(G)
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT,XR(G)::QAB(C)
      • R(e);SBLOCK,XR(G)::QAR2(C)
      • S(g);SBLOCK,XR(G)::B(I)
      • P(a);XQ(C)::S(H)
      • P(d);SBLOCK,XR(G)::QAR2(C)
      • P(d);::S(H),XR(e)
      • B(c);N_GUARD::S(F),XB(c)
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