MESON Chess Problem Database

Problem Display
PID: 62879 (2n5/3K4/1p6/4k1B1/1QP4N/8/3N4/b3r3 w - - 0 1)

Gledhill, Walter

1st Prize, Yorkshire Ty., 1888

2n5/3K4/1p6/4k1B1/1QP4N/8/3N4/b3r3

#2

6 + 5

15 British Chess Magazine 1888
15 British Chess Magazine 1911
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sdf3#
    • 1...Bb2
      • 2.Qxb2#
    • 1...Bc3
      • 2.Qxc3#
    • 1...Sd6
      • 2.Qxd6#
    • 1...Sa7
      • 2.Qd6#
    • 1...Se7
      • 2.Qd6#
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Qxb6?
      • threat
        • 2.Qc5#
        • 2.Qf6#
      • 1...Rf1
        • 2.Qe3#
        • 2.Qc5#
      • 1...Bd4
        • 2.Qe6#
        • 2.Qf6#
      • 1...Sd6
        • 2.Qc5#
        • 2.Qxd6#
      • 1...Se7
        • 2.Qd6#
        • 2.Qf6#
      • 1...Sxb6+!
  • Keys
    • 1.Qa3!
      • 1...Kd4
        • 2.Shf3#
      • 1...Rb1
        • 2.Qe3#
      • 1...Rc1
        • 2.Qe3#
      • 1...Rd1
        • 2.Qe3#
      • 1...Rf1
        • 2.Qe3#
      • 1...Rg1
        • 2.Qe3#
      • 1...Rh1
        • 2.Qe3#
      • 1...Re2
        • 2.Qxa1#
      • 1...Re3
        • 2.Qxe3#
      • 1...Re4
        • 2.Sdf3#
      • 1...Bb2
        • 2.Qxb2#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Bd4
        • 2.Qg3#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sa7
        • 2.Qd6#
      • 1...Se7
        • 2.Qd6#
      • 1...b5
        • 2.Qc5#

This anticipates 122244(1903)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::S(A)
    • B(a);N_GUARD::QAB(B),XB(a)
    • S(e);N_GUARD::QAB1(B),XS(e)
    • S(e);N_GUARD::QAB1(B)
    • P(d);N_GUARD::QAR2(B)
  • Tries
    • Try
      • Q(B);XP(d)
      • Threat
        • DUALS(2)
      • Refutation
        • S(e);CHECK,XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(c);S_FLIGHT::S(D)
      • R(b);N_GUARD::QAR2(B)
      • R(b);N_GUARD,P_PINS(A)::QAR2(B)
      • R(b);N_GUARD::QAB(B),XB(a)
      • R(b);N_GUARD::QAR2(B),XR(b)
      • R(b);SBLOCK::S(A)
      • B(a);N_GUARD::QAB(B),XB(a)
      • B(a);SBLOCK::QAB(B)
      • S(e);N_GUARD::QAB1(B),XS(e)
      • S(e);N_GUARD::QAB1(B)
      • P(d);N_GUARD::QAR2(B)
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