MESON Chess Problem Database

Problem Display
PID: 157632 (8/1p3K2/1p6/1p1kN3/1PNp1Qp1/6P1/2P5/8 w - - 0 1)

Meyer, Max Julius

Sheffield Independent, 1888

(First published on Sat Jul 14 1888)

8/1p3K2/1p6/1p1kN3/1PNp1Qp1/6P1/2P5/8

#2

7 + 6

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6?
      • 1...Kc6
        • 2.Qd6#
      • 1...bxc4
        • 2.Se7#
      • 1...d3
        • 2.Se7#
      • 1...Kxc4!
    • 1.Qf5?
      • 1...d3
        • 2.Qxd3#
      • 1...bxc4!
    • 1.c3?
      • threat
        • 2.Qxd4#
      • 1...d3
        • 2.Qd4#
      • 1...dxc3!
  • Keys
    • 1.Sc6!
      • 1...Kxc4
        • 2.Qxd4#
      • 1...Kxc6
        • 2.Qd6#
      • 1...bxc4
        • 2.Se7#
      • 1...bxc6
        • 2.Sxb6#
      • 1...d3
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • K(d);S_FLIGHT::QAR1(E)
        • P(c);SBLOCK,XS(D)::S(F)
        • P(a);::S(F)
      • Refutation
        • K(d);P_SPINP(a),S_FLIGHT,XS(D)
    • Try
      • Q(E);
      • Vars
        • P(a);OGATEB::QAR2(E),XP(a)
      • Refutation
        • P(c);XS(D)
    • Try
      • P(A);
      • Threat
        • QAR1(E),XP(a)
      • Vars
        • P(a);::QAR1(E)
      • Refutation
        • P(a);XP(A)
  • Actual
    • S(F);
    • Vars
      • K(d);P_SPINP(a),S_FLIGHT,XS(D)::QAR1(E),XP(a)
      • K(d);S_FLIGHT,XS(F)::QAR1(E)
      • P(c);SBLOCK,XS(D)::S(F)
      • P(f);SBLOCK,XS(F)::S(D),XP(e)
      • P(a);::S(F)
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