MESON Chess Problem Database

Problem Display
PID: 148366 (8/p1K5/P7/1ppk4/1PNpp1B1/2B5/4Q3/8 w - - 0 1)

Clutsam, George Howard

British Chess Magazine, 1900

8/p1K5/P7/1ppk4/1PNpp1B1/2B5/4Q3/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Se3#
  • Tries
    • 1.Qd2?
      • 1...Kxc4
        • 2.Be6#
      • 1...bxc4
        • 2.Qg5#
      • 1...cxb4
        • 2.Qxd4#
      • 1...d3
        • 2.Se3#
      • 1...e3!
  • Keys
    • 1.Qe3!
      • 1...Kxc4
        • 2.Be6#
      • 1...dxc3
        • 2.Qxc5#
      • 1...dxe3
        • 2.Sxe3#
      • 1...bxc4
        • 2.Qg5#
      • 1...cxb4
        • 2.Qxd4#
      • 1...d3
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::S(D)
  • Tries
    • Try
      • Q(A);P_PINP(a)
      • Vars
        • K(e);N_SPINP(a),S_FLIGHT,XS(D)::B(E)
        • P(c);SBLOCK,XS(D)::QAR(A)
        • P(d);N_GUARD,XP(C)::QAR1(A),XP(a)
        • P(a);::S(D)
      • Refutation
        • P(b);
  • Actual
    • Q(A);
    • Vars
      • K(e);S_FLIGHT,XS(D)::B(E)
      • P(a);OGATE,XB(B)::QAR1(A),XP(d)
      • P(a);XQ(A)::S(D),XP(a)
      • P(c);SBLOCK,XS(D)::QAR(A)
      • P(d);N_GUARD,XP(C)::QAR1(A),XP(a)
      • P(a);OGATE::QAR1(A),XP(d)
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