MESON Chess Problem Database

Problem Display
PID: 133586 (8/3B2nQ/1pP4p/1ppk4/1PRpR1N1/P5P1/P2K4/8 w - - 0 1)

Hulme, R

The Field, 1961

(First published on Thu Jun 29 1961)

8/3B2nQ/1pP4p/1ppk4/1PRpR1N1/P5P1/P2K4/8

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Se3#
    • 1...cxb4
      • 2.Rexd4#
  • Tries
    • 1.Re5+?
      • 1...Kxc4
        • 2.Qc2#
        • 2.Qd3#
      • 1...Kd6!
    • 1.Qf5+?
      • 1...Kxc4
        • 2.Se3#
      • 1...Kd6
        • 2.Qe5#
      • 1...Sxf5!
    • 1.Qg6?
      • 1...Kxc4
        • 2.Se3#
      • 1...bxc4
        • 2.Re5#
      • 1...cxb4
        • 2.Rexd4#
      • 1...Sf5
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sh5
        • 2.Qe6#
      • 1...Se8
        • 2.Qe6#
      • 1...d3
        • 2.Se3#
      • 1...h5!
  • Keys
    • 1.Qxh6!
      • 1...Kxc4
        • 2.Se3#
      • 1...Kxe4
        • 2.Qh1#
      • 1...bxc4
        • 2.Re5#
      • 1...cxb4
        • 2.Rexd4#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sf5
        • 2.Qe6#
      • 1...Sh5
        • 2.Qe6#
      • 1...Se8
        • 2.Qe6#
      • 1...d3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINP(a),S_FLIGHT,XR(F)::S(H)
    • P(c);N_GUARD,XP(E)::R1(G),XP(a)
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(K);CHECK
      • Vars
        • K(d);P_SPINP(a),S_FLIGHT,XR(F)::S(H)
        • K(d);P-FLIGHT::QAB1(K)
      • Refutation
        • S(g);XQ(K)
    • Try
      • Q(K);
      • Vars
        • K(d);P_SPINP(a),S_FLIGHT,XR(F)::S(H)
        • P(b);SBLOCK,XR(F)::R1(G)
        • P(c);N_GUARD,XP(E)::R1(G),XP(a)
        • S(g);N_GUARD::QAB1(K)
        • S(g);N_GUARD::QAB1(K),XS(g)
        • P(a);N_GUARD::S(H)
      • Refutation
        • P(f);
  • Actual
    • Q(K);XP(f)
    • Vars
      • K(d);P_SPINP(a),S_FLIGHT,XR(F)::S(H)
      • K(d);OGATEB,P_SPINP(a),S_FLIGHT,XR(G)::QAB(K)
      • P(b);SBLOCK,XR(F)::R1(G)
      • P(c);N_GUARD,XP(E)::R1(G),XP(a)
      • S(g);N_GUARD::QAB1(K),XS(g)
      • S(g);N_GUARD::QAB1(K)
      • P(a);N_GUARD::S(H)
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