MESON Chess Problem Database

Problem Display
PID: 136117 (5R1b/K5nR/1NNk4/2n5/1B6/4PB2/8/8 w - - 0 1)

Hume, Arnold A

The Field, 1917

(First published on Sat Dec 8 1917)

5R1b/K5nR/1NNk4/2n5/1B6/4PB2/8/8

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Rh6#
    • 1...Se6
      • 2.Sc4#
      • 2.Sc8#
      • 2.Rd7#
  • Tries
    • 1.Sd8?
      • 1...Ke5
        • 2.Sc4#
      • 1...Ke7
        • 2.Bxc5#
      • 1...Sf5
        • 2.Sc4#
      • 1...Sh5
        • 2.Sc4#
      • 1...Se6
        • 2.Sc4#
      • 1...Se8
        • 2.Sc4#
      • 1...Kc7!
    • 1.Bd5?
      • 1...Sf5
        • 2.Rd7#
        • 2.Rd8#
      • 1...Sh5
        • 2.Rd7#
        • 2.Rd8#
      • 1...Se6
        • 2.Rd7#
      • 1...Se8
        • 2.Rd7#
      • 1...Kc7!
    • 1.Bxc5+?
      • 1...Ke6
        • 2.Bd5#
        • 2.Rh6#
      • 1...Kc7
        • 2.Rf7#
        • 2.Rc8#
      • 1...Kxc5!
    • 1.Rh6+?
      • 1...Kc7
        • 2.Rc8#
      • 1...Se6!
    • 1.Rf6+?
      • 1...Se6
        • 2.Sc4#
        • 2.Sc8#
        • 2.Rd7#
      • 1...Kc7!
    • 1.Rd8+?
      • 1...Kc7
        • 2.Sa8#
      • 1...Ke6!
  • Keys
    • 1.Sd4!
      • 1...Ke5
        • 2.Sc4#
      • 1...Kc7
        • 2.Sb5#
      • 1...Ke7
        • 2.Bxc5#
      • 1...Sf5
        • 2.Sc4#
      • 1...Sh5
        • 2.Sc4#
      • 1...Se6
        • 2.Sc4#
      • 1...Se8
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(b);N_SPINS(a),P-FLIGHT::R(G)
  • Tries
    • Try
      • S(E);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(D)
        • K(b);S_FLIGHT::B(C),XS(a)
        • S(c);::S(D)
      • Refutation
        • K(b);N_SPINS(a),P_SPINS(c),S_FLIGHT
    • Try
      • B(B);
      • Vars
        • S(c);OGATE::R1(G)
      • Refutation
        • K(b);N_SPINS(a),P_SPINS(c),S_FLIGHT
    • Try
      • B(C);CHECK,XS(a)
      • Refutation
        • K(b);S_FLIGHT,XB(C)
    • Try
      • R(G);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::R1(H)
      • Refutation
        • S(c);
    • Try
      • R(H);CHECK
      • Refutation
        • K(b);N_SPINS(a),P_SPINS(c),S_FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(b);N_SPINS(a),P_SPINS(c),S_FLIGHT::S(D)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::S(D)
      • K(b);N_SPINS(a),P_SPINS(c),S_FLIGHT::S(E)
      • K(b);S_FLIGHT::B(C),XS(a)
      • S(c);::S(D)
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