MESON Chess Problem Database

Problem Display
PID: 143204 (8/1R6/1Pp2Q2/2Pk3N/2p3P1/K5P1/8/8 w - - 0 1)

Williams, Philip Hamilton

British Chess Magazine, 1893

8/1R6/1Pp2Q2/2Pk3N/2p3P1/K5P1/8/8

#2

8 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qe5#
  • Tries
    • 1.Sf4+?
      • 1...Kxc5
        • 2.Qe5#
      • 1...Ke4!
    • 1.Rd7+?
      • 1...Ke4
        • 2.Qf4#
      • 1...Kxc5!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Sf4#
        • 2.Sg7#
        • 2.Qe4#
        • 2.Qd6#
      • 1...Kxd4!
    • 1.Qf4?
      • 1...Kxc5
        • 2.Qe5#
      • 1...Ke6
        • 2.Qd6#
        • 2.Qe4#
        • 2.Qf5#
      • 1...c3!
  • Keys
    • 1.Qc3!
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxc5
        • 2.Qe5#
      • 1...Ke6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,XP(D)::QAR2(G)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(D)::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);P-FLIGHT,XP(D)
    • Try
      • Q(G);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(G)
    • Try
      • Q(G);
      • Vars
        • K(b);P-FLIGHT,XP(D)::QAR2(G)
      • Refutation
        • P(a);
  • Actual
    • Q(G);
    • Vars
      • K(b);S_FLIGHT::S(E)
      • K(b);P-FLIGHT,P_SPINP(a),XP(D)::QAR2(G)
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