MESON Chess Problem Database

Problem Display
PID: 70600 (1Q6/7B/3Pp2B/1P6/2pk2N1/2R2R2/8/K7 w - - 0 1)

Pierce, William Timbrell

Source?, 0000

1Q6/7B/3Pp2B/1P6/2pk2N1/2R2R2/8/K7

#2

9 + 3

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Tries
    • 1.Qh8+?
      • 1...Kd5
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...Kc5!
    • 1.d7?
      • threat
        • 2.Qe5#
        • 2.Qd6#
      • 1...Kd5
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
        • 2.Qd6#
      • 1...Kc5!
  • Keys
    • 1.Se3!
      • 1...Kxc3
        • 2.Sc2#
      • 1...Kc5
        • 2.Rxc4#
      • 1...Ke5
        • 2.Bg7#
      • 1...e5
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(I)
        • P(c);P_SPINP(c)::QAB1(I),XP(c)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • P(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR1(I)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(b);S_FLIGHT,XR(B)::R(C)+S(D)
      • K(b);P_SPINP(a),S_FLIGHT::R1(B),XP(a)
      • K(b);S_FLIGHT::B(G)
      • P(c);SBLOCK::R1(B),XP(a)
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