MESON Chess Problem Database

Problem Display
PID: 70573 (5R1B/4p3/4Bpp1/2Q5/2P1k1Pp/7P/3K4/3n3N w - - 0 1)

Branch, William Shelley

Source?, 0000

5R1B/4p3/4Bpp1/2Q5/2P1k1Pp/7P/3K4/3n3N

#2

9 + 6

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Qe3#
    • 1...Sf2
      • 2.Qe3#
    • 1...Sc3
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
  • Tries
    • 1.Rxf6?
      • threat
        • 2.Qd5#
      • 1...Sc3
        • 2.Sf2#
        • 2.Qe3#
      • 1...Se3
        • 2.Sf2#
        • 2.Qxe3#
      • 1...exf6!
    • 1.Qd4+?
      • 1...Kf3
        • 2.Bd5#
      • 1...Kxd4!
    • 1.Qf5+?
      • 1...Kd4
        • 2.Rd8#
        • 2.Qd5#
      • 1...gxf5!
  • Keys
    • 1.Qg5!
      • 1...Kf3
        • 2.Bd5#
      • 1...Kd4
        • 2.Qd5#
      • 1...fxg5
        • 2.Bd5#
      • 1...Sb2
        • 2.Qe3#
      • 1...Sf2
        • 2.Qe3#
      • 1...Sc3
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...f5
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR1(F)
    • S(a);N_GUARD::QAR1(F),XS(a)
  • Tries
    • Try
      • R(H);XP(d)
      • Threat
        • QAB1(F)
      • Refutation
        • P(f);XR(H)
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);P_SPINP(d),S_FLIGHT::B(G)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(d),XQ(F)
    • Try
      • Q(F);CHECK
      • Refutation
        • P(e);XQ(F)
  • Actual
    • Q(F);
    • Vars
      • K(b);P_SPINP(d),S_FLIGHT::B(G)
      • K(b);P-FLIGHT,P_SPINP(d)::QAR1(F)
      • P(d);XQ(F)::B(G)
      • S(a);N_GUARD::QAR1(F)
      • S(a);N_GUARD::QAR1(F),XS(a)
      • P(d);::B(G)
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