MESON Chess Problem Database

Problem Display
PID: 70242 (8/8/3N3B/1B2pp1K/8/2P2k2/Q4PbR/6n1 w - - 0 1)

Guest, Francis Hubert

Source?, 0000

8/8/3N3B/1B2pp1K/8/2P2k2/Q4PbR/6n1

#2

8 + 5

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Qxe2#
    • 1...Sh3
      • 2.Qe2#
  • Tries
    • 1.Rh3+?
      • 1...Sxh3
        • 2.Qe2#
      • 1...Bxh3!
    • 1.Qd5+?
      • 1...e4
        • 2.Qxf5#
      • 1...Kxf2!
    • 1.Qg8?
      • threat
        • 2.Qxg2#
        • 2.Qg3#
      • 1...Bf1
        • 2.Qg3#
      • 1...Bh1
        • 2.Qg3#
      • 1...Bh3
        • 2.Qg3#
      • 1...Se2
        • 2.Qxg2#
      • 1...f4
        • 2.Qxg2#
      • 1...Kxf2!
  • Keys
    • 1.Se4!
      • 1...Kxe4
        • 2.Qa8#
      • 1...fxe4
        • 2.Qf7#
      • 1...Bf1
        • 2.Sd2#
      • 1...Bh1
        • 2.Sd2#
      • 1...Bh3
        • 2.Sd2#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sh3
        • 2.Qe2#
      • 1...f4
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB1(A),XS(a)
    • S(a);N_GUARD::QAB1(A)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • S(a);XR(C)::QAB1(A)
      • Refutation
        • B(b);XR(C)
    • Try
      • Q(A);CHECK
      • Vars
        • P(d);OGATE,P_SPINP(d)::QAR2(A),XP(e)
      • Refutation
        • K(c);P-FLIGHT,P_SPINB(b),XP(B)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::QAR1(A)
        • S(a);::QAB1(A),XB(b)
        • P(e);::QAB1(A),XB(b)
      • Refutation
        • K(c);P-FLIGHT,P_SPINB(b),XP(B)
  • Actual
    • S(G);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(G)::QAB(A)
      • P(e);OGATEB,SBLOCK,XS(G)::QAR(A)
      • B(b);::S(G)
      • S(a);N_GUARD::QAB1(A),XS(a)
      • S(a);N_GUARD::QAB1(A)
      • P(e);SBLOCK::S(G)
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