MESON Chess Problem Database

Problem Display
PID: 70460 (6B1/5p2/3p2P1/1P1N4/RNbpkP2/5p1Q/8/2K3B1 w - - 0 1)

Andrews, JT

Source?, 0000

6B1/5p2/3p2P1/1P1N4/RNbpkP2/5p1Q/8/2K3B1

#2

10 + 6

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...fxg6
      • 2.Qe6#
    • 1...f6
      • 2.Qe6#
  • Tries
    • 1.gxf7?
      • threat
        • 2.Bh7#
        • 2.Qe6#
        • 2.Qh7#
      • 1...f2
        • 2.Bh7#
      • 1...Bxd5!
  • Keys
    • 1.Sd3!
      • 1...Kxd3
        • 2.Qxf3#
      • 1...Kxd5
        • 2.Qf5#
      • 1...Bxd3
        • 2.Rxd4#
      • 1...Bxb5
        • 2.Rxd4#
      • 1...Bxd5
        • 2.Rxd4#
      • 1...fxg6
        • 2.Sf2#
      • 1...f2
        • 2.Sf6#
      • 1...Ba2
        • 2.Rxd4#
      • 1...Bb3
        • 2.Rxd4#
      • 1...f5
        • 2.Sf2#
      • 1...f6
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • P(f);N_GUARD,XP(I)::QAR2(C)
    • P(f);N_GUARD::QAR2(C)
  • Tries
    • Try
      • P(I);XP(f)
      • Threat
        • DUALS(3)
      • Vars
        • P(a);::B(J)
      • Refutation
        • B(b);XS(H)
  • Actual
    • S(E);
    • Vars
      • K(d);P_SPINP(a),S_FLIGHT,XS(E)::QAR2(C),XP(a)
      • K(d);P_SPINP(f),S_FLIGHT,XS(H)::QAR2(C)
      • B(b);OGATE,P_SPINP(c),XS(E)::R1(D),XP(c)
      • B(b);OGATE,P_SPINP(c),XP(G)::R1(D),XP(c)
      • B(b);OGATE,P_SPINP(c),XS(H)::R1(D),XP(c)
      • P(f);XP(I)::S(E)
      • P(a);::S(H)
      • B(b);OGATE,P_SPINP(c)::R1(D),XP(c)
      • P(f);::S(E)
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