MESON Chess Problem Database

Problem Display
PID: 52300 (8/6p1/1p4n1/p4p2/1PPk1P2/2nPp3/2K5/7Q w - - 0 1)

Alliet, Wilfried

Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1984-1985

8/6p1/1p4n1/p4p2/1PPk1P2/2nPp3/2K5/7Q

#2

6 + 8

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Qd5#
    • 1...Sd1
      • 2.Qd5#
    • 1...Sa2
      • 2.Qd5#
    • 1...Se2
      • 2.Qd5#
    • 1...Sa4
      • 2.Qd5#
    • 1...Sb5
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...e2
      • 2.Qg1#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qxb6#
      • 1...Sa4
        • 2.Qd5#
        • 2.Qd7#
        • 2.Qd6#
      • 1...Se4
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...b5
        • 2.Qc5#
        • 2.Qb6#
      • 1...Sxf4!
    • 1.Qa1?
      • threat
        • 2.Qxc3#
      • 1...e2
        • 2.Qg1#
      • 1...axb4!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qxb6#
      • 1...Sxf4
        • 2.Qxg7#
      • 1...Sa4
        • 2.Qd5#
        • 2.Qd7#
      • 1...Se4
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...b5
        • 2.Qb6#
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • S(a);N_GUARD::QAR1(A)
    • S(a);N_GUARD::QAR1(A),XS(a)
    • P(b);OGATEB::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB(A),XP(f)
      • Vars
        • S(a);N_GUARD::QAR1(A)
        • S(a);N_GUARD::QAR1(A),XS(a)
      • Refutation
        • S(g);XP(F)
    • Try
      • Q(A);P_PINS(a)
      • Threat
        • QAB1(A),XS(a)
      • Vars
        • P(b);OGATEB::QAB(A)
      • Refutation
        • P(d);XP(D)
  • Actual
    • Q(A);
    • Threat
      • QAB(A),XP(f)
    • Vars
      • S(g);N_GUARD,XP(F)::QAB(A),XP(h)
      • S(a);N_GUARD::QAR1(A)
      • S(a);N_GUARD::QAR1(A),XS(a)
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