MESON Chess Problem Database

Problem Display
PID: 200085 (8/2bN4/2p1n3/3k1N2/2n2p1r/3B4/K2Q2bB/8 w - - 0 1)

Pachl, Franz

The Problemist, 1982

8/2bN4/2p1n3/3k1N2/2n2p1r/3B4/K2Q2bB/8

#2

6 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Bxc4+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxc4!
    • 1.Qc3?
      • threat
        • 2.Qxc4#
      • 1...Sb2
        • 2.Sf6#
      • 1...Sd2
        • 2.Sf6#
      • 1...Sa3
        • 2.Sf6#
      • 1...Se3
        • 2.Sf6#
      • 1...Sa5
        • 2.Sf6#
      • 1...Se5
        • 2.Sf6#
      • 1...Sb6
        • 2.Sf6#
      • 1...Sd6
        • 2.Se7#
        • 2.Sf6#
        • 2.Qe5#
      • 1...f3
        • 2.Se7#
      • 1...c5!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qxc4#
      • 1...c5
        • 2.Qb7#
      • 1...Sb2
        • 2.Se7#
      • 1...Sd2
        • 2.Se7#
      • 1...Sa3
        • 2.Se7#
      • 1...Se3
        • 2.Se7#
      • 1...Sa5
        • 2.Se7#
      • 1...Se5
        • 2.Se7#
        • 2.Sf6#
      • 1...Sb6
        • 2.Se7#
      • 1...Sd6
        • 2.Se7#
      • 1...f3
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK,XS(b)
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • K(e);S_FLIGHT,XB(D)
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XS(b)
      • Vars
        • S(b);::S(F)
        • P(c);::S(E)
      • Refutation
        • P(f);
  • Actual
    • Q(B);
    • Threat
      • QAB1(B),XS(b)
    • Vars
      • P(f);OGATEB::QAB(B)
      • S(b);::S(E)
      • P(c);::S(F)
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