MESON Chess Problem Database

Problem Display
PID: 57470 (8/8/6Kb/6p1/4Q3/8/1pRBP3/1q1k1N2 w - - 0 1)

Kohtz, Johannes

Bruederschaft, 1885

8/8/6Kb/6p1/4Q3/8/1pRBP3/1q1k1N2

#2

6 + 5

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1953

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3?
      • threat
        • 2.Se3#
        • 2.Bc3#
        • 2.Bb4#
        • 2.Ba5#
      • 1...Qxc2
        • 2.Se3#
      • 1...Qc1
        • 2.Se3#
      • 1...g4!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Se3#
      • 1...Qxc2+
        • 2.e4#
      • 1...Kxc2
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(4)
      • Vars
        • Q(a);P_PINQ(E),XR(B)::S(A)
        • Q(a);::S(A)
      • Refutation
        • P(d);
  • Actual
    • Q(E);P_SPINR(B)
    • Threat
      • S(A)
    • Vars
      • Q(a);CHECK,SBLOCK,XR(B)::QAB(E)+P(D)
      • K(b);OGATEB,S_FLIGHT,XR(B)::QAB(E)
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