MESON Chess Problem Database

Problem Display
PID: 15814 (Q7/Bp6/5K2/N1rN1pR1/2pkq2R/1n2pP2/1P1nP3/8 w - - 0 1)

Berlin, Dieter

Pachl, Franz

5th Prize, Deutsche Schachzeitung, 1988

Q7/Bp6/5K2/N1rN1pR1/2pkq2R/1n2pP2/1P1nP3/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Qd8#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qd8#
      • 1...f4
        • 2.Sb5#
      • 1...b6!
    • 1.Sb4?
      • threat
        • 2.Qd8#
      • 1...b6
        • 2.Sc2#
      • 1...f4!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Qd8#
      • 1...f4
        • 2.Sb5#
      • 1...b6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(e);N_SPINQ(f),N_SPINR(g),OGATEB,P-FLIGHT,P_SPINP(h),XS(F)::QAR(J)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR(J)
      • Vars
        • P(h);N_SPINQ(f)::S(F)
      • Refutation
        • P(i);N_SPINR(g)
    • Try
      • S(F);
      • Threat
        • QAR(J)
      • Vars
        • P(i);N_SPINR(g)::S(F)
      • Refutation
        • P(h);N_SPINQ(f)
  • Actual
    • S(F);
    • Threat
      • QAR(J)
    • Vars
      • P(h);N_SPINQ(f)::S(F)
      • P(i);N_SPINR(g)::S(F)
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