MESON Chess Problem Database

Problem Display
PID: 189602 (7n/3pp1K1/3Np3/n1B1k3/4B3/8/5P2/1Q6 w - - 0 1)

Kalniczky, Geza

Magyar Sakkujsag, 1911

7n/3pp1K1/3Np3/n1B1k3/4B3/8/5P2/1Q6

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qg3#
      • 1...Kf4
        • 2.Qg3#
      • 1...exd6
        • 2.Bxd6#
      • 1...Sg6!
    • 1.Qc1?
      • threat
        • 2.Qg5#
        • 2.f4#
      • 1...Sg6
        • 2.Qg5#
      • 1...Sf7
        • 2.f4#
      • 1...exd6!
    • 1.Qg1?
      • threat
        • 2.Qh2#
        • 2.Qg3#
        • 2.Qg5#
      • 1...Kf4
        • 2.Qg3#
      • 1...Sg6
        • 2.Qg5#
      • 1...Sf7
        • 2.Qh2#
        • 2.Qg3#
      • 1...exd6!
  • Keys
    • 1.Be3!
      • 1...Kxd6
        • 2.Qb8#
      • 1...exd6
        • 2.f4#
      • 1...Sb3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sc6
        • 2.Sc4#
      • 1...Sb7
        • 2.Sc4#
      • 1...Sg6
        • 2.Sf7#
      • 1...Sf7
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • P(e);OGATE,XS(E)::B(D),XP(e)
      • Refutation
        • S(f);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);::QAR2(A)
        • S(f);::P(B)
      • Refutation
        • P(e);XS(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • S(f);::QAR2(A)
      • Refutation
        • P(e);XS(E)
  • Actual
    • B(D);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • P(e);SBLOCK,XS(E)::P(B)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
      • S(f);N_GUARD::S(E)
      • S(f);N_GUARD::S(E),XS(f)
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