MESON Chess Problem Database

Problem Display
PID: 107835 (1q6/5n2/2pN1P2/P1k5/2P5/2P5/1P1P4/3Q1K2 w - - 0 1)

Burda, Josef

Zemedelske noviny, 1972

1q6/5n2/2pN1P2/P1k5/2P5/2P5/1P1P4/3Q1K2

#2

9 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4?
      • threat
        • 2.Qd4#
      • 1...Qxd6
        • 2.b4#
      • 1...Kxd6!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Se4#
      • 1...Kxd6
        • 2.Qe7#
      • 1...Qxd6
        • 2.b4#
      • 1...Sxd6
        • 2.d4#
      • 1...Qe8
        • 2.Sb7#
      • 1...Sg5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • Q(d);N_GUARD,SBLOCK,XS(H)::P(C)
      • Refutation
        • K(a);S_FLIGHT,XS(H)
  • Actual
    • Q(A);
    • Threat
      • S(H)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(H)::QAB1(A)
      • Q(d);N_GUARD,SBLOCK,XS(H)::P(C)
      • S(c);SBLOCK,XS(H)::P(D)
      • Q(d);N_GUARD::S(H)
      • S(c);N_GUARD::QAR2(A)
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