MESON Chess Problem Database

Problem Display
PID: 99170 (8/B7/Q5K1/2PpP3/3k4/N1nrn1N1/3p4/8 w - - 0 1)

Herland, Sigmund

Magyar Sakkvilag, 1914

8/B7/Q5K1/2PpP3/3k4/N1nrn1N1/3p4/8

#2

7 + 6

16336 Problemes choisis composes par Sigmund Herland (Yaremska-Iliescu) 2001
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qf6#
  • Tries
    • 1.Sc2+?
      • 1...Kxe5
        • 2.Bb8#
        • 2.Qd6#
        • 2.Qf6#
      • 1...Sxc2!
  • Keys
    • 1.Qf6!
      • threat
        • 2.c6#
        • 2.e6#
      • 1...Sb1
        • 2.e6#
      • 1...Scd1
        • 2.e6#
      • 1...Sa2
        • 2.e6#
      • 1...Se2
        • 2.e6#
      • 1...Sa4
        • 2.e6#
      • 1...Se4
        • 2.Se2#
      • 1...Sb5
        • 2.e6#
      • 1...Sed1
        • 2.c6#
      • 1...Sf1
        • 2.c6#
      • 1...Sc2
        • 2.c6#
      • 1...Sg2
        • 2.c6#
      • 1...Sc4
        • 2.Sc2#
      • 1...Sg4
        • 2.c6#
      • 1...Sf5
        • 2.c6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 1
  • Sets
    • K(e);OGATEB,S_FLIGHT,XP(D)::QAB1(E)
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • S(d);XS(A)
  • Actual
    • Q(E);
    • Threat
      • DUALS(2)
    • Vars
      • S(b);::QAB(E)+P(D)
      • S(b);N_GUARD,SBLOCK::S(B)
      • S(d);::B(G)+P(C)
      • S(d);N_GUARD,SBLOCK::S(A)
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