MESON Chess Problem Database

Problem Display
PID: 254906 (4k3/3pPp2/3P4/q1p3N1/8/p4B2/8/4n2K w - - 0 1)

Krivenko, Valery Oleksijovich

Zadachi i Etyudi, 2006

4k3/3pPp2/3P4/q1p3N1/8/p4B2/8/4n2K

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Bh5#
    • 1...f6
      • 2.Bh5#
  • Tries
    • 1.Se4?
      • threat
        • 2.Sf6#
      • 1...f5
        • 2.Bh5#
      • 1...f6
        • 2.Bh5#
      • 1...Qc3!
    • 1.Sh7?
      • threat
        • 2.Sf6#
      • 1...f5
        • 2.Bh5#
      • 1...f6
        • 2.Bh5#
      • 1...Qc3!
    • 1.Bd5?
      • threat
        • 2.Bxf7#
      • 1...f5
        • 2.Bf7#
      • 1...f6
        • 2.Bf7#
      • 1...Qa8!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sg7#
      • 1...dxe6
        • 2.Bc6#
      • 1...fxe6
        • 2.Bh5#
      • 1...f5
        • 2.Bh5#
      • 1...f6
        • 2.Bh5#
      • 1...Qc3
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(f);OGATEB::B(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • P(f);OGATEB::B(B)
      • Refutation
        • Q(c);
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • P(f);OGATEB::B(B)
      • Refutation
        • Q(c);
    • Try
      • B(B);
      • Threat
        • B(B),XP(f)
      • Vars
        • P(f);::B(B)
      • Refutation
        • Q(c);P_PINB(B)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • P(e);OGATEB,XS(C)::B(B)
      • P(f);OGATEB,XS(C)::B(B)
      • P(f);OGATEB::B(B)
      • Q(c);N_GUARD::S(C)
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