MESON Chess Problem Database

Problem Display
PID: 245390 (Q7/5p2/3pPpnK/4pk1N/1N4p1/6p1/B5P1/B2n4 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Hlas l'udu, 1985

Q7/5p2/3pPpnK/4pk1N/1N4p1/6p1/B5P1/B2n4

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Sxg3#
      • 2.Sg7#
  • Tries
    • 1.Bb1+?
      • 1...e4
        • 2.Qxe4#
      • 1...Kxe6!
    • 1.Qf3+?
      • 1...Sf4
        • 2.Sxg3#
        • 2.Sg7#
      • 1...gxf3!
  • Keys
    • 1.Sd5!
      • 1...Ke4
        • 2.Bb1#
      • 1...Kxe6
        • 2.Qc8#
      • 1...fxe6
        • 2.Sxg3#
      • 1...Sb2
        • 2.Se3#
      • 1...Sf2
        • 2.Se3#
      • 1...Sc3
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sf4
        • 2.Se7#
      • 1...Sh4
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...Sf8
        • 2.Se7#
      • 1...Sh8
        • 2.Se7#
      • 1...e4
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • P(d);P_SPINP(d)::QAB1(H),XP(d)
      • Refutation
        • K(e);S_FLIGHT,XP(F)
    • Try
      • Q(H);CHECK
      • Refutation
        • P(c);XQ(H)
  • Actual
    • S(D);
    • Vars
      • K(e);S_FLIGHT::B(B)
      • K(e);OGATEB,S_FLIGHT,XP(F)::QAB(H)
      • P(i);SBLOCK,XP(F)::S(E),XP(b)
      • S(a);N_GUARD::S(D)
      • S(a);N_GUARD::S(D),XS(a)
      • S(h);N_GUARD::S(D)
      • S(h);N_GUARD::S(D),XS(h)
      • P(d);SBLOCK::S(E)
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