MESON Chess Problem Database

Problem Display
PID: 251905 (n1R3b1/N1bBp1Bp/K5nR/p1PkP3/N3p3/1P2P3/5P1Q/8 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Probleemblad, 1982

n1R3b1/N1bBp1Bp/K5nR/p1PkP3/N3p3/1P2P3/5P1Q/8

#2

13 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bb6
      • 2.Sc3#
    • 1...Bd6
      • 2.Sc3#
    • 1...Bb8
      • 2.Sc3#
    • 1...Bd8
      • 2.Sc3#
    • 1...Be6
      • 2.Bc6#
    • 1...Sf4
      • 2.Bc6#
    • 1...Sh4
      • 2.Bc6#
    • 1...Sf8
      • 2.Bc6#
    • 1...Sh8
      • 2.Bc6#
    • 1...e6
      • 2.Bc6#
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qd1#
      • 1...Bxe5
        • 2.Sc3#
      • 1...Sxe5
        • 2.Bc6#
      • 1...Sf4
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • B(e);::S(E)
    • B(i);SBLOCK::B(K)
    • S(d);::B(K)
    • P(f);SBLOCK::B(K)
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • B(e);P_SPINB(e),XP(G)::S(E)
      • S(d);P_SPINS(d),XP(G)::B(K)
      • S(d);::B(K)
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