MESON Chess Problem Database

Problem Display
PID: 155792 (8/8/n1R5/N2k1n2/Np2R3/4b2K/2B5/8 w - - 0 1)

Mulder, H

Nederlandse Bond van Probleemvrienden, 1932

8/8/n1R5/N2k1n2/Np2R3/4b2K/2B5/8

#2

6 + 5

1577 Jaarboek 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sb6#
    • 1...Bd2
      • 2.Sb6#
    • 1...Bf4
      • 2.Sb6#
    • 1...Bg5
      • 2.Sb6#
    • 1...Bb6
      • 2.Sxb6#
    • 1...Bh6
      • 2.Sb6#
    • 1...Sd4
      • 2.Sb6#
    • 1...Sc5
      • 2.Sb6#
    • 1...b3
      • 2.Sc3#
  • Keys
    • 1.Rce6!
      • threat
        • 2.Bb3#
      • 1...Sd4
        • 2.R4e5#
      • 1...Sd6
        • 2.R6e5#
      • 1...Sc5
        • 2.Sb6#
      • 1...b3
        • 2.Bxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
    • S(d);S_CUTB(a)::S(C)
    • S(e);S_CUTB(a)::S(C)
    • P(b);N_GUARD::S(C)
  • Actual
    • R(F);
    • Threat
      • B(A)
    • Vars
      • S(d);SBLOCK::R1(D)
      • S(d);SBLOCK::R1(F)
      • S(e);SBLOCK,S_CUTB(a)::S(C)
      • P(b);::B(A),XP(b)
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