MESON Chess Problem Database

Problem Display
PID: 196956 (6B1/8/8/7K/8/1R6/kr3N1R/bn6 w - - 0 1)

Ludwig, W

Deutsches Wochenschach, 1919

6B1/8/8/7K/8/1R6/kr3N1R/bn6

#2

5 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Sd1!
      • threat
        • 2.Rc3#
        • 2.Rd3#
        • 2.Re3#
        • 2.Rf3#
        • 2.Rg3#
        • 2.Rbh3#
      • 1...Rxh2+
        • 2.Rh3#
      • 1...Sd2
        • 2.Sc3#
      • 1...Sa3
        • 2.Sc3#
        • 2.Rbxb2#
      • 1...Sc3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(A);P_PINR(d)
    • Threat
      • DUALS(6)
    • Vars
      • R(d);CHECK,N_SPINR(d),XR(B)::B(E)+R(C)
      • S(b);N_GUARD,N_SPINR(d)::S(A)
      • S(b);N_GUARD::S(A),XS(b)
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