MESON Chess Problem Database

Problem Display
PID: 71451 (3n4/3B4/R1b5/2Pk4/1Q4N1/8/8/7K w - - 0 1)

Faria, Oswaldo

Il Due Mosse, 1957

3n4/3B4/R1b5/2Pk4/1Q4N1/8/8/7K

#2

6 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Rd6#
    • 1...Bb5
      • 2.Rd6#
    • 1...Bb7
      • 2.Rd6#
    • 1...Bxd7
      • 2.Rd6#
    • 1...Ba8
      • 2.Rd6#
    • 1...Se6
      • 2.Bxc6#
  • Keys
    • 1.Be8!
      • 1...Ke6+
        • 2.Qe4#
      • 1...Bxe8
        • 2.Rd6#
      • 1...Sb7
        • 2.Bf7#
      • 1...Ba4
        • 2.Rd6#
      • 1...Bb5
        • 2.Rd6#
      • 1...Bb7
        • 2.Rd6#
      • 1...Bd7
        • 2.Rd6#
      • 1...Ba8
        • 2.Rd6#
      • 1...Se6
        • 2.Bxc6#
      • 1...Sf7
        • 2.Bxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATE::R1(E)
    • B(b);OGATE,XB(F)::R1(E)
    • S(c);N_GUARD,SBLOCK::B(F),XB(b)
  • Actual
    • B(F);
    • Vars
      • K(a);CHECK,P_SPINB(b),S_FLIGHT::QAR2(B)
      • B(b);OGATE,XB(F)::R1(E)
      • S(c);N_GUARD::B(F)
      • B(b);OGATE::R1(E)
      • S(c);N_GUARD,SBLOCK::B(F),XB(b)
      • S(c);N_GUARD::B(F),XS(c)
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