MESON Chess Problem Database

Problem Display
PID: 145900 (8/8/8/3K4/4B1p1/6Bb/3pR1R1/3r1krn w - - 0 1)

Sparke, Arthur M

Good Companions (December Meredith Ty.), 1917

8/8/8/3K4/4B1p1/6Bb/3pR1R1/3r1krn

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Rgxf2#
    • 1...Sxg3
      • 2.Rgf2#
  • Keys
    • 1.Bd3!
      • threat
        • 2.Rxd2#
      • 1...Bxg2+
        • 2.Re4#
      • 1...Rxg2
        • 2.Re1#
      • 1...Sxg3
        • 2.Rgf2#
      • 1...Sf2
        • 2.Rgxf2#
      • 1...Re1
        • 2.Ref2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD::R1(B),XS(d)
    • S(d);N_GUARD,XB(C)::R1(B)
  • Actual
    • B(D);
    • Threat
      • B(D)+R(A),XP(e)
    • Vars
      • B(f);CHECK,SBLOCK,XR(B)::B(D)+R(A)
      • R(c);SBLOCK,XR(B)::B(D)+R(A),DCHECK
      • S(d);N_GUARD,XB(C)::R1(B)
      • S(d);N_GUARD::R1(B),XS(d)
      • R(a);SBLOCK::B(D)+R(A),DCHECK
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