MESON Chess Problem Database

Problem Display
PID: 49739 (1KB5/3R4/2k5/P7/2PPn3/8/8/8 w - - 0 1)

Sujitno, K

Probleemblad, 2003

1KB5/3R4/2k5/P7/2PPn3/8/8/8

#2

6 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.d5#
    • 1...Sd6
      • 2.Rc7#
  • Tries
    • 1.Rd5?
      • threat
        • 2.Bb7#
        • 2.Bd7#
      • 1...Sd6
        • 2.Rc5#
      • 1...Sf6
        • 2.Bb7#
      • 1...Sc5!
  • Keys
    • 1.Rd8!
      • threat
        • 2.Bb7#
      • 1...Sc5
        • 2.d5#
      • 1...Sd6
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::P(B)
    • S(a);SBLOCK::R1(D)
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(D)
        • S(a);::B(F)
      • Refutation
        • S(a);
  • Actual
    • R(D);
    • Threat
      • B(F)
    • Vars
      • S(a);SBLOCK::P(B)
      • S(a);SBLOCK::B(F)
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