MESON Chess Problem Database

Problem Display
PID: 103774 (6b1/5p2/6P1/1N5n/6R1/2K1k3/8/3B3N w - - 0 1)

Ravishankar, SN

Harmonie 04. TT, 1991-1992

6b1/5p2/6P1/1N5n/6R1/2K1k3/8/3B3N

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sa3?
      • threat
        • 2.Sc2#
        • 2.Sc4#
      • 1...fxg6
        • 2.Sc2#
      • 1...f5
        • 2.Sc2#
      • 1...f6
        • 2.Sc2#
      • 1...Sf4!
    • 1.Sd4?
      • threat
        • 2.Sc2#
        • 2.Sf5#
      • 1...fxg6
        • 2.Sc2#
      • 1...Sg3
        • 2.Sc2#
      • 1...Sg7
        • 2.Sc2#
      • 1...f5
        • 2.Sc2#
        • 2.Sxf5#
      • 1...Sf4!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sc4#
        • 2.Sf5#
        • 2.Re4#
      • 1...fxg6
        • 2.Re4#
      • 1...Sg3
        • 2.Sc4#
      • 1...Sf4
        • 2.Rg3#
      • 1...Sf6
        • 2.Sc4#
        • 2.Sf5#
      • 1...Sg7
        • 2.Sc4#
        • 2.Re4#
      • 1...f5
        • 2.Sxf5#
      • 1...f6
        • 2.Sf5#
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XP(F)::S(E)
        • P(c);::S(E)
      • Refutation
        • S(b);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XP(F)::S(E)
        • S(b);::S(E)
      • Refutation
        • S(b);
  • Actual
    • S(E);
    • Threat
      • DUALS(3)
    • Vars
      • P(c);XP(F)::R1(D)
      • S(b);::S(E)
      • S(b);N_GUARD,SBLOCK::R(D)
      • P(c);::S(E),XP(c)
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