MESON Chess Problem Database

Problem Display
PID: 70740 (8/8/2ppNp2/2Pp1RP1/4kPP1/8/2P1K3/8 w - - 0 1)

Sivak, Bohuslav

3rd HM., Ancin MT, 1978

8/8/2ppNp2/2Pp1RP1/4kPP1/8/2P1K3/8

#2

8 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.c3?
      • 1...dxc5
        • 2.Sxc5#
      • 1...fxg5
        • 2.Sxg5#
      • 1...d4!
    • 1.cxd6?
      • 1...fxg5
        • 2.Re5#
      • 1...d4
        • 2.Sc5#
      • 1...c5!
  • Keys
    • 1.gxf6!
      • 1...dxc5
        • 2.Re5#
      • 1...d4
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(A);
      • Vars
        • P(d);XP(E)::S(H),XP(d)
        • P(e);XP(G)::S(H),XP(e)
      • Refutation
        • P(b);
    • Try
      • P(E);XP(d)
      • Vars
        • P(e);N_GUARD,XP(G)::R1(F)
        • P(b);SBLOCK::S(H)
      • Refutation
        • P(c);
  • Actual
    • P(G);XP(e)
    • Vars
      • P(d);N_GUARD,XP(E)::R1(F)
      • P(b);SBLOCK::S(H)
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