MESON Chess Problem Database

Problem Display
PID: 120735 (2K5/7n/4N1Pr/4p2k/4PR2/5n2/6P1/3BB3 w - - 0 1)

Sindler, Ivan

Zpravodaj Kotva, 1967

2K5/7n/4N1Pr/4p2k/4PR2/5n2/6P1/3BB3

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg6
      • 2.Rh4#
  • Tries
    • 1.Rf5+?
      • 1...Kg4
        • 2.Bxf3#
      • 1...Sg5
        • 2.Rxg5#
      • 1...Kxg6!
  • Keys
    • 1.Rg4!
      • 1...Kxg4
        • 2.Bxf3#
      • 1...Rxg6
        • 2.Rh4#
      • 1...Sxe1
        • 2.Sg7#
      • 1...Shg5
        • 2.Rxg5#
      • 1...Sg1
        • 2.Sg7#
        • 2.Rg5#
      • 1...Sd2
        • 2.Sg7#
        • 2.Rg5#
      • 1...Sh2
        • 2.Sg7#
        • 2.Rg5#
      • 1...Sd4
        • 2.Sg7#
        • 2.Rg5#
      • 1...Sh4
        • 2.Sg7#
        • 2.Rg5#
      • 1...Sfg5
        • 2.Rxg5#
      • 1...Sf6
        • 2.Rg5#
      • 1...Sf8
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK,XP(G)::R1(E)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(c);S_FLIGHT::B(A),XS(a)
        • S(e);N_GUARD::R1(E),XS(e)
      • Refutation
        • K(c);N_SPINS(a),S_FLIGHT,XP(G)
  • Actual
    • R(E);N_PINS(a)
    • Vars
      • K(c);OGATEB,P_SPINS(a),S_FLIGHT,XR(E)::B(A),XS(a)
      • R(d);SBLOCK,XP(G)::R1(E)
      • S(a);XB(B)::S(F)
      • S(e);N_GUARD::R1(E),XS(e)
      • S(a);::B(A)+R(E),DCHECK,XS(a)
      • S(e);N_GUARD::R1(E)
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