MESON Chess Problem Database

Problem Display
PID: 17421 (4R3/R3n3/2p5/2B5/5k2/4NN2/1pn1P2K/bB6 w - - 0 1)

Rietveld, Johannes Jacob

1st Prize, Probleemblad 065. TT, 1946

4R3/R3n3/2p5/2B5/5k2/4NN2/1pn1P2K/bB6

#2

8 + 6

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Ra4#
    • 1...Se1
      • 2.Ra4#
    • 1...Sd5
      • 2.Bd6#
    • 1...Sg6
      • 2.Rf7#
    • 1...Sc8
      • 2.Rf7#
    • 1...Sg8
      • 2.Bd6#
  • Tries
    • 1.Bd6+?
      • 1...Ke4
        • 2.Raxe7#
        • 2.Rexe7#
      • 1...Kxe3!
    • 1.Ra4+?
      • 1...Sb4
        • 2.Rxb4#
      • 1...Sd4!
    • 1.Raxe7?
      • threat
        • 2.Bd6#
        • 2.Re4#
        • 2.Rf7#
        • 2.Rf8#
      • 1...Sd4
        • 2.Bd6#
        • 2.Re4#
      • 1...Sxe3!
    • 1.Rf8+?
      • 1...Ke4
        • 2.Bxc2#
        • 2.Ra4#
        • 2.Rxe7#
      • 1...Sf5!
  • Keys
    • 1.Kh3!
      • 1...Ke4
        • 2.Ra4#
      • 1...Sxe3
        • 2.Bd6#
      • 1...Se1
        • 2.Ra4#
      • 1...Sa3
        • 2.Sg2#
      • 1...Sb4
        • 2.Sg2#
      • 1...Sd4
        • 2.Sg2#
      • 1...Sd5
        • 2.Bd6#
      • 1...Sf5
        • 2.Sg2#
      • 1...Sg6
        • 2.Rf7#
      • 1...Sc8
        • 2.Rf7#
      • 1...Sg8
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT,P_SPINS(c)::R(G)
    • S(c);N_GUARD::R(G)
    • S(f);::B(F)
    • S(f);OGATE::R(G)
  • Tries
    • Try
      • B(F);CHECK
      • Refutation
        • K(d);P_SPINS(f),S_FLIGHT,XS(D)
    • Try
      • R(G);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::R(G),XS(c)
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • R(G);XS(f)
      • Threat
        • DUALS(4)
      • Refutation
        • S(c);XS(D)
    • Try
      • R(H);CHECK
      • Refutation
        • S(f);P_SPINS(f)
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(d);P-FLIGHT,P_SPINS(c)::R(G)
      • S(c);SBLOCK,XS(D)::B(F)
      • S(c);N_GUARD::R(G)
      • S(c);::S(D)
      • S(f);::B(F)
      • S(f);SBLOCK::S(D)
      • S(f);OGATE::R(G)
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