MESON Chess Problem Database

Problem Display
PID: 136744 (5NKn/6p1/2B1p3/1N1qp3/2P1k3/2R1nR2/4r1P1/8 w - - 0 1)

Groeneveld, Cornelis

Prins, Hendrik

Comm., Sachove umeni (Ceskoslovensky sach), 2005-2006

5NKn/6p1/2B1p3/1N1qp3/2P1k3/2R1nR2/4r1P1/8

#2

8 + 8

102 Probleemblad 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Rcxe3#
    • 1...Rb2
      • 2.Rcxe3#
    • 1...Rc2
      • 2.Rcxe3#
    • 1...Rd2
      • 2.Rcxe3#
    • 1...Rf2
      • 2.Rcxe3#
    • 1...Rxg2
      • 2.Rcxe3#
    • 1...Sxc4
      • 2.Rxc4#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Sc5#
      • 1...Rxg2
        • 2.Rcxe3#
      • 1...Qxc6!
    • 1.Sh7?
      • threat
        • 2.Sg5#
      • 1...Rxg2
        • 2.Rcxe3#
      • 1...g5
        • 2.Sxg5#
        • 2.Sf6#
      • 1...Sf7!
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Sd6#
      • 1...Qxc6
        • 2.Sg5#
      • 1...Rxg2
        • 2.Rcxe3#
      • 1...Sxc4
        • 2.Rxc4#
      • 1...Sf5
        • 2.Bxd5#
      • 1...Sf7
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(a);N_GUARD::R1(B),XS(b)
    • R(a);N_GUARD,XP(A)::R1(B),XS(b)
    • S(b);OGATE,XP(D)::R(B),XS(b)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • R(a);N_GUARD,XP(A)::R1(B),XS(b)
      • Refutation
        • Q(d);N_SPINQ(d),XB(F)
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • R(a);N_GUARD,XP(A)::R1(B),XS(b)
      • Refutation
        • S(h);
  • Actual
    • S(G);P_SPINS(G),XP(f)
    • Threat
      • S(E)
    • Vars
      • Q(d);N_PINS(G),N_SPINQ(d),XB(F)::S(G)
      • R(a);N_GUARD,XP(A)::R1(B),XS(b)
      • S(b);OGATE,XP(D)::R(B),XS(b)
      • S(b);N_GUARD::B(F),XQ(d)
      • S(h);N_PINS(G)::S(G)
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