MESON Chess Problem Database

Problem Display
PID: 164042 (2N2N2/2r5/R1Rp4/1n1r1k2/2BP1p1B/5P1K/8/4n3 w - - 0 1)

Valters, N

Sachmatija, 2006

2N2N2/2r5/R1Rp4/1n1r1k2/2BP1p1B/5P1K/8/4n3

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Be6#
    • 1...Rxc6
      • 2.Se7#
    • 1...Re7
      • 2.Sxe7#
    • 1...Sc2
      • 2.Bd3#
    • 1...Sg2
      • 2.Bd3#
    • 1...Sd3
      • 2.Bxd3#
    • 1...Sxf3
      • 2.Bd3#
  • Keys
    • 1.Rc5!
      • threat
        • 2.Rxd5#
      • 1...Rdxc5
        • 2.Be6#
      • 1...Rcxc5
        • 2.Se7#
      • 1...Sxf3
        • 2.Bd3#
      • 1...dxc5
        • 2.Rf6#
      • 1...Re5
        • 2.Be6#
      • 1...Re7
        • 2.Sxe7#
      • 1...Sd3
        • 2.Bxd3#
      • 1...Sc3
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(d);OGATE::B(C)
    • R(g);N_GUARD,XR(G)::S(H)
    • R(g);N_GUARD::S(H),XR(g)
    • S(a);N_GUARD::B(C)
    • S(a);N_GUARD::B(C),XS(a)
    • S(a);N_GUARD,XP(A)::B(C)
  • Actual
    • R(G);P_PINR(d)
    • Threat
      • R(G),XR(d)
    • Vars
      • R(d);N_SPINR(d),OGATE,XR(G)::B(C)
      • R(g);N_GUARD,N_SPINR(d),XR(G)::S(H)
      • S(a);N_GUARD,XP(A)::B(C)
      • P(f);N_SPINR(d),OGATE,XR(G)::R1(F)
      • R(d);OGATE::B(C)
      • R(g);N_GUARD::S(H),XR(g)
      • S(a);N_GUARD::B(C),XS(a)
      • S(c);N_GUARD::S(H),XP(f)
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