MESON Chess Problem Database

Problem Display
PID: 11923 (K1k1N3/R3B3/P3P3/n3n3/8/b1r5/8/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1973

K1k1N3/R3B3/P3P3/n3n3/8/b1r5/8/8

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Rc7#
    • 1...Rd3
      • 2.Rc7#
    • 1...Re3
      • 2.Rc7#
    • 1...Rf3
      • 2.Rc7#
    • 1...Rg3
      • 2.Rc7#
    • 1...Rh3
      • 2.Rc7#
    • 1...Rc5
      • 2.Sd6#
    • 1...Rc7
      • 2.Rxc7#
    • 1...Bc1
      • 2.Sd6#
    • 1...Bb2
      • 2.Sd6#
    • 1...Bc5
      • 2.Rc7#
    • 1...Bd6
      • 2.Sxd6#
    • 1...Sac4
      • 2.Rc7#
    • 1...Sac6
      • 2.Rc7#
    • 1...Sb7
      • 2.axb7#
    • 1...Sec4
      • 2.Rc7#
    • 1...Sec6
      • 2.Rc7#
    • 1...Sd7
      • 2.exd7#
  • Keys
    • 1.Rb7!
      • threat
        • 2.Rb8#
      • 1...Sxb7
        • 2.axb7#
      • 1...Rb3
        • 2.Rc7#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Sac6
        • 2.Rc7#
      • 1...Sec6
        • 2.Rc7#
      • 1...Sd7
        • 2.exd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 12
  • Sets
    • R(b);N_GUARD::R1(C)
    • R(b);S_CUTB(a)::S(F)
    • R(b);N_GUARD::R1(C),XR(b)
    • B(a);N_GUARD::S(F)
    • B(a);S_CUTR(b)::R1(C)
    • B(a);N_GUARD::S(F),XB(a)
    • S(c);S_CUTR(b)::R1(C)
    • S(c);OGATE::P(A),XS(c)
    • S(d);S_CUTR(b)::R1(C)
    • S(d);OGATE::P(B),XS(d)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • S(c);OGATE,XR(C)::P(A),XS(c)
      • R(b);N_GUARD::R1(C)
      • B(a);N_GUARD::S(F),XB(a)
      • S(c);S_CUTR(b)::R1(C)
      • S(d);S_CUTR(b)::R1(C)
      • S(d);OGATE::P(B),XS(d)
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