MESON Chess Problem Database

Problem Display
PID: 8104 (1N1K4/2N5/3k4/8/Rp1P2R1/r5r1/4n3/b2Qq3 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1995

1N1K4/2N5/3k4/8/Rp1P2R1/r5r1/4n3/b2Qq3

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rab3
      • 2.Ra6#
    • 1...Rad3
      • 2.Ra6#
    • 1...Rae3
      • 2.Ra6#
    • 1...Raf3
      • 2.Ra6#
    • 1...Rgb3
      • 2.Rg6#
    • 1...Rc3
      • 2.Rg6#
    • 1...Rgd3
      • 2.Rg6#
    • 1...Rh3
      • 2.Rg6#
  • Keys
    • 1.Qb3!
      • threat
        • 2.Sb5#
        • 2.Se8#
        • 2.Qd5#
        • 2.Qe6#
      • 1...Raxb3
        • 2.Ra6#
      • 1...Rgxb3
        • 2.Rg6#
      • 1...Bxd4
        • 2.Qd5#
      • 1...Sxd4
        • 2.Qd5#
      • 1...Qh1
        • 2.Sb5#
        • 2.Se8#
        • 2.Qe6#
        • 2.Qxb4#
      • 1...Re3
        • 2.Sb5#
        • 2.Qd5#
      • 1...Sc1
        • 2.Sb5#
        • 2.Qd5#
      • 1...Sg1
        • 2.Sb5#
        • 2.Qd5#
      • 1...Sc3
        • 2.Qxb4#
      • 1...Sf4
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD::R(B)
    • R(e);N_GUARD::R(D)
  • Actual
    • Q(A);
    • Threat
      • DUALS(4)
    • Vars
      • R(d);N_GUARD,XQ(A)::R(B)
      • R(e);N_GUARD,XQ(A)::R(D)
      • B(a);XP(C)::QAR1(A)
      • S(c);XP(C)::QAR1(A)
      • S(c);S_CUTQ(b)::QAB(A),XP(f)
      • S(c);::S(E)
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