MESON Chess Problem Database

Problem Display
PID: 132965 (4BK2/n4P1b/R2R1p1p/N1k5/Pp2nQ2/1prp4/5b2/7q w - - 0 1)

Rittirsch, Manfred

4th Place, League of Macedonian Problemists, 2002-2003

4BK2/n4P1b/R2R1p1p/N1k5/Pp2nQ2/1prp4/5b2/7q

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Sxb3#
      • 2.Sb7#
    • 1...Be1
      • 2.Qe3#
    • 1...Be3
      • 2.Qxe3#
    • 1...Bg3
      • 2.Qe3#
    • 1...Bh4
      • 2.Qe3#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Bg8
      • 2.Qf5#
    • 1...Sd2
      • 2.Qxf2#
    • 1...Sg3
      • 2.Qxf2#
    • 1...Sg5
      • 2.Qxf2#
    • 1...Sxd6
      • 2.Qxd6#
    • 1...Sb5
      • 2.Rac6#
    • 1...Sc6
      • 2.Raxc6#
    • 1...Sc8
      • 2.Rac6#
    • 1...f5
      • 2.Qe5#
  • Tries
    • 1.Bc6?
      • threat
        • 2.Rd5#
      • 1...Sxd6
        • 2.Qxf2#
      • 1...Sxc6
        • 2.Raxc6#
      • 1...Sd2
        • 2.Sb7#
      • 1...Sg3
        • 2.Sb7#
      • 1...Sg5
        • 2.Sb7#
      • 1...Qh5!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Sb7#
      • 1...Sxd6
        • 2.Qxd6#
      • 1...Sxb5
        • 2.Rac6#
      • 1...Sd2
        • 2.Qxf2#
      • 1...Sg3
        • 2.Qxf2#
      • 1...Sg5
        • 2.Qxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • B(b);N_GUARD::QAB(B)
    • B(b);N_GUARD::QAB(B),XB(b)
    • B(l);N_GUARD::QAR(B),XB(l)
    • B(l);N_GUARD::QAR(B)
    • S(g);N_GUARD::QAB(B),XB(b)
    • S(g);OGATE,XR(E)::QAB1(B),XS(g)
    • S(k);N_GUARD::R1(D)
    • S(k);N_GUARD::R1(D),XS(k)
    • P(i);N_GUARD::QAR2(B)
  • Tries
    • Try
      • B(G);
      • Threat
        • R1(E)
      • Vars
        • S(g);N_GUARD,SBLOCK,XR(E)::QAB(B),XB(b)
        • S(k);OGATE,XB(G)::R1(D),XS(k)
        • S(g);::S(C)
      • Refutation
        • Q(a);
  • Actual
    • B(G);
    • Threat
      • S(C)
    • Vars
      • S(g);OGATE,XR(E)::QAB1(B),XS(g)
      • S(k);N_GUARD,XB(G)::R1(D)
      • S(g);N_GUARD::QAB(B),XB(b)
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