MESON Chess Problem Database

Problem Display
PID: 152061 (QB6/1B5b/1b1p1p2/4kp2/2nN1N2/p1P1p3/qn1R2K1/5R2 w - - 0 1)

Degener, Udo

Comm., UV CSTV, 1983

QB6/1B5b/1b1p1p2/4kp2/2nN1N2/p1P1p3/qn1R2K1/5R2

#2

9 + 11

3485 Sachova skladba 1985

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd4
      • 2.cxd4#
    • 1...Bg6
      • 2.Sxg6#
    • 1...Bg8
      • 2.Sg6#
    • 1...Sd1
      • 2.Sd3#
    • 1...Sd3
      • 2.Sxd3#
    • 1...Sa4
      • 2.Sd3#
  • Tries
    • 1.Kg3?
      • threat
        • 2.Sf3#
      • 1...Bxd4
        • 2.cxd4#
      • 1...Sxd2!
    • 1.Bd5?
      • threat
        • 2.Sc6#
      • 1...Bxd4
        • 2.cxd4#
      • 1...Sa5!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qe8#
      • 1...Sxa4
        • 2.Sd3#
      • 1...Sxd2
        • 2.Sc6#
      • 1...Sa5
        • 2.Sf3#
      • 1...Bd8
        • 2.Qb5#
      • 1...Bg6
        • 2.Sxg6#
      • 1...Bg8
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(h);OGATE,XS(E)::P(D),XB(h)
    • B(k);N_GUARD::S(F),XB(k)
    • B(k);N_GUARD::S(F)
    • S(b);N_GUARD,P_PINR(B)::S(F)
    • S(b);N_GUARD,P_PINR(B)::S(F),XS(b)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • S(E)
      • Vars
        • B(h);OGATE,XS(E)::P(D),XB(h)
      • Refutation
        • S(e);XR(B)
    • Try
      • B(G);
      • Threat
        • S(E)
      • Vars
        • B(h);OGATE,XS(E)::P(D),XB(h)
      • Refutation
        • S(e);
  • Actual
    • Q(H);
    • Threat
      • QAR(H)
    • Vars
      • S(b);N_GUARD,P_PINR(B),XQ(H)::S(F)
      • S(e);XR(B)::S(E)
      • S(e);::S(E)
      • B(h);N_GUARD::QAR(H)
      • B(k);N_GUARD::S(F),XB(k)
      • B(k);N_GUARD::S(F)
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