MESON Chess Problem Database

Problem Display
PID: 81929 (K6n/1n3p2/R7/3PkNbp/2R1P3/p3p3/1r6/B4Q2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Comm., Problemas, 2000

K6n/1n3p2/R7/3PkNbp/2R1P3/p3p3/1r6/B4Q2

#2

8 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...a2
      • 2.Bxb2#
    • 1...f6
      • 2.Re6#
  • Tries
    • 1.Sh4?
      • threat
        • 2.Qf5#
      • 1...Bf4
        • 2.Sf3#
      • 1...f5
        • 2.Re6#
        • 2.Qxf5#
      • 1...Sd6!
    • 1.Se7?
      • threat
        • 2.Qf5#
      • 1...Sd6
        • 2.Sc6#
      • 1...f5
        • 2.Re6#
        • 2.Qxf5#
      • 1...Bf4!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qf5#
      • 1...Kxe4
        • 2.Qf5#
      • 1...Rf2
        • 2.Se2#
      • 1...Rb6
        • 2.Sb5#
      • 1...Bf4
        • 2.Sf3#
      • 1...Sd6
        • 2.Sc6#
      • 1...f5
        • 2.Re6#
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • P(b);N_GUARD::B(A),XR(a)
    • P(h);N_GUARD::R1(G)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(B)
      • Vars
        • B(e);SBLOCK::S(F)
      • Refutation
        • S(g);
    • Try
      • S(F);
      • Threat
        • QAR1(B)
      • Vars
        • S(g);SBLOCK::S(F)
      • Refutation
        • B(e);
  • Actual
    • S(F);N_PINR(a)
    • Threat
      • QAR1(B)
    • Vars
      • K(d);P-FLIGHT,XP(D)::QAB1(B)
      • R(a);::B(A)+S(F)
      • B(e);SBLOCK::S(F)
      • S(g);SBLOCK::S(F)
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