MESON Chess Problem Database

Problem Display
PID: 73478 (7K/2R5/7p/3p2B1/B1np4/1n3R2/bpPP4/1rkN1Q2 w - - 0 1)

Buchwald, Julius

7th HM., Chess Life, 1950

7K/2R5/7p/3p2B1/B1np4/1n3R2/bpPP4/1rkN1Q2

#2

9 + 9

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Sf2#
      • 2.Sc3#
    • 1...Sbxd2
      • 2.Sf2#
      • 2.Sc3#
    • 1...Sba5
      • 2.Sf2#
      • 2.Sc3#
    • 1...Sc5
      • 2.Sf2#
      • 2.Sc3#
    • 1...Scxd2
      • 2.Sf2#
      • 2.cxb3#
    • 1...Sa3
      • 2.Sf2#
    • 1...Sca5
      • 2.Sf2#
    • 1...Se5
      • 2.Sf2#
    • 1...Sb6
      • 2.Sf2#
    • 1...Sd6
      • 2.Sf2#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Se3#
      • 1...Sbxd2
        • 2.Sf2#
        • 2.Sc3#
      • 1...Scxd2
        • 2.Sf2#
        • 2.cxb3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Kxc2!
    • 1.Qe1?
      • threat
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Kxc2!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Se3#
      • 1...Kxc2
        • 2.d3#
      • 1...Sbxd2
        • 2.Sc3#
      • 1...Scxd2
        • 2.cxb3#
      • 1...Se3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • S(f);::QAR(B)+S(A)
  • Tries
    • Try
      • R(E);
      • Threat
        • QAR(B)+S(A)
      • Vars
        • S(f);::QAR(B)+S(A),XS(f)
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(e),XP(C)
    • Try
      • Q(B);
      • Threat
        • QAR(B)+S(A)
      • Vars
        • S(f);::QAR(B)+S(A),XS(f)
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(e),XP(C)
  • Actual
    • R(E);
    • Threat
      • QAR(B)+S(A)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(e),XP(C)::R(E)+P(D)
      • S(e);P_SPINS(e),XP(D)::QAR(B)+S(A)
      • S(f);P_SPINS(f),XP(D)::R(H)+P(C),XS(e)
      • S(f);::QAR(B)+S(A),XS(f)
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