MESON Chess Problem Database

Problem Display
PID: 268398 (2bq2B1/5Q2/3p4/RN1nk1NR/6P1/5pP1/1P3P1K/2br3n w - - 0 1)

Chicco, Adriano

4th Prize, Hungarian Bulletin TT, 1949

2bq2B1/5Q2/3p4/RN1nk1NR/6P1/5pP1/1P3P1K/2br3n

#2

11 + 9

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Qxf5#
    • 1...Ba6
      • 2.Qe6#
      • 2.Qf5#
    • 1...Be6
      • 2.Qxe6#
    • 1...Bb7
      • 2.Qe6#
      • 2.Qf5#
    • 1...Se3
      • 2.Qf4#
    • 1...Se7
      • 2.Qg7#
  • Tries
    • 1.Se6+?
      • 1...Ke4
        • 2.Bh7#
        • 2.Qg6#
        • 2.Qf5#
        • 2.Qh7#
      • 1...Bg5
        • 2.Qf5#
      • 1...Qg5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Sxf3#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Qxg5
        • 2.Qg7#
      • 1...Bxg5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(h);N_GUARD::QAR1(J),XB(h)
    • S(e);N_GUARD,S_CUTB(a)::QAB1(J)
    • S(e);N_GUARD,S_CUTQ(i)::QAB(J)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • B(a);P_SPINB(a)::QAR1(J)
      • Refutation
        • Q(i);P_SPINQ(i)
  • Actual
    • S(G);P_PINS(e)
    • Threat
      • R(I)+S(H),DCHECK,XP(d)
    • Vars
      • K(f);N_GUARD,N_SPINS(e),S_CUTR(b),S_FLIGHT::QAR1(J),XS(e)
      • Q(i);N_GUARD,P_SPINQ(i),XS(H)::QAB(J)
      • B(a);N_GUARD,P_SPINB(a),XS(H)::QAB1(J)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).