MESON Chess Problem Database

Problem Display
PID: 146196 (6B1/B7/6KQ/3n1Npn/Ppk2rRr/1p6/1Pb1P2b/2R5 w - - 0 1)

Bohm, Ferenc

Swiat Szachowy, 1931

6B1/B7/6KQ/3n1Npn/Ppk2rRr/1p6/1Pb1P2b/2R5

#2

10 + 10

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Se3#
  • Tries
    • 1.Qf8?
      • threat
        • 2.Qc5#
        • 2.Qc8#
      • 1...Rfxg4
        • 2.Qc5#
      • 1...Rd4
        • 2.Qc5#
      • 1...Re4
        • 2.Se3#
        • 2.Qc5#
      • 1...Bg1!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Qa6#
        • 2.Qc6#
      • 1...Sc3
        • 2.Qc6#
      • 1...Se3
        • 2.Qc6#
      • 1...Sb6
        • 2.Qc6#
      • 1...Sdf6
        • 2.Se3#
      • 1...Sc7
        • 2.Qc6#
      • 1...Se7
        • 2.Kxe7#
      • 1...Bg1
        • 2.Qa6#
      • 1...Shf6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • R(f);N_PINS(F)::S(F)
  • Tries
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);N_SPINR(f),XR(E)::QAR1(H)
        • R(f);::QAR1(H)
      • Refutation
        • B(b);
  • Actual
    • K(G);N_PINS(h),S_FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • S(h);N_SPINB(a)::QAR2(H)
      • S(h);::QAR2(H)
      • S(h);N_PINS(F)::S(F)
      • S(h);::B(J)+K(G),XS(h)
      • B(b);::QAB(H)
      • S(j);N_PINS(F)::S(F)
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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).