MESON Chess Problem Database

Problem Display
PID: 206455 (2bB4/3pn2p/R2b1N1P/3Pk2p/4P2N/4QK2/n7/8 w - - 0 1)

Boros, Sandor

Weisz, Odon

Comm., Leipziger Tageblatt, 1925

2bB4/3pn2p/R2b1N1P/3Pk2p/4P2N/4QK2/n7/8

#2

9 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Qf4#
    • 1...Bxa6
      • 2.Sxd7#
    • 1...Bb7
      • 2.Sxd7#
    • 1...Sc1
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sb4
      • 2.Qc3#
    • 1...Sxd5
      • 2.exd5#
    • 1...Sf5
      • 2.exf5#
  • Keys
    • 1.Kg3!
      • 1...Kxf6+
        • 2.Qf4#
      • 1...Sf5+
        • 2.exf5#
      • 1...Bxa6
        • 2.Sxd7#
      • 1...Sxd5
        • 2.exd5#
      • 1...Sc1
        • 2.Qc3#
      • 1...Ba3
        • 2.Sf3#
      • 1...Bb4
        • 2.Sf3#
      • 1...Bc5
        • 2.Sf3#
      • 1...Bc7
        • 2.Sf3#
      • 1...Bb8
        • 2.Sf3#
      • 1...Bb7
        • 2.Sxd7#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sb4
        • 2.Qc3#
      • 1...Sc6
        • 2.Sf3#
      • 1...Sg6
        • 2.Sf3#
      • 1...Sg8
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINB(d),P_SPINS(f),S_FLIGHT,XS(G)::QAR2(A)
    • B(h);N_GUARD,XR(F)::S(G),XP(e)
    • B(h);N_GUARD::S(G),XP(e)
    • S(a);N_GUARD::QAB(A)
    • S(a);N_GUARD::QAB(A),XS(a)
    • S(f);OGATE,XP(E)::QAR(A)+P(C),XS(f)
    • S(f);OGATE::QAR(A)+P(C),XS(f)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(b);CHECK,P_SPINB(d),P_SPINS(f),S_FLIGHT,XS(G)::QAR2(A)
      • S(f);CHECK,OGATE::QAR(A)+P(C),XS(f)
      • B(h);N_GUARD,XR(F)::S(G),XP(e)
      • S(f);OGATE,XP(E)::QAR(A)+P(C),XS(f)
      • S(a);N_GUARD::QAB(A)
      • B(d);::S(D)
      • B(h);N_GUARD::S(G),XP(e)
      • S(a);N_GUARD::QAB(A),XS(a)
      • S(f);::S(D)
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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).