MESON Chess Problem Database

Problem Display
PID: 194287 (8/3p1p2/Rn1pk2P/1n1Np3/pP2N1Pb/P2K2p1/6B1/2Q5 w - - 0 1)

Heltai, Istvan

Pesti Naplo, 1917

8/3p1p2/Rn1pk2P/1n1Np3/pP2N1Pb/P2K2p1/6B1/2Q5

#2

10 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bg5
      • 2.Sxg5#
    • 1...Sc4
      • 2.Sc5#
    • 1...Sa8
      • 2.Sc5#
    • 1...Sc8
      • 2.Sc5#
  • Keys
    • 1.Qg5!
      • 1...Kxd5
        • 2.Sc5#
      • 1...Bxg5
        • 2.Sxg5#
      • 1...Sxa3
        • 2.Sc7#
      • 1...Sxd5
        • 2.Sc5#
      • 1...f5
        • 2.Qg8#
      • 1...f6
        • 2.Qg8#
      • 1...Sc3
        • 2.Sc7#
      • 1...Sd4
        • 2.Sc7#
      • 1...Sa7
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sc4
        • 2.Sc5#
      • 1...Sa8
        • 2.Sc5#
      • 1...Sc8
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::S(F),XB(c)
    • S(f);P_SPINP(g)::S(F)
  • Actual
    • Q(A);
    • Vars
      • K(h);P_SPINP(e),S_FLIGHT,XS(H)::B(B)+S(F)
      • B(c);XQ(A)::S(F),XB(c)
      • S(d);N_GUARD,XP(C)::S(H)
      • S(f);P_SPINP(g),XS(H)::S(F)
      • P(j);OGATEB::QAB(A)
      • S(d);N_GUARD::S(H)
      • S(d);N_GUARD::S(H),XS(d)
      • S(f);P_SPINP(g)::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).