MESON Chess Problem Database

Problem Display
PID: 246482 (2bN1RK1/1p1Nk1p1/2n1P1P1/r4p2/Bb6/2q3B1/3Q4/4R3 w - - 0 1)

Szoghy, Jozsef

Sjakk-Nytt, 1948

2bN1RK1/1p1Nk1p1/2n1P1P1/r4p2/Bb6/2q3B1/3Q4/4R3

#2

10 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Bh4#
    • 1...Qc2
      • 2.Bh4#
      • 2.Qg5#
    • 1...Qa3
      • 2.Bh4#
      • 2.Qg5#
    • 1...Qb3
      • 2.Bh4#
      • 2.Qg5#
    • 1...Qd3
      • 2.Qg5#
    • 1...Qf3
      • 2.Bh4#
      • 2.Qg5#
    • 1...Qc4
      • 2.Qg5#
    • 1...Qc5
      • 2.Bh4#
      • 2.Qg5#
    • 1...Rc5
      • 2.Bd6#
      • 2.Qd6#
    • 1...Re5
      • 2.Bh4#
    • 1...Bd6
      • 2.Bxd6#
      • 2.Qxd6#
    • 1...Bxd7
      • 2.Qxd7#
    • 1...Sd4
      • 2.Qg5#
    • 1...Se5
      • 2.Bh4#
  • Tries
    • 1.Sxc6+?
      • 1...Qxc6
        • 2.Bh4#
        • 2.Qg5#
      • 1...bxc6!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sxc8#
      • 1...Bxe6+
        • 2.Rxe6#
      • 1...Sxd8
        • 2.Qxd8#
      • 1...Ra8
        • 2.Sd5#
      • 1...Bd7
        • 2.Qxd7#
      • 1...Sd4
        • 2.Qg5#
      • 1...Se5
        • 2.Bh4#
      • 1...Sa7
        • 2.Rf7#
      • 1...Sb8
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • Q(a);N_GUARD::B(C)
    • Q(a);N_GUARD::QAB(B)
    • Q(a);N_GUARD,P_PINP(E)::QAB(B)
    • R(c);S_CUTQ(a)::B(C)
    • B(i);OGATE,XS(G)::QAR1(B),XB(i)
    • S(e);S_CUTQ(a)::QAB(B)
    • S(e);S_CUTQ(a)::B(C)
  • Tries
    • Try
      • S(H);CHECK,XS(e)
      • Refutation
        • P(f);XS(H)
  • Actual
    • S(G);
    • Threat
      • S(G),XB(i)
    • Vars
      • B(i);CHECK,OGATE,P_SPINB(i),XP(E)::R1(A),XB(i)
      • S(e);OGATE,XS(H)::QAB1(B),XS(e)
      • R(c);N_GUARD::S(G)
      • B(i);N_GUARD::QAR1(B),XB(i)
      • S(e);S_CUTQ(a)::QAB(B)
      • S(e);S_CUTQ(a)::B(C)
      • S(e);::R1(I)
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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).