MESON Chess Problem Database

Problem Display
PID: 229008 (8/2B5/P1N4p/1pk1qRr1/1Npp2nr/3Q4/3P2Bp/K1R3bn w - - 0 1)

Forti, Mario

1st HM., El Ajedrez Argentino, 1926

8/2B5/P1N4p/1pk1qRr1/1Npp2nr/3Q4/3P2Bp/K1R3bn

#2

10 + 12

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Shf2
      • 2.Qxd4#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sd3#
      • 1...dxe3+
        • 2.d4#
      • 1...Qxf5
        • 2.Qe7#
      • 1...c3
        • 2.Rxc3#
      • 1...Qd5
        • 2.Qe7#
      • 1...Shf2
        • 2.Qxd4#
      • 1...Sgf2
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(b);S_CUTB(a)::QAB1(E),XP(e)
  • Actual
    • Q(E);
    • Threat
      • S(F)
    • Vars
      • P(e);CHECK,OGATE,XQ(E)::P(C)
      • Q(j);N_SPINQ(j),OGATE,XR(G)::QAB(E)
      • P(d);OGATEB::R(B),XP(d)
      • Q(j);OGATE::QAB(E)
      • S(b);S_CUTB(a)::QAB1(E),XP(e)
      • S(f);N_GUARD::QAR2(E),XQ(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).