MESON Chess Problem Database

Problem Display
PID: 100773 (1bK3B1/2n3NQ/1p2r3/1N1k4/2pP3n/2p3P1/4P3/8 w - - 0 1)

Marik, Josef V

Narodni listy, 1903

1bK3B1/2n3NQ/1p2r3/1N1k4/2pP3n/2p3P1/4P3/8

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Qh1#
    • 1...Sg6
      • 2.Qh1#
  • Tries
    • 1.Kb7?
      • threat
        • 2.e4#
      • 1...Sf5
        • 2.Qxf5#
        • 2.Qh1#
      • 1...Sg6
        • 2.Qh1#
      • 1...Sxb5!
    • 1.Kd7?
      • threat
        • 2.e4#
      • 1...Sf5
        • 2.Qxf5#
        • 2.Qh1#
      • 1...Sg6
        • 2.Qh1#
      • 1...Sxb5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se7#
      • 1...Ke4
        • 2.Sxc3#
      • 1...Kc6
        • 2.Qd7#
      • 1...Sxf5
        • 2.Qh1#
      • 1...Sxb5
        • 2.Qb7#
      • 1...Sg6
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::QAB(F)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • P(A)
      • Vars
        • S(c);OGATE::QAB(F)
      • Refutation
        • S(g);XS(D)
    • Try
      • K(G);S_FLIGHT
      • Threat
        • P(A)
      • Vars
        • S(c);OGATE::QAB(F)
      • Refutation
        • S(g);XS(D)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);N_SPINR(f),S_FLIGHT::S(D),XP(a)
      • K(d);N_SPINR(f),S_FLIGHT::QAB1(F)
      • S(c);OGATE,XS(E)::QAB(F)
      • S(g);OGATE,XS(D)::QAB(F)
      • S(c);OGATE::QAB(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).