MESON Chess Problem Database

Problem Display
PID: 257498 (8/6p1/4K1p1/2p5/2pk4/P5p1/2p3P1/2N2N1Q w - - 0 1)

Galitzky, Aleksandr Vasilevich

Wiener Schachzeitung, 1895

8/6p1/4K1p1/2p5/2pk4/P5p1/2p3P1/2N2N1Q

#2

6 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qh4#
    • 1...c3
      • 2.Qh4#
  • Tries
    • 1.Qg1+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kc3!
    • 1.Qh8?
      • 1...Kc3
        • 2.Qxg7#
      • 1...Ke4
        • 2.Qh4#
      • 1...c3
        • 2.Qh4#
      • 1...g5!
  • Keys
    • 1.Qh7!
      • 1...Kc3
        • 2.Qxg7#
      • 1...Ke4
        • 2.Qh4#
      • 1...g5
        • 2.Se2#
      • 1...c3
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);N_GUARD,P-FLIGHT::QAR(C)
    • P(c);SBLOCK::QAR(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR1(C)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(C);P_PINP(g)
      • Vars
        • K(d);N_GUARD,S_FLIGHT::QAB(C),XP(g)
        • K(d);N_GUARD,N_SPINP(g),P-FLIGHT::QAR(C)
        • P(c);SBLOCK::QAR(C)
      • Refutation
        • P(f);
  • Actual
    • Q(C);
    • Vars
      • K(d);N_GUARD,S_FLIGHT::QAB(C),XP(g)
      • K(d);N_GUARD,P-FLIGHT,P_SPINP(f)::QAR(C)
      • P(f);::S(A)
      • P(c);SBLOCK::QAR(C)
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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).