MESON Chess Problem Database

Problem Display
PID: 54937 (3r4/B1p2pNb/K1pQ4/1Rpn2nR/1p2kp2/5p1p/2P2P2/1N6 w - - 0 1)

Talaber, Laszlo

2nd Prize, Gross MT, 1950

3r4/B1p2pNb/K1pQ4/1Rpn2nR/1p2kp2/5p1p/2P2P2/1N6

#2

9 + 13

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rxb4#
    • 1...Sc3
      • 2.Sd2#
    • 1...Se3
      • 2.Sd2#
    • 1...Sb6
      • 2.Sd2#
    • 1...Sf6
      • 2.Sd2#
    • 1...Se7
      • 2.Sd2#
    • 1...Se6
      • 2.Qe5#
    • 1...c4
      • 2.Sd2#
  • Tries
    • 1.Rxb4+?
      • 1...cxb4
        • 2.Sd2#
      • 1...c4
        • 2.Sd2#
        • 2.Rxc4#
      • 1...Sxb4+!
  • Keys
    • 1.Qxc5!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qe7#
      • 1...Sc3
        • 2.Qe5#
      • 1...Se3
        • 2.Qe5#
      • 1...Sb6
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Se7
        • 2.Qe5#
      • 1...Se6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(d);P-FLIGHT,P_SPINP(f),P_SPINS(g)::R(D),XP(c)
    • S(g);::S(A)
    • S(h);::QAR1(G)
    • P(f);::S(A)
  • Tries
    • Try
      • R(D);CHECK,XP(c)
      • Vars
        • P(f);XR(D)::S(A)
      • Refutation
        • S(g);CHECK,XR(D)
  • Actual
    • Q(G);XP(f)
    • Threat
      • QAR1(G)
    • Vars
      • K(d);P-FLIGHT,P_SPINS(g)::QAR2(G)
      • S(g);OGATE::QAR1(G)
      • S(h);::S(A)
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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).