MESON Chess Problem Database

Problem Display
PID: 24314 (3b4/7Q/p2Pkp2/R6N/KnR3r1/B3nN1B/p1p5/1r5b w - - 0 1)

Hebelt, Vaclav

1st Prize, Match: Hungary - Poland, 1938

3b4/7Q/p2Pkp2/R6N/KnR3r1/B3nN1B/p1p5/1r5b

#2

9 + 11

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Bb6
      • 2.Qe7#
    • 1...Bc7
      • 2.Qe7#
    • 1...Be7
      • 2.Qxe7#
    • 1...Sd3
      • 2.Sd4#
    • 1...Sd5
      • 2.Re4#
    • 1...Sc6
      • 2.Sf4#
  • Keys
    • 1.Rc7!
      • threat
        • 2.Qd7#
      • 1...Sd3+
        • 2.Sd4#
      • 1...Sbd5+
        • 2.Qe4#
      • 1...Sc6+
        • 2.Sf4#
      • 1...Kxd6
        • 2.Qd7#
      • 1...Bxc7
        • 2.Qe7#
      • 1...Be7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(k);N_GUARD::QAR1(I)
    • B(k);N_GUARD::QAR1(I),XB(k)
    • S(f);P_PINR(E)::S(B)
    • S(f);P_PINR(E)::R(E)
    • S(f);P_PINR(E)::S(G)
  • Actual
    • R(E);
    • Threat
      • QAB1(I)
    • Vars
      • S(f);CHECK::S(B)
      • S(f);CHECK::QAR2(I)
      • S(f);CHECK::S(G)
      • K(i);N_SPINR(g),P-FLIGHT,P_SPINS(f),XP(H)::QAR1(I)
      • B(k);N_GUARD,XR(E)::QAR1(I)
      • B(k);N_GUARD::QAR1(I),XB(k)
HTML5 logo

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).