MESON Chess Problem Database

Problem Display
PID: 18199 (1B6/p7/P7/Kn2R1p1/1P1k2p1/pR1N1pP1/P2N1p2/5B2 w - - 0 1)

Molnar, Henrik

1st Prize, C Baja, 1954

1B6/p7/P7/Kn2R1p1/1P1k2p1/pR1N1pP1/P2N1p2/5B2

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Bxa7#
    • 1...Sd6
      • 2.Bxa7#
    • 1...Sc7
      • 2.Bxa7#
  • Tries
    • 1.Ka4?
      • 1...Sd6
        • 2.Bxa7#
      • 1...Sc7
        • 2.Bxa7#
      • 1...Sc3+!
    • 1.Sxf3+?
      • 1...Kc4
        • 2.Sc1#
        • 2.Sde1#
        • 2.Sb2#
        • 2.Sxf2#
        • 2.Sf4#
        • 2.Sc5#
        • 2.Rc5#
      • 1...gxf3!
    • 1.Rxa3?
      • 1...Sc3
        • 2.Bxa7#
      • 1...Sd6
        • 2.Bxa7#
      • 1...Sc7
        • 2.Bxa7#
      • 1...Sxa3!
    • 1.Rf5?
      • 1...Sc3
        • 2.Bxa7#
      • 1...Sd6
        • 2.Bxa7#
      • 1...Sc7
        • 2.Bxa7#
      • 1...Ke3!
    • 1.Rxg5?
      • 1...Sc3
        • 2.Bxa7#
      • 1...Sd6
        • 2.Bxa7#
      • 1...Sc7
        • 2.Bxa7#
      • 1...Ke3!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Se6#
        • 2.Rd3#
        • 2.Re4#
        • 2.Rd5#
      • 1...gxf4
        • 2.Rd3#
      • 1...Sd6
        • 2.Rd5#
      • 1...Sc7
        • 2.Re4#
      • 1...Sc3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::B(K),XP(h)
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Vars
        • S(f);N_GUARD::B(K),XP(h)
      • Refutation
        • S(f);CHECK
    • Try
      • S(C);CHECK,XP(c)
      • Refutation
        • P(e);XS(C)
    • Try
      • R(D);XP(b)
      • Vars
        • S(f);N_GUARD::B(K),XP(h)
      • Refutation
        • S(f);XR(D)
    • Try
      • R(I);
      • Vars
        • S(f);N_GUARD::B(K),XP(h)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(I);XP(g)
      • Vars
        • S(f);N_GUARD::B(K),XP(h)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • DUALS(4)
    • Vars
      • P(g);XS(E)::R1(D)
      • S(f);::R1(I)
      • S(f);::S(E)
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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).