MESON Chess Problem Database

Problem Display
PID: 129734 (8/6p1/6pp/3pnp2/3bk3/2ppBN2/3Q4/7K w - - 0 1)

Svozilek, Dalibor

Vecherni Praha, 1958

8/6p1/6pp/3pnp2/3bk3/2ppBN2/3Q4/7K

#2

4 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...h5
      • 2.Sg5#
  • Tries
    • 1.Bxh6?
      • threat
        • 2.Sg5#
        • 2.Qf4#
      • 1...Kxf3
        • 2.Qg2#
      • 1...Sxf3
        • 2.Qf4#
      • 1...cxd2
        • 2.Sxd2#
      • 1...f4
        • 2.Qxf4#
      • 1...Bg1
        • 2.Qf4#
      • 1...Bf2
        • 2.Qf4#
      • 1...Be3
        • 2.Qxe3#
      • 1...Bc5
        • 2.Qf4#
      • 1...Bb6
        • 2.Qf4#
      • 1...Ba7
        • 2.Qf4#
      • 1...Sc4
        • 2.Qf4#
      • 1...Sg4
        • 2.Qf4#
      • 1...Sc6
        • 2.Qf4#
      • 1...Sd7
        • 2.Qf4#
      • 1...Sf7
        • 2.Qf4#
      • 1...g5
        • 2.Sxg5#
      • 1...gxh6!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Qf4#
      • 1...Kxf3
        • 2.Qg2#
      • 1...cxd2
        • 2.Sxd2#
      • 1...hxg5
        • 2.Sxg5#
      • 1...f4
        • 2.Qxf4#
      • 1...Be3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(i);N_GUARD::S(D)
  • Tries
    • Try
      • B(C);XP(i)
      • Threat
        • DUALS(2)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
        • S(f);XS(D)::QAR1(B)
        • P(a);XQ(B)::S(D),XP(a)
        • P(g);::QAR1(B),XP(g)
        • B(c);::QAR1(B)
        • B(c);N_GUARD::QAR1(B),XB(c)
        • S(f);::QAR1(B)
        • P(h);::S(D),XP(h)
      • Refutation
        • P(j);XB(C)
  • Actual
    • B(C);
    • Threat
      • QAR1(B)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • P(a);XQ(B)::S(D),XP(a)
      • P(i);XB(C)::S(D),XP(i)
      • P(g);::QAR1(B),XP(g)
      • B(c);N_GUARD::QAR1(B),XB(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).