MESON Chess Problem Database

Problem Display
PID: 108723 (3BnK2/7p/4R1N1/2N1pk1r/1r1Q1p2/5B2/7n/q2b4 w - - 0 1)

Kruk, Henryk

3rd Prize, Wola Gulowska, 1993

3BnK2/7p/4R1N1/2N1pk1r/1r1Q1p2/5B2/7n/q2b4

#2

7 + 10

15345 Wola Gulowska Award 1993
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Qxe5#
    • 1...Qc1
      • 2.Qxe5#
    • 1...Qa2
      • 2.Qxe5#
    • 1...Qa3
      • 2.Qxe5#
    • 1...Qa4
      • 2.Qxe5#
    • 1...Qa5
      • 2.Qxe5#
    • 1...Qa6
      • 2.Qxe5#
    • 1...Qa7
      • 2.Qxe5#
    • 1...Qa8
      • 2.Qxe5#
    • 1...Rb1
      • 2.Qe4#
    • 1...Rb2
      • 2.Qxe5#
      • 2.Qe4#
    • 1...Rb3
      • 2.Qe4#
    • 1...Rb5
      • 2.Qe4#
    • 1...Rb6
      • 2.Qe4#
    • 1...Rb7
      • 2.Qe4#
    • 1...Rb8
      • 2.Qe4#
    • 1...Rh4
      • 2.Sxh4#
    • 1...Rg5
      • 2.Sh4#
      • 2.Se7#
    • 1...Sg4
      • 2.Be4#
    • 1...hxg6
      • 2.Rxe5#
  • Tries
    • 1.Qd3+?
      • 1...Re4
        • 2.Qxe4#
      • 1...e4!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Se7#
      • 1...hxg6
        • 2.Qxg6#
      • 1...Qa7
        • 2.Rxe5#
      • 1...Rb7
        • 2.Be4#
      • 1...Sg4
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 14
  • Sets
    • Q(a);N_GUARD::QAR1(B),XP(f)
    • R(d);N_GUARD::QAB1(B)
    • R(h);N_GUARD::S(E),XR(h)
    • S(c);SBLOCK::B(A)
    • P(i);SBLOCK,XS(E)::R1(D),XP(f)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • R(d);N_GUARD,P_SPINR(d)::QAB1(B),XR(d)
      • Refutation
        • P(f);P_SPINP(f)
  • Actual
    • Q(B);
    • Threat
      • S(E)
    • Vars
      • P(i);OGATE,XS(E)::QAB1(B),XP(i)
      • Q(a);N_GUARD::R1(D),XP(f)
      • R(d);N_GUARD::B(A)
      • S(c);N_GUARD::QAB1(B),XS(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).