MESON Chess Problem Database

Problem Display
PID: 189522 (Rb5k/4N3/n2N4/1qp2B2/Q1bP4/8/1r4RK/B7 w - - 0 1)

Guerni, J

1st HM., Sydney Morning Herald, 1911

Rb5k/4N3/n2N4/1qp2B2/Q1bP4/8/1r4RK/B7

#2

9 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Rg8#
  • Keys
    • 1.d5!
      • 1...Qxa4
        • 2.Bxb2#
      • 1...Bxd5
        • 2.Qh4#
      • 1...Qe8
        • 2.Bxb2#
        • 2.Qxe8#
      • 1...Qc6
        • 2.Bxb2#
      • 1...Qd7
        • 2.Bxb2#
      • 1...Qb3
        • 2.Qe8#
      • 1...Qb4
        • 2.Qe8#
      • 1...Qa5
        • 2.Qe8#
      • 1...Qb6
        • 2.Qe8#
      • 1...Qb7
        • 2.Qe8#
      • 1...Bf1
        • 2.Qh4#
      • 1...Ba2
        • 2.Qh4#
      • 1...Be2
        • 2.Rg8#
      • 1...Bb3
        • 2.Bxb2#
        • 2.Qh4#
      • 1...Bd3
        • 2.Qh4#
      • 1...Sb4
        • 2.Bxb2#
      • 1...Sc7
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • B(b);N_PINR(B)::R1(B)
  • Actual
    • P(E);P_PINR(a)
    • Vars
      • Q(c);N_GUARD,XQ(D)::B(A),XR(a)
      • B(b);OGATE,XP(E)::QAR(D)
      • Q(c);N_GUARD::B(A),XR(a)
      • Q(c);OGATE::QAR(D)
      • B(b);OGATE::QAR(D)
      • B(b);N_PINR(B)::R1(B)
      • S(e);S_CUTQ(c)::B(A),XR(a)
      • S(e);N_PINS(G)::S(G)
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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).