MESON Chess Problem Database

Problem Display
PID: 193951 (1NrR1b2/P1k1p3/K6p/p1p5/2P3b1/1n1Q1p1q/3B4/r2R4 w - - 0 1)

Janet, Frank

Pittsburgh Gazette-Times, 1916

1NrR1b2/P1k1p3/K6p/p1p5/2P3b1/1n1Q1p1q/3B4/r2R4

#2

8 + 12

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Bf4#
    • 1...e6
      • 2.Rd7#
      • 2.Qd7#
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qb6#
      • 1...Kxd8
        • 2.Bxa5#
      • 1...Rxb8
        • 2.axb8Q#
      • 1...Rxd8
        • 2.Qc6#
      • 1...Be6
        • 2.Bf4#
      • 1...e6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(e);S_CUTP(j)::B(B)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(i);S_FLIGHT,XR(H)::R(A)+B(B),DCHECK,XP(f)
      • R(k);OGATE,XS(G)::PXR(k)=Q
      • R(k);SBLOCK,XR(H)::QAR1(C)
      • B(e);S_CUTP(j)::B(B)
      • P(j);S_CUTB(e)::R1(H)
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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).