MESON Chess Problem Database

Problem Display
PID: 275822 (B5q1/4pbn1/2R5/4Pp1p/1N1pkBn1/7N/6P1/4K3 w - - 0 1)

Velasco, Jose Luis

Pat a Mat, 2024

B5q1/4pbn1/2R5/4Pp1p/1N1pkBn1/7N/6P1/4K3

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qh7
      • 2.Re6#
    • 1...Se6
      • 2.Rc8#
    • 1...Se8
      • 2.Re6#
    • 1...d3
      • 2.Rc4#
    • 1...e6
      • 2.Rc8#
  • Keys
    • 1.g3!
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Rc3#
      • 1...d3
        • 2.Rc4#
      • 1...Se6
        • 2.Rc8#
      • 1...Se8
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(i);N_GUARD::B(H)+R(G)
    • S(h);S_CUTB(g)::B(H)+R(G)
    • S(h);S_CUTQ(i)::B(H)+R(G)
    • P(a);::B(H)+R(G),DCHECK
    • P(f);S_CUTB(g)::B(H)+R(G)
  • Actual
    • P(B);
    • Threat
      • S(C)
    • Vars
      • K(b);S_FLIGHT::B(H)+R(G),DCHECK
      • P(a);::B(H)+R(G),DCHECK
      • S(h);S_CUTB(g)::B(H)+R(G)
      • S(h);S_CUTQ(i)::B(H)+R(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).