MESON Chess Problem Database

Problem Display
PID: 219081 (8/pRp2qp1/P4N1B/kBn2Pr1/r4n1K/QRP2b1p/8/8 w - - 0 1)

Munoz, JB

Baltimore American and Commercial Advertiser, 1882

8/pRp2qp1/P4N1B/kBn2Pr1/r4n1K/QRP2b1p/8/8

#2

10 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb3
      • 2.Qxa4#
    • 1...Sd3
      • 2.Qxa4#
    • 1...Se4
      • 2.Qxa4#
    • 1...Sxa6
      • 2.Qxa4#
    • 1...Se6
      • 2.Qxa4#
    • 1...Sd7
      • 2.Qxa4#
  • Keys
    • 1.Qb4+!
      • 1...Rxb4
        • 2.cxb4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • S(f);N_GUARD,XR(B)::QAR1(A),XR(c)
    • S(f);N_GUARD::QAR1(A),XR(c)
    • S(f);N_GUARD,XP(G)::QAR1(A),XR(c)
  • Actual
    • Q(A);CHECK,N_PINR(c)
    • Vars
      • R(c);OGATE,XQ(A)::P(C),XR(c)
HTML5 logo

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).