MESON Chess Problem Database

Problem Display
PID: 219069 (2r5/5R2/2B5/3pk3/3bN3/2N5/1BK1R3/8 w - - 0 1)

Block, AB

Baltimore American and Commercial Advertiser, 1882

2r5/5R2/2B5/3pk3/3bN3/2N5/1BK1R3/8

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sed6#
      • 1...Rxc6+
        • 2.Sc5#
      • 1...Ke6
        • 2.Sg5#
      • 1...dxe4
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);P_PINB(a),P_SPINB(F)
    • Threat
      • DUALS(6)
    • Vars
      • R(d);CHECK,XB(F)::R(C)+S(E)
      • K(c);N_SPINB(a),P-FLIGHT::R(C)+S(E),DCHECK
      • P(b);OGATE,P_SPINP(b),XS(E)::R1(C),XP(b)
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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).