MESON Chess Problem Database

Problem Display
PID: 189765 (6R1/8/6b1/5PR1/4K1P1/5Nk1/5p2/5B2 w - - 0 1)

van Dijk, Johannes

De Schaakcourant, 1912

6R1/8/6b1/5PR1/4K1P1/5Nk1/5p2/5B2

#2

7 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf5+
      • 2.gxf5#
    • 1...Bh5
      • 2.gxh5#
  • Tries
    • 1.Rh8?
      • threat
        • 2.Rh3#
      • 1...Bxf5+
        • 2.gxf5#
      • 1...Bh5
        • 2.gxh5#
      • 1...Bh7!
  • Keys
    • 1.Rh5!
      • 1...Bxf5+
        • 2.gxf5#
      • 1...Kxg4
        • 2.Rg5#
      • 1...Bxh5
        • 2.gxh5#
      • 1...Bf7
        • 2.Rh3#
      • 1...Bh7
        • 2.Rh3#
      • 1...Be8
        • 2.Rh3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(c);CHECK,OGATE,XP(E)::R(F)+P(D),XB(c)
    • B(c);N_PINP(E),OGATE::R(F)+P(D),XB(c)
  • Tries
    • Try
      • R(G);
      • Threat
        • R1(G)
      • Vars
        • B(c);CHECK,OGATE,XP(E)::R(F)+P(D),XB(c)
        • B(c);N_PINP(E),OGATE::R(F)+P(D),XB(c)
      • Refutation
        • B(c);
  • Actual
    • R(F);
    • Vars
      • B(c);CHECK,OGATE,XP(E)::R(G)+P(D),XB(c)
      • K(b);OGATEB,P-FLIGHT,P_SPINB(c),XP(D)::R1(F)
      • B(c);N_PINP(E),OGATE,XR(F)::R(G)+P(D),XB(c)
      • B(c);N_PINP(E)::R1(F)
      • B(c);::R1(F)
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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).