MESON Chess Problem Database

Problem Display
PID: 19157 (8/7B/4p2B/KQ3N1n/Np3r2/1p1P4/1bk1PR2/1b5R w - - 0 1)

Persson, Hol Holger

Vasterbottens-Kuriren, 1933

8/7B/4p2B/KQ3N1n/Np3r2/1p1P4/1bk1PR2/1b5R

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.e4#
    • 1...Rf3
      • 2.exf3#
    • 1...Rd4
      • 2.e3#
      • 2.e4#
    • 1...Re4
      • 2.e3#
    • 1...Rg4
      • 2.e3#
      • 2.e4#
    • 1...Rh4
      • 2.e3#
      • 2.e4#
  • Keys
    • 1.d4!
      • threat
        • 2.Qd3#
      • 1...Kd2
        • 2.e4#
      • 1...Rxd4
        • 2.Sxd4#
      • 1...Rxf5
        • 2.e3#
      • 1...Rf3
        • 2.exf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT,P_SPINR(f)::R(C)+P(B)
    • R(f);OGATE::R(C)+P(B),XR(f)
    • R(f);N_GUARD::R(C)+P(B)
  • Actual
    • P(D);
    • Threat
      • QAB1(G)
    • Vars
      • K(c);P-FLIGHT,P_SPINR(f)::R(C)+P(B)
      • R(f);XP(D)::B(J)+S(H),DCHECK,XR(f)
      • R(f);N_GUARD,P_PINQ(G),P_SPINR(f),XS(H)::R(C)+P(B)
      • R(f);OGATE::R(C)+P(B),XR(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).