MESON Chess Problem Database

Problem Display
PID: 22214 (k7/2K1p3/3p4/1P3nb1/4p1R1/1Ppr3q/6nR/4rQB1 w - - 0 1)

Grevlund, Per

Skakbladet, 1975

k7/2K1p3/3p4/1P3nb1/4p1R1/1Ppr3q/6nR/4rQB1

#2

7 + 11

3771 FIDE Album (1974-1976) 1980
15422 Problemskak 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg4
      • 2.Rh8#
    • 1...Qf3
      • 2.Rh8#
    • 1...Qg3
      • 2.Rh8#
    • 1...Qh8
      • 2.Rxh8#
    • 1...Ra1
      • 2.Qxa1#
    • 1...Ree3
      • 2.Qa1#
    • 1...Bc1
      • 2.Rg8#
    • 1...Bd2
      • 2.Rg8#
    • 1...Bf4
      • 2.Rg8#
    • 1...Bh4
      • 2.Rg8#
    • 1...Bf6
      • 2.Rg8#
    • 1...Sge3
      • 2.Ra2#
    • 1...Sf4
      • 2.Ra2#
    • 1...Sgh4
      • 2.Ra2#
    • 1...Sg3
      • 2.Qf8#
    • 1...Sfh4
      • 2.Qf8#
    • 1...Sh6
      • 2.Qf8#
    • 1...e3
      • 2.Ra4#
  • Keys
    • 1.b6!
      • threat
        • 2.b7#
      • 1...Qe3
        • 2.Rh8#
      • 1...Ree3
        • 2.Qa1#
      • 1...Rde3
        • 2.Qa6#
      • 1...Rd4
        • 2.Qa6#
      • 1...Be3
        • 2.Rg8#
      • 1...Sge3
        • 2.Ra2#
      • 1...Sfe3
        • 2.Qf8#
      • 1...Sd4
        • 2.Qf8#
      • 1...e3
        • 2.Ra4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 15
  • Sets
    • Q(e);OGATE,XR(E)::R(C)
    • Q(e);OGATE::R(C)
    • Q(e);OGATE::R(C),XQ(e)
    • R(a);OGATE::QAB(A),XR(a)
    • R(a);OGATE::QAB(A)
    • B(h);OGATE::R(E)
    • S(b);OGATE::R(C)
    • S(g);OGATE::QAR(A)
    • P(f);OGATE::R(E)
  • Actual
    • P(F);
    • Threat
      • P(F)
    • Vars
      • Q(e);OGATE::R(C)
      • R(a);OGATE::QAB(A)
      • R(d);OGATE::QAR2(A)
      • B(h);OGATE::R(E)
      • S(b);OGATE::R(C)
      • S(g);OGATE::QAR(A)
      • P(f);OGATE::R(E)
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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).