MESON Chess Problem Database

Problem Display
PID: 63297 (nn6/rP2N1K1/2pN4/p1k1p3/p5R1/2r5/BQb4b/3R4 w - - 0 1)

Farnes, K

Chess, 1945

nn6/rP2N1K1/2pN4/p1k1p3/p5R1/2r5/BQb4b/3R4

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Rc4#
    • 1...Rd3
      • 2.Se4#
    • 1...Re3
      • 2.Rc4#
    • 1...Rf3
      • 2.Rc4#
    • 1...Rh3
      • 2.Rc4#
    • 1...Rc4
      • 2.Rxc4#
    • 1...Rxb7
      • 2.Sxb7#
    • 1...Be4
      • 2.Sxe4#
  • Keys
    • 1.Sec8!
      • threat
        • 2.Qxc3#
      • 1...Rxb7+
        • 2.Sxb7#
      • 1...Ra3
        • 2.Rc4#
        • 2.Qxa3#
      • 1...Rb3
        • 2.Rc4#
      • 1...Rd3
        • 2.Se4#
      • 1...Re3
        • 2.Rc4#
      • 1...Rf3
        • 2.Rc4#
      • 1...Rg3
        • 2.Qxe5#
      • 1...Rh3
        • 2.Rc4#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Bb3
        • 2.Qa3#
      • 1...Bd3
        • 2.Qf2#
      • 1...Sb6
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD::R1(D)
    • R(c);S_CUTB(a)::S(E)
    • R(c);N_GUARD::R1(D),XR(c)
    • R(i);P_PINS(G),XP(F)::S(E),XR(i)
    • B(a);N_GUARD::S(E),XB(a)
  • Actual
    • S(G);P_SPINP(F)
    • Threat
      • QAR2(C),XR(c)
    • Vars
      • R(i);CHECK,XP(F)::S(E),XR(i)
      • R(c);N_GUARD::R1(D)
      • R(c);S_CUTB(a)::S(E)
      • R(c);OGATE,P_PINR(D)::QAR2(C),XP(g)
      • R(c);N_GUARD::R1(D),XR(c)
      • B(a);S_CUTR(c)::QAB(C)
      • B(a);OGATE::QAB(C)
      • S(j);N_GUARD::QAB1(C),XS(j)
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).