MESON Chess Problem Database

Problem Display
PID: 55886 (4br2/2p2PB1/8/N1pPnR1Q/R1Nkp1p1/2b5/4P3/n5K1 w - - 0 1)

Mansfield, Comins

4th HM., Magyar Sakkelet, 1978

4br2/2p2PB1/8/N1pPnR1Q/R1Nkp1p1/2b5/4P3/n5K1

#2

10 + 10

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Keys
    • 1.Rf6!
      • threat
        • 2.Qxe5#
      • 1...Sf3+
        • 2.Rxf3#
      • 1...Kxd5
        • 2.Se3#
      • 1...Sxc4
        • 2.Rf3#
      • 1...Sxf7
        • 2.Rxf7#
      • 1...Sd3
        • 2.e3#
      • 1...Sc6
        • 2.Rxc6#
      • 1...Sg6
        • 2.Rxg6#
      • 1...Sd7
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(G);N_PINS(g)
    • Threat
      • QAB1(H),XS(g)
    • Vars
      • S(g);CHECK,OGATEB::B(J)+R(G),XS(g)
      • K(c);P-FLIGHT,P_SPINS(g),XP(F)::S(D)
      • S(g);OGATEB,P_SPINS(g),XS(D)::B(J)+R(G)
      • S(g);OGATE,XP(I)::B(J)+R(G),XS(g)
      • S(g);SBLOCK::P(B)
      • S(g);OGATEB::B(J)+R(G),XS(g)
      • S(g);N_GUARD,S_CUTB(i)::S(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).