MESON Chess Problem Database

Problem Display
PID: 99632 (2R2K2/5B2/rP2N2p/r1pn4/PBk1p1R1/2P5/2P2p2/2bN3b w - - 0 1)

Kiss, Janos

Magyar Sakkszovetseg, 1967

2R2K2/5B2/rP2N2p/r1pn4/PBk1p1R1/2P5/2P2p2/2bN3b

#2

11 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa4
      • 2.Rxc5#
    • 1...Bb2
      • 2.Sxb2#
    • 1...Bd2
      • 2.Sb2#
    • 1...Be3
      • 2.Sb2#
    • 1...Bf4
      • 2.Sb2#
    • 1...Bg5
      • 2.Sb2#
    • 1...Sf4
      • 2.Sxf4#
    • 1...Sc7
      • 2.Sxc7#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Bxd5#
      • 1...Rxa4
        • 2.Rxc5#
      • 1...Bxf4
        • 2.Sb2#
      • 1...e3
        • 2.Sg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(f);N_GUARD,XP(D)::R1(J),XP(g)
    • B(a);N_GUARD::S(A),XB(a)
    • B(a);N_GUARD::S(A)
    • B(a);N_GUARD,N_SPINP(e),P_SPINP(g)::S(A)
    • S(h);N_SPINP(e),P_SPINP(g)::B(I)+S(H),XS(h)
    • S(h);::B(I)+S(H),XS(h)
  • Actual
    • S(H);N_PINP(e),P_PINP(g),P_PINS(h)
    • Threat
      • B(I),XS(h)
    • Vars
      • R(f);N_GUARD,XP(D)::R1(J),XP(g)
      • B(a);N_GUARD,XS(H)::S(A)
      • P(e);::R(F)+S(H)
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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).