MESON Chess Problem Database

Problem Display
PID: 258335 (1n6/N7/3p2N1/rp1k1P1K/p1R1rb1Q/BPP2Ppp/5n2/6q1 w - - 0 1)

Labai, Zoltan

Svitek, Miroslav

Problemas, 2022

1n6/N7/3p2N1/rp1k1P1K/p1R1rb1Q/BPP2Ppp/5n2/6q1

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rd4#
    • 1...Re2
      • 2.Rd4#
    • 1...Re3
      • 2.Rd4#
    • 1...Rd4
      • 2.Rxd4#
    • 1...Re5
      • 2.Sxf4#
      • 2.Rd4#
    • 1...Re6
      • 2.Rd4#
    • 1...Re7
      • 2.Rd4#
    • 1...Re8
      • 2.Rd4#
    • 1...Be5
      • 2.Se7#
    • 1...Sd1
      • 2.fxe4#
    • 1...Sh1
      • 2.fxe4#
    • 1...Sd3
      • 2.fxe4#
    • 1...Sg4
      • 2.fxe4#
  • Keys
    • 1.Qd8!
      • threat
        • 2.Rc5#
      • 1...Rxc4
        • 2.Qg8#
      • 1...bxc4
        • 2.Qxa5#
      • 1...Be3
        • 2.Qxd6#
      • 1...Sd1
        • 2.fxe4#
      • 1...Sh1
        • 2.fxe4#
      • 1...Sd3
        • 2.fxe4#
      • 1...Sg4
        • 2.fxe4#
      • 1...Sa6
        • 2.Qa8#
      • 1...Sd7
        • 2.Qa8#
      • 1...b4
        • 2.Qxa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 8
  • Sets
    • R(f);N_GUARD::R1(E)
    • R(f);N_GUARD::R1(E),XR(f)
    • B(g);SBLOCK,S_CUTR(f)::S(I)
    • S(b);N_GUARD::P(D),XR(f)
  • Actual
    • Q(F);P_PINP(k)
    • Threat
      • R1(E)
    • Vars
      • R(f);N_GUARD,XR(E)::QAB(F)
      • P(i);OGATEB,XR(E)::QAR(F),XR(h)
      • B(g);N_GUARD::QAR1(F),XP(k)
      • S(b);N_GUARD::P(D),XR(f)
      • S(l);OGATE::QAB(F)
      • S(l);N_SPINP(k),OGATE::QAB(F)
      • P(i);OGATEB::QAR(F),XR(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).