MESON Chess Problem Database

Problem Display
PID: 163003 (n7/1p2pr1n/1r3b2/1N1kB1P1/P1bPNR2/2Rp3Q/6K1/8 w - - 0 1)

Janevski, Zivko

Tehtavaniekka, 2012

n7/1p2pr1n/1r3b2/1N1kB1P1/P1bPNR2/2Rp3Q/6K1/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qe6#
    • 1...Rxb5
      • 2.Qd7#
    • 1...Ba2
      • 2.Rc5#
    • 1...Bb3
      • 2.Rc5#
    • 1...Bxb5
      • 2.Rc5#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qf3#
      • 1...Kc6
        • 2.Qd7#
      • 1...Sxg5!
    • 1.Sc7+?
      • 1...Kc6
        • 2.Rxc4#
        • 2.Qe6#
        • 2.d5#
      • 1...Sxc7!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Sc5#
      • 1...Kc6
        • 2.Sxf6#
      • 1...Ke6
        • 2.Sc5#
      • 1...Sxg5
        • 2.Sxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • K(c);P_SPINB(b),S_FLIGHT::QAR2(C)
    • R(d);N_GUARD,XS(H)::QAR2(C)
    • B(b);OGATE::R1(B)
    • B(b);OGATE,XS(H)::R1(B)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAB(C)
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • S(i);XP(J)
    • Try
      • S(H);CHECK
      • Refutation
        • S(j);XS(H)
  • Actual
    • Q(C);
    • Threat
      • QAB(C)+S(F)
    • Vars
      • K(c);P_SPINB(b),S_FLIGHT::QAB(C)+S(F),XB(e)
      • K(c);S_FLIGHT::S(F)
      • S(i);XP(J)::QAB(C)+S(F),XS(i)
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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).