Problem Display
PID: 268765 (r3R3/4B3/7r/2N5/4BPP1/1PK1kpQ1/R3P1b1/8 w - - 0 1)

Moen, Kabe

Problemas, 2020

r3R3/4B3/7r/2N5/4BPP1/1PK1kpQ1/R3P1b1/8

#2

11 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qxf3#
    • 1...Bh3
      • 2.Qxf3#
  • Tries
    • 1.Bg5?
      • threat
        • 2.f5#
      • 1...Rxa2
        • 2.Bg6#
      • 1...Rh5
        • 2.Bxa8#
      • 1...Rg6!
  • Keys
    • 1.Bxf3!
      • threat
        • 2.Bxg2#
      • 1...Rxa2
        • 2.Bf6#
      • 1...Bxf3
        • 2.Qxf3#
      • 1...Rh3
        • 2.Bd8#
      • 1...Bf1
        • 2.Bh1#
        • 2.Bg2#
        • 2.Be4#
        • 2.Bd5#
        • 2.Bc6#
        • 2.Bb7#
        • 2.Bxa8#
      • 1...Bh1
        • 2.Bxh1#
        • 2.Bg2#
      • 1...Bh3
        • 2.Bh1#
        • 2.Bg2#
        • 2.Be4#
        • 2.Bd5#
        • 2.Bc6#
        • 2.Bb7#
        • 2.Bxa8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::QAR1(E),XP(c)
  • Tries
    • Try
      • B(J);
      • Threat
        • B(J)+P(G)
      • Vars
        • R(e);N_GUARD,XR(A)::R(K)+B(F)
        • R(d);N_GUARD::R(K)+B(F),XR(e)
      • Refutation
        • R(d);
  • Actual
    • B(F);XP(c)
    • Threat
      • QAR(E)+B(F),XB(a)
    • Vars
      • R(e);N_GUARD,XR(A)::R(K)+B(J)
      • B(a);OGATE,P_SPINB(a),XB(F)::QAR1(E),XB(a)
      • R(d);N_GUARD::R(K)+B(J)


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).