Problem Display
PID: 17032 (4R2B/5pq1/3p2R1/3k1pN1/8/Q3P3/7b/5B1K w - - 0 1)

Valve, Leo Erland

2/3 Place, Match: Finland - Sweden, 1945

4R2B/5pq1/3p2R1/3k1pN1/8/Q3P3/7b/5B1K

#2

8 + 6


103 Problemisten 1946

SOLUTION


  • SOUND
  • Sets
    • 1...Bg1
      • 2.Rxd6#
      • 2.Qxd6#
    • 1...f4
      • 2.Rxd6#
      • 2.Qxd6#
  • Tries
    • 1.Qb3+?
      • 1...Kc5
        • 2.Rc8#
        • 2.Qb5#
      • 1...Kc6!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Qa5#
      • 1...Ke5
        • 2.Qxd6#
      • 1...Qa1
        • 2.Qb3#
      • 1...Qb2
        • 2.Bc4#
      • 1...Qc3
        • 2.Bg2#
      • 1...Qd4
        • 2.Qa8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);P_SPINP(d),S_FLIGHT
  • Actual
    • R(G);
    • Threat
      • QAR(C)
    • Vars
      • K(b);P-FLIGHT,P_SPINQ(f)::QAB1(C),XP(d)
      • Q(f);P_PINB(A)::QAB(C)
      • Q(f);::B(A)
      • Q(f);::QAB(C)


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).