Problem Display
PID: 221468 (8/3p4/2pp2p1/2rkP3/2p1p1B1/2K2Q2/8/8 w - - 0 1)

Galma, ?ikhailo Teodozinovovich

SuperProblem, 2020

8/3p4/2pp2p1/2rkP3/2p1p1B1/2K2Q2/8/8

#2

4 + 8


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Sets
    • 1...dxe5
      • 2.Qd1#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qxd6#
      • 1...e3
        • 2.Bf3#
      • 1...dxe5!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qg5#
      • 1...dxe5
        • 2.Qd2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK,XP(D)::QAR(B)
  • Tries
    • Try
      • Q(B);N_PINP(b)
      • Threat
        • QAR1(B),XP(f)
      • Vars
        • P(b);OGATEB::B(C)
      • Refutation
        • P(f);XP(D)
  • Actual
    • Q(B);N_PINP(b)
    • Threat
      • QAR1(B)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINP(b),XP(D)::QAR2(B)
      • P(f);SBLOCK,XP(D)::QAR(B)


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).