Problem Display
PID: 162144 (8/8/1p6/4Q3/4B1pp/b1Pp4/3R1P1p/R3K1k1 w Q - 0 1)

Romanovskis, Vladimirs

Sachmatija, 2009

8/8/1p6/4Q3/4B1pp/b1Pp4/3R1P1p/R3K1k1

#2

7 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Bb4
      • 2.0-0-0#
    • 1...Bc5
      • 2.0-0-0#
    • 1...Bd6
      • 2.0-0-0#
    • 1...Be7
      • 2.0-0-0#
    • 1...Bf8
      • 2.0-0-0#
    • 1...h3
      • 2.Qg3#
  • Tries
    • 1.Qd4?
      • threat
        • 2.f4#
      • 1...Bc5
        • 2.0-0-0#
      • 1...h1S!
    • 1.f3?
      • threat
        • 2.Qxh2#
      • 1...Kh1
        • 2.Qxh2#
      • 1...h1Q
        • 2.Qd4#
      • 1...h1S
        • 2.Qh2#
      • 1...h1B
        • 2.Qh2#
        • 2.Qd4#
      • 1...h1R
        • 2.Qd4#
      • 1...Bd6
        • 2.0-0-0#
      • 1...g3!
  • Keys
    • 1.f4!
      • threat
        • 2.Qd4#
      • 1...gxf4 ep
        • 2.Qxh2#
      • 1...h1S
        • 2.Rg2#
      • 1...Bc5
        • 2.0-0-0#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(c);::0-0-0
    • P(f);N_GUARD::QAR2(G)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB(G)+P(D)
      • Vars
        • B(c);::0-0-0
      • Refutation
        • P(b);
    • Try
      • P(D);
      • Threat
        • QAB1(G),XP(b)
      • Vars
        • K(a);P-FLIGHT::QAR1(G),XP(b)
        • P(b);SBLOCK::QAB(G)
        • P(b);::QAB1(G)
        • B(c);::0-0-0
      • Refutation
        • P(e);
  • Actual
    • P(D);
    • Threat
      • QAB(G)
    • Vars
      • P(e);EP,OGATE,XP(D)::QAB1(G),XP(b)
      • P(b);SBLOCK::R1(C)
      • B(c);::0-0-0


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).