Problem Display
PID: 87373 (3K4/8/3k4/3p4/3P4/2P1P3/8/3Q4 w - - 0 1)

Svetec, Srdan

Problemista, 1964

3K4/8/3k4/3p4/3P4/2P1P3/8/3Q4

#2

5 + 2


6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Qc2?
      • threat
        • 2.Qg6#
      • 1...Ke6
        • 2.Qg6#
      • 1...Kc6!
    • 1.Qe2?
      • threat
        • 2.Qa6#
      • 1...Kc6
        • 2.Qa6#
      • 1...Ke6!
    • 1.Qh5?
      • threat
        • 2.Qg6#
        • 2.Qh6#
      • 1...Ke6
        • 2.Qg6#
      • 1...Kc6!
    • 1.Qa1?
      • threat
        • 2.Qa6#
      • 1...Kc6
        • 2.Qa6#
      • 1...Ke6!
    • 1.Qb1?
      • threat
        • 2.Qg6#
        • 2.Qb6#
      • 1...Ke6
        • 2.Qg6#
      • 1...Kc6!
    • 1.Qf1?
      • threat
        • 2.Qa6#
        • 2.Qf6#
      • 1...Kc6
        • 2.Qa6#
      • 1...Ke6!
    • 1.Qg1?
      • threat
        • 2.Qg6#
      • 1...Ke6
        • 2.Qg6#
      • 1...Kc6!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qa6#
        • 2.Qg6#
      • 1...Kc6
        • 2.Qa6#
      • 1...Ke6
        • 2.Qg6#

Anticipated by 234537(0000), 47232(1906)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT::QAR2(A)


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).