Problem Display
PID: 8128 (5K2/8/6N1/1QPk4/6N1/8/8/6B1 w - - 0 1)

Pilchenko, Viacheslav Karlovich

1st Prize=, Smena, 1995

5K2/8/6N1/1QPk4/6N1/8/8/6B1

#2

6 + 1


5418 FIDE Album (1995-1997) (Annexe) 2004
56 The Problemist 2004
5454 Near Snap 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Ke8?
      • 1...Ke6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Se3+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Ke6
        • 2.Qc6#
      • 1...Ke4!
    • 1.S4e5?
      • threat
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ke4
        • 2.Qd3#
      • 1...Ke6!
    • 1.Sh6?
      • 1...Ke6
        • 2.Qc6#
      • 1...Ke4!
    • 1.S6e5?
      • threat
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ke6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Se7+?
      • 1...Ke6
        • 2.Qc6#
      • 1...Ke4!
    • 1.Qf1?
      • 1...Ke4
        • 2.Sf6#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc6!
    • 1.Qd3+?
      • 1...Ke6
        • 2.Sf4#
      • 1...Kc6!
    • 1.Qb7+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc4!
  • Keys
    • 1.Sh4!
      • 1...Ke4
        • 2.Qc4#
      • 1...Ke6
        • 2.Qc6#

Anticipated by 7911(1994), 245192(1995)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::S(B)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::QAR2(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).