Problem Display
PID: 45899 (Q7/8/6K1/2P1k3/4B3/2R3n1/8/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

Q7/8/6K1/2P1k3/4B3/2R3n1/8/8

#2

5 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qe8#
  • Tries
    • 1.Bg2?
      • 1...Kd4
        • 2.Qh8#
      • 1...Ke6
        • 2.Qe8#
      • 1...Sf1
        • 2.Qe4#
      • 1...Sh1
        • 2.Qe4#
      • 1...Se2
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sf5
        • 2.Qe4#
      • 1...Sh5
        • 2.Qe4#
      • 1...Kf4!
    • 1.Rf3?
      • threat
        • 2.Qd5#
      • 1...Kd4
        • 2.Qd5#
      • 1...Ke6
        • 2.Qe8#
      • 1...Sxe4!
    • 1.Rxg3?
      • 1...Kd4
        • 2.Qd5#
      • 1...Ke6
        • 2.Qe8#
      • 1...Kf4!
  • Keys
    • 1.Bf3!
      • 1...Kd4
        • 2.Qh8#
      • 1...Kf4
        • 2.Qb8#
      • 1...Ke6
        • 2.Qe8#
      • 1...Sf1
        • 2.Qe4#
      • 1...Sh1
        • 2.Qe4#
      • 1...Se2
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sf5
        • 2.Qe4#
      • 1...Sh5
        • 2.Qe4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(E)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::QAB(E)
        • K(b);P-FLIGHT::QAR2(E)
        • S(a);N_GUARD::QAR1(E)
        • S(a);N_GUARD::QAR1(E),XS(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(A);
      • Threat
        • QAR1(E)
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
        • K(b);P-FLIGHT::QAR2(E)
      • Refutation
        • S(a);XB(B)
    • Try
      • R(A);XS(a)
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
        • K(b);P-FLIGHT::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(b);S_FLIGHT::QAB(E)
      • K(b);P-FLIGHT::QAR2(E)
      • S(a);N_GUARD::QAR1(E)
      • S(a);N_GUARD::QAR1(E),XS(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).