Problem Display
PID: 32675 (2K5/2R2n2/2p5/1pPk4/1P1p1P2/3B4/8/8 w - - 0 1)

Thompson, Theophilus Augustus

Chess Problems by Theophilus A. Thompson, 1873

2K5/2R2n2/2p5/1pPk4/1P1p1P2/3B4/8/8

#2

6 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Rd7+?
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Ke6!
    • 1.Re7?
      • 1...Se5
        • 2.Rxe5#
      • 1...Sg5
        • 2.Re5#
      • 1...Sh6
        • 2.Re5#
      • 1...Sd8
        • 2.Re5#
      • 1...Sh8
        • 2.Re5#
      • 1...Sd6+!
  • Keys
    • 1.Rxc6!
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Kxc6
        • 2.Be4#
      • 1...Se5
        • 2.Rd6#
      • 1...Sg5
        • 2.Rd6#
      • 1...Sh6
        • 2.Rd6#
      • 1...Sd8
        • 2.Rd6#
      • 1...Sh8
        • 2.Rd6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • S(e);CHECK,N_GUARD,P_SPINS(e)::R1(E),XS(e)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • S(e);N_GUARD::R1(E),XS(e)
        • S(e);N_GUARD::R1(E)
      • Refutation
        • S(e);CHECK
  • Actual
    • R(E);XP(d)
    • Vars
      • S(e);CHECK,N_GUARD::R1(E),XS(e)
      • K(c);S_FLIGHT,XR(E)::B(A)
      • S(e);N_GUARD::R1(E)


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).