Problem Display
PID: 143905 (8/3B2B1/3p2p1/2b1NR2/1p1kN1P1/1P1p4/3R4/1K6 w - - 0 1)

Foster, A

Newcastle Weekly Chronicle, 1926

8/3B2B1/3p2p1/2b1NR2/1p1kN1P1/1P1p4/3R4/1K6

#2

9 + 6


14868 Pirnie Collection 2012

SOLUTION


  • SOUND
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sc4#
        • 2.Rxd3#
      • 1...Kc3
        • 2.Rxd3#
      • 1...Ke3
        • 2.Sc4#
        • 2.Rxd3#
      • 1...Kd5
        • 2.Sxg6#
      • 1...gxf5
        • 2.Rxd3#
      • 1...Bb6
        • 2.Sc4#
      • 1...Ba7
        • 2.Sc4#
      • 1...dxe5!
    • 1.Sg5?
      • threat
        • 2.Sc4#
        • 2.Rxd3#
      • 1...Kc3
        • 2.Rxd3#
      • 1...Ke3
        • 2.Sc4#
      • 1...Kd5
        • 2.Sxg6#
      • 1...gxf5
        • 2.Rxd3#
      • 1...Bb6
        • 2.Sc4#
      • 1...Ba7
        • 2.Sc4#
      • 1...dxe5!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Sc4#
        • 2.Rxd3#
      • 1...Kc3
        • 2.Rxd3#
      • 1...Ke3
        • 2.Sc4#
      • 1...Kd5
        • 2.Sxg6#
      • 1...dxe5
        • 2.Rxd3#
      • 1...gxf5
        • 2.Rxd3#
      • 1...Bb6
        • 2.Sc4#
      • 1...Ba7
        • 2.Sc4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);N_SPINP(a),S_FLIGHT::R1(B),XP(a)
        • K(c);P-FLIGHT::R(G)+S(F),XP(f)
        • P(f);XR(G)::R1(B),XP(a)
        • B(d);::B(I)+S(F)
      • Refutation
        • P(e);XS(F)
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);N_SPINP(a),S_FLIGHT::R1(B),XP(a)
        • K(c);N_SPINP(a),S_FLIGHT::S(F)
        • K(c);P-FLIGHT::R(G)+S(F),XP(f)
        • P(f);XR(G)::R1(B),XP(a)
        • B(d);::B(I)+S(F)
      • Refutation
        • P(e);XS(F)
  • Actual
    • S(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);N_SPINP(a),S_FLIGHT::R1(B),XP(a)
      • K(c);N_SPINP(a),S_FLIGHT::S(F)
      • K(c);P-FLIGHT::R(G)+S(F),XP(f)
      • P(e);XS(F)::R1(B),XP(a)
      • P(f);XR(G)::R1(B),XP(a)
      • B(d);::B(I)+S(F)


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).