Problem Display
PID: 70776 (1Q6/p2r4/2Bp4/3N4/1PPk4/KP1p4/3R3B/3R4 w - - 0 1)

Kisis, Imants J

Sinfonie Scacchistiche, 1967

1Q6/p2r4/2Bp4/3N4/1PPk4/KP1p4/3R3B/3R4

#2

10 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Se3?
      • threat
        • 2.Rxd3#
      • 1...Kc3
        • 2.Rxd3#
      • 1...d5
        • 2.Qe5#
      • 1...Kxe3!
    • 1.Sc7?
      • threat
        • 2.Rxd3#
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Qxa7#
      • 1...d5!
    • 1.Qe8?
      • threat
        • 2.Bg1#
        • 2.Rxd3#
        • 2.Qe3#
      • 1...Rf7
        • 2.Rxd3#
        • 2.Qe3#
      • 1...Rg7
        • 2.Rxd3#
        • 2.Qe3#
      • 1...Re7!
  • Keys
    • 1.Se7!
      • threat
        • 2.Rxd3#
      • 1...Kc3
        • 2.Qh8#
      • 1...Ke3
        • 2.Sf5#
      • 1...d5
        • 2.Qe5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Threat
        • R1(B),XP(a)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::R1(B),XP(a)
        • P(c);OGATE::QAB1(J)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XS(H)
    • Try
      • S(H);
      • Threat
        • R1(B),XP(a)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::S(H)
        • K(b);N_SPINP(a),S_FLIGHT::QAB(J),XP(d)
      • Refutation
        • P(c);
    • Try
      • Q(J);
      • Threat
        • DUALS(3)
      • Refutation
        • R(e);
  • Actual
    • S(H);
    • Threat
      • R1(B),XP(a)
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT::QAB(J)
      • K(b);N_SPINP(a),S_FLIGHT::S(H)
      • P(c);OGATE::QAB1(J)


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).