Problem Display
PID: 217873 (2R2B2/3N4/8/8/pp6/1k6/8/K7 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1979

2R2B2/3N4/8/8/pp6/1k6/8/K7

#2

4 + 3


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ka3
      • 2.Rc3#
  • Tries
    • 1.Kb1?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Se5?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Sb6?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Sf6?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Sb8?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Bd6?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Be7?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Rc5?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Rc6?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
    • 1.Rc7?
      • 1...Ka3
        • 2.Rc3#
      • 1...a3!
  • Keys
    • 1.Rc1!
      • 1...Ka3
        • 2.Rc3#
      • 1...a3
        • 2.Sc5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,P_SPINP(c)::R(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • Refutation
        • P(b);
  • Actual
    • R(C);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • P(b);SBLOCK::S(B)


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).