Problem Display
PID: 241816 (6N1/4N3/2B1k3/2K5/5R2/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1929

6N1/4N3/2B1k3/2K5/5R2/8/8/8

#2

5 + 1


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Ke5
      • 2.Re4#
  • Tries
    • 1.Bh1?
      • 1...Ke5
        • 2.Re4#
      • 1...Kd7!
    • 1.Bg2?
      • 1...Ke5
        • 2.Re4#
      • 1...Kd7!
    • 1.Bf3?
      • 1...Ke5
        • 2.Re4#
      • 1...Kd7!
    • 1.Bd5+?
      • 1...Ke5
        • 2.Sg6#
        • 2.Re4#
        • 2.Rf5#
      • 1...Kd7!
    • 1.Bb7?
      • 1...Ke5
        • 2.Re4#
      • 1...Kd7!
    • 1.Bd7+?
      • 1...Ke5
        • 2.Sg6#
      • 1...Kxd7!
    • 1.Ba8?
      • 1...Ke5
        • 2.Re4#
      • 1...Kd7!
    • 1.Ra4?
      • 1...Ke5
        • 2.Re4#
      • 1...Kf7!
    • 1.Rb4?
      • 1...Ke5
        • 2.Re4#
      • 1...Kf7!
    • 1.Rc4?
      • 1...Ke5
        • 2.Re4#
      • 1...Kf7!
    • 1.Rd4?
      • 1...Ke5
        • 2.Re4#
      • 1...Kf7!
    • 1.Rg4?
      • 1...Ke5
        • 2.Re4#
      • 1...Kf7!
    • 1.Rh4?
      • 1...Ke5
        • 2.Re4#
      • 1...Kf7!
  • Keys
    • 1.Rf6+!
      • 1...Ke5
        • 2.Sg6#

FEATURES


  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R1(A)
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(A);CHECK
    • Vars
      • K(a);P-FLIGHT::S(D)


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).