Problem Display
PID: 28887 (8/4R3/7N/5Nkp/8/2B5/6K1/8 w - - 0 1)

Benoit, Marc

Problemas, 1974

8/4R3/7N/5Nkp/8/2B5/6K1/8

#2

5 + 2


3248 Miniatures canadiennes 2000
5454 Near Snap 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Kf4
      • 2.Bd2#
    • 1...Kg6
      • 2.Rg7#
  • Tries
    • 1.Kf2?
      • 1...Kf4
        • 2.Bd2#
      • 1...Kg6
        • 2.Rg7#
      • 1...h4!
    • 1.Kf3?
      • threat
        • 2.Rg7#
      • 1...Kg6
        • 2.Rg7#
      • 1...h4!
    • 1.Kg3?
      • threat
        • 2.Rg7#
      • 1...Kg6
        • 2.Rg7#
      • 1...h4+!
    • 1.Bb2?
      • 1...Kf4
        • 2.Bc1#
      • 1...Kg6
        • 2.Rg7#
      • 1...h4!
    • 1.Bd4?
      • 1...Kf4
        • 2.Be3#
      • 1...Kg6
        • 2.Rg7#
      • 1...h4!
    • 1.Be5?
      • threat
        • 2.Rg7#
      • 1...Kg6
        • 2.Rg7#
      • 1...h4!
    • 1.Re6?
      • threat
        • 2.Bd2#
      • 1...Kf4
        • 2.Bd2#
      • 1...h4!
  • Keys
    • 1.Sh4!
      • 1...Kf4
        • 2.Bd2#
      • 1...Kxh4
        • 2.Bf6#
      • 1...Kxh6
        • 2.Bd2#

Anticipated by 223077(1886), 175229(1902)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::B(B)
    • K(a);P-FLIGHT::R1(E)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(B)
        • K(a);P-FLIGHT::R1(E)
      • Refutation
        • P(b);
    • Try
      • K(A);S_FLIGHT
      • Threat
        • R(E)
      • Vars
        • K(a);P-FLIGHT::R1(E)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Threat
        • R(E)
      • Vars
        • K(a);P-FLIGHT::R1(E)
      • Refutation
        • P(b);CHECK
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(B)
        • K(a);P-FLIGHT::R1(E)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(B)
        • K(a);P-FLIGHT::R1(E)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Threat
        • R(E)
      • Vars
        • K(a);P-FLIGHT::R1(E)
      • Refutation
        • P(b);
    • Try
      • R(E);
      • Threat
        • B(B)
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • P(b);
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);S_FLIGHT,XS(C)::B(B)
      • K(a);S_FLIGHT,XS(D)::B(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).