MESON Chess Problem Database

Problem Display
PID: 141685 (8/8/2R4P/3B2N1/3K2k1/3p2P1/3P2R1/4BN2 w - - 0 1)

Hazepad, Het

En Passant, 1976

8/8/2R4P/3B2N1/3K2k1/3p2P1/3P2R1/4BN2

#2

10 + 2

102 Probleemblad 1977

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3?
      • 1...Kf5
        • 2.Se3#
      • 1...Kh5
        • 2.g4#
      • 1...Kh3!
    • 1.Sh3?
      • 1...Kf5
        • 2.Se3#
        • 2.g4#
      • 1...Kh5
        • 2.Bf3#
        • 2.g4#
      • 1...Kxh3!
    • 1.Sf7?
      • 1...Kf5
        • 2.Se3#
      • 1...Kh5
        • 2.Bf3#
        • 2.g4#
      • 1...Kh3!
    • 1.Sh7?
      • 1...Kf5
        • 2.Se3#
      • 1...Kh5
        • 2.Bf3#
        • 2.g4#
      • 1...Kh3!
  • Keys
    • 1.Se4!
      • 1...Kf3
        • 2.Sf6#
      • 1...Kh3
        • 2.Sf2#
      • 1...Kf5
        • 2.Se3#
      • 1...Kh5
        • 2.g4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Vars
        • K(b);S_FLIGHT::S(B)
        • K(b);OGATE,S_FLIGHT::P(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(H);
      • Refutation
        • K(b);S_FLIGHT,XS(H)
    • Try
      • S(H);
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(H);
    • Vars
      • K(b);S_FLIGHT::B(G)+S(H)
      • K(b);S_FLIGHT::S(H)
      • K(b);S_FLIGHT::S(B)
      • K(b);OGATE,S_FLIGHT::P(E)
HTML5 logo

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).