MESON Chess Problem Database

Problem Display
PID: 205543 (2N5/6K1/4N3/3p1k2/3B4/5B2/8/8 w - - 0 1)

Schonfelder, Fr.

L'Echiquier Marseillais, 1925

2N5/6K1/4N3/3p1k2/3B4/5B2/8/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Bg4#
  • Tries
    • 1.Kf8?
      • 1...Kxe6
        • 2.Bg4#
      • 1...Kg6!
    • 1.Kg8?
      • 1...Kxe6
        • 2.Bg4#
      • 1...Kg6!
    • 1.Bd1?
      • 1...Kxe6
        • 2.Bg4#
      • 1...Ke4!
    • 1.Bg2?
      • 1...Kxe6
        • 2.Bh3#
      • 1...Kg4!
    • 1.Bh5?
      • 1...Kxe6
        • 2.Bg4#
      • 1...Ke4!
    • 1.Ba1?
      • 1...Kxe6
        • 2.Bg4#
      • 1...d4!
    • 1.Bb2?
      • 1...Kxe6
        • 2.Bg4#
      • 1...d4!
    • 1.Bc3?
      • 1...Kxe6
        • 2.Bg4#
      • 1...d4!
    • 1.Bf6?
      • 1...Kxe6
        • 2.Bg4#
      • 1...d4!
  • Keys
    • 1.Be2!
      • 1...Ke4
        • 2.Sd6#
      • 1...Kxe6
        • 2.Bg4#

FEATURES

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