MESON Chess Problem Database

Problem Display
PID: 203399 (2n3K1/2nR4/2Bpk3/q2N4/6P1/5N2/bb6/3r4 w - - 0 1)

Eschauzier, D

De Wereldkroniek, 1924

2n3K1/2nR4/2Bpk3/q2N4/6P1/5N2/bb6/3r4

#2

6 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Sg5#
    • 1...Bf6
      • 2.Sf4#
    • 1...Sb6
      • 2.Re7#
    • 1...Sa7
      • 2.Re7#
    • 1...Se7+
      • 2.Rxe7#
  • Keys
    • 1.Rf7!
      • threat
        • 2.Sf4#
      • 1...Se7+
        • 2.Rxe7#
      • 1...Qxd5
        • 2.Bd7#
      • 1...Rxd5
        • 2.Bd7#
      • 1...Bxd5
        • 2.Bd7#
      • 1...Sxd5
        • 2.Bd7#
      • 1...Qd2
        • 2.Sxc7#
      • 1...Qb4
        • 2.Sxc7#
      • 1...Qa4
        • 2.Sxc7#
      • 1...Rd4
        • 2.Rf6#
      • 1...Bc1
        • 2.Rf6#
      • 1...Be5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 3
  • Sets
    • B(c);SBLOCK::S(A)
    • B(c);SBLOCK::S(C)
    • S(h);N_GUARD::R1(E)
    • S(h);CHECK,N_GUARD::R1(E),XS(h)
  • Actual
    • R(E);
    • Threat
      • S(C)
    • Vars
      • S(h);CHECK,N_GUARD::R1(E),XS(h)
      • Q(d);SBLOCK,XS(C)::B(D)
      • R(a);SBLOCK,XS(C)::B(D)
      • B(b);SBLOCK,XS(C)::B(D)
      • S(g);SBLOCK,XS(C)::B(D)
      • Q(d);N_GUARD::S(C),XS(g)
      • R(a);S_CUTB(c)::R1(E)
      • B(c);N_GUARD::R1(E)
      • B(c);SBLOCK::S(A)
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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).