MESON Chess Problem Database

Problem Display
PID: 219096 (1BB5/8/3N2b1/KN2k1r1/1PP3p1/2pp1p2/6pq/Q5n1 w - - 0 1)

Diessl, B Alois

Wiener Hausfrauen-Zeitung, 1882

1BB5/8/3N2b1/KN2k1r1/1PP3p1/2pp1p2/6pq/Q5n1

#2

8 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Se8#
  • Tries
    • 1.Sf5+?
      • 1...Ke4
        • 2.Sxc3#
      • 1...Kf6!
  • Keys
    • 1.Sxc3!
      • threat
        • 2.Se2#
        • 2.Sd5#
      • 1...Kd4+
        • 2.Sd5#
      • 1...Kf4+
        • 2.Sf5#
      • 1...Kf6+
        • 2.Sd5#
      • 1...Qf4
        • 2.Sce4#
      • 1...Se2
        • 2.Sxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(j);SBLOCK::B(G)+S(F)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(h);N_SPINP(d),P-FLIGHT::S(E),XP(d)
      • Refutation
        • K(h);S_FLIGHT
  • Actual
    • S(E);XP(d)
    • Threat
      • DUALS(2)
    • Vars
      • K(h);CHECK,S_FLIGHT::QAB(A)+S(E)
      • K(h);CHECK,S_FLIGHT::B(G)+S(F)
      • K(h);CHECK,S_FLIGHT::QAB(A)+S(E),DCHECK
      • Q(c);SBLOCK::QAB(A)+S(E)
      • S(a);::QAB(A)+S(E),XS(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).