MESON Chess Problem Database

Problem Display
PID: 256531 (6K1/2p1N3/2PPpP2/4k3/4p2P/3bNp2/1P3B2/3Q4 w - - 0 1)

Stepanov, AS

Wiener Schachzeitung, 1900

(First published on Wed Dec 12 1900)

6K1/2p1N3/2PPpP2/4k3/4p2P/3bNp2/1P3B2/3Q4

#2

10 + 6

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sg6#
    • 1...Kxd6
      • 2.Sc4#
    • 1...Kxf6
      • 2.Sg4#
  • Tries
    • 1.Bg3+?
      • 1...Kxf6
        • 2.Sg4#
      • 1...Kd4!
  • Keys
    • 1.Qd2!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Sg6#
      • 1...Kxd6
        • 2.Sc4#
      • 1...Kxf6
        • 2.Sg4#
      • 1...cxd6
        • 2.Sg4#
      • 1...Bb1
        • 2.Sg4#
      • 1...Bf1
        • 2.Sg4#
      • 1...Bc2
        • 2.Sg4#
      • 1...Be2
        • 2.Sg4#
      • 1...Bc4
        • 2.Sg4#
      • 1...Bb5
        • 2.Sg4#
      • 1...Ba6
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(d);N_GUARD,S_FLIGHT::S(I)
    • K(d);N_GUARD,P_SPINB(a),S_FLIGHT,XP(G)::S(D)
    • K(d);N_GUARD,S_FLIGHT,XP(H)::S(D)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(d);N_GUARD,S_FLIGHT,XP(H)::S(D)
      • Refutation
        • K(d);P_SPINB(a),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(d);N_GUARD,P_SPINB(a),S_FLIGHT::QAB1(A)
      • K(d);N_GUARD,S_FLIGHT::S(I)
      • K(d);N_GUARD,P_SPINB(a),S_FLIGHT,XP(G)::S(D)
      • K(d);N_GUARD,S_FLIGHT,XP(H)::S(D)
      • P(f);SBLOCK,XP(G)::S(D)
      • B(a);::S(D)
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).