MESON Chess Problem Database

Problem Display
PID: 272463 (8/4P3/4N1N1/Rp1P1P2/4k3/1P2n2K/4Q3/8 w - - 0 1)

Buyanov, Aleksandr N

Rochade Europa, 1996

8/4P3/4N1N1/Rp1P1P2/4k3/1P2n2K/4Q3/8

#2

9 + 3

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.e8Q?
      • 1...Kxd5
        • 2.Qd3#
      • 1...Kxf5
        • 2.Qf3#
      • 1...b4!
    • 1.e8B?
      • 1...Kxd5
        • 2.Qd3#
      • 1...Kxf5
        • 2.Qf3#
      • 1...b4!
  • Keys
    • 1.e8S!
      • 1...Kxd5
        • 2.Qf3#
      • 1...Kxf5
        • 2.Qd3#
      • 1...b4
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(I);
      • Vars
        • K(b);N_GUARD,N_SPINS(a),P_SPINP(c),S_FLIGHT,XP(E)::QAR2(A)
        • K(b);N_GUARD,N_SPINS(a),S_FLIGHT,XP(F)::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • P(I);
      • Vars
        • K(b);N_GUARD,N_SPINS(a),P_SPINP(c),S_FLIGHT,XP(E)::QAR2(A)
        • K(b);N_GUARD,N_SPINS(a),S_FLIGHT,XP(F)::QAR2(A)
      • Refutation
        • P(c);
  • Actual
    • P(I);
    • Vars
      • K(b);N_GUARD,N_SPINS(a),P_SPINP(c),S_FLIGHT,XP(E)::QAB(A)
      • K(b);N_GUARD,N_SPINS(a),S_FLIGHT,XP(F)::QAB(A)
      • P(c);::S(I)
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).