MESON Chess Problem Database

Problem Display
PID: 171271 (8/1pNB3n/1Pr5/p7/k2N2bR/P1PK4/1PP3p1/8 w - - 0 1)

Archakov, Vladimir Mikhailovich

Sachove umeni (Ceskoslovensky sach), 1967

8/1pNB3n/1Pr5/p7/k2N2bR/P1PK4/1PP3p1/8

#2

10 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Se2#
      • 2.Sf3#
    • 1...Be2+
      • 2.Sxe2#
    • 1...Bf3
      • 2.Sxf3#
    • 1...Bf5+
      • 2.Sxf5#
    • 1...Be6
      • 2.Sdxe6#
  • Tries
    • 1.Sxc6?
      • threat
        • 2.Se5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
        • 2.Rxg4#
      • 1...bxc6
        • 2.Bxc6#
        • 2.Rxg4#
      • 1...g1Q
        • 2.Se5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...g1B
        • 2.Se5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...g1R
        • 2.Se5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Sg5
        • 2.Se5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Sf8
        • 2.Rxg4#
      • 1...Sf6!
  • Keys
    • 1.Sdb5!
      • threat
        • 2.b3#
      • 1...Rxc3+
        • 2.Sxc3#
      • 1...Rd6+
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(c);CHECK::R(G)+S(F),XB(c)
    • B(c);::R(G)+S(F),XB(c)
  • Tries
    • Try
      • S(F);P_PINB(c),XR(e)
      • Threat
        • DUALS(6)
      • Vars
        • S(g);::R(G),XB(c)
      • Refutation
        • S(g);
  • Actual
    • S(F);N_PINR(e),P_PINB(c)
    • Threat
      • P(A)
    • Vars
      • R(e);CHECK,XP(D)::B(J)+S(F),DCHECK,XR(e)
      • R(e);CHECK::B(J)+S(F),XR(e)
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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).