MESON Chess Problem Database

Problem Display
PID: 176240 (3R4/3N1n1B/2rb2N1/2P2rq1/1p2PPb1/3k4/2R5/1K4BQ w - - 0 1)

Benedek, Attila

Schach-Echo, 1972

3R4/3N1n1B/2rb2N1/2P2rq1/1p2PPb1/3k4/2R5/1K4BQ

#2

11 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Qxf3#
    • 1...Bh3
      • 2.Qf3#
    • 1...Bxf4
      • 2.Sde5#
    • 1...Bxc5
      • 2.Sxc5#
      • 2.Sde5#
    • 1...Be5
      • 2.Sdxe5#
    • 1...Bc7
      • 2.Sde5#
    • 1...Be7
      • 2.Sde5#
    • 1...Bb8
      • 2.Sde5#
    • 1...Bf8
      • 2.Sde5#
  • Keys
    • 1.e5!
      • threat
        • 2.Qd5#
      • 1...Qxf4
        • 2.Sxf4#
      • 1...Rxf4
        • 2.Sxf4#
      • 1...Rxe5
        • 2.Sgxe5#
      • 1...Rxc5
        • 2.Sxc5#
      • 1...Bxc5
        • 2.Sxc5#
      • 1...Bxe5
        • 2.Sdxe5#
      • 1...Bf3
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • B(c);N_GUARD::QAR2(C),XB(c)
    • B(c);N_GUARD::QAR2(C)
    • B(g);XP(F)::R(K)+S(I),DCHECK
    • B(g);::R(K)+S(I),DCHECK,XB(g)
    • B(g);::R(K)+S(I),DCHECK
  • Actual
    • P(E);
    • Threat
      • QAR2(C)
    • Vars
      • Q(e);XP(F)::S(H),XQ(e)
      • R(d);XP(F)::B(J)+S(H),DCHECK,XR(d)
      • R(d);XP(E)::B(J)+S(H),DCHECK,XR(d)
      • R(f);XP(G)::S(I),XR(f)
      • B(g);XP(G)::R(K)+S(I),DCHECK,XB(g)
      • B(g);XP(E)::R(K)+S(I),DCHECK,XB(g)
      • B(c);N_GUARD::QAR2(C),XB(c)
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).