MESON Chess Problem Database

Problem Display
PID: 166582 (6q1/N1b1P1pp/1r2P2r/ppPkN3/2p2P1P/7Q/K2P2P1/4R1B1 w - - 0 1)

Tkachenko, Sergiy Ivanovich

The Problemist, 2017

6q1/N1b1P1pp/1r2P2r/ppPkN3/2p2P1P/7Q/K2P2P1/4R1B1

#2

13 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Qf3#
    • 1...Rbxe6
      • 2.Qf3#
    • 1...Rhxe6
      • 2.Qf3#
    • 1...Bxe5
      • 2.Rxe5#
  • Keys
    • 1.Sxc4!
      • threat
        • 2.Qd3#
      • 1...Kxc4
        • 2.Qb3#
      • 1...bxc4
        • 2.Qf3#
      • 1...Be5
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(j);SBLOCK,XP(K)::QAB(F)
    • R(e);SBLOCK,XP(K)::QAB(F)
    • R(f);SBLOCK,XP(K)::QAB(F)
    • B(g);OGATE,XS(J)::R1(A),XB(g)
  • Actual
    • S(J);XP(a)
    • Threat
      • QAR2(F)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(J)::QAB1(F)
      • P(c);SBLOCK,XS(J)::QAB(F)
      • B(g);N_GUARD::S(J),XR(e)
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).