MESON Chess Problem Database

Problem Display
PID: 190252 (8/8/B1p5/1qp5/4Q2N/6pr/1N1pp3/3rk1Kb w - - 0 1)

Gatti, Daniele

Best Problems, 2019

8/8/B1p5/1qp5/4Q2N/6pr/1N1pp3/3rk1Kb

#2

5 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3
      • 2.Sxd3#
    • 1...Qa4
      • 2.Sd3#
      • 2.Qxe2#
    • 1...Qxb2
      • 2.Qxe2#
    • 1...Qb3
      • 2.Qxe2#
    • 1...Qb4
      • 2.Sd3#
      • 2.Qxe2#
    • 1...Qa5
      • 2.Sd3#
      • 2.Qxe2#
    • 1...Qb6
      • 2.Sd3#
      • 2.Qxe2#
    • 1...Qb7
      • 2.Sd3#
      • 2.Qxe2#
    • 1...Qb8
      • 2.Sd3#
      • 2.Qxe2#
    • 1...Bg2
      • 2.Sxg2#
    • 1...Bf3
      • 2.Sxf3#
  • Keys
    • 1.Qg2!
      • threat
        • 2.Sf3#
      • 1...Rxh4
        • 2.Qxg3#
      • 1...Bxg2
        • 2.Sxg2#
      • 1...Qd3
        • 2.Sxd3#
      • 1...Qb3
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(h);N_GUARD::S(B),XQ(h)
    • Q(h);N_GUARD,XS(B)::QAR1(C),XP(e)
    • Q(h);N_GUARD::QAR1(C),XP(e)
    • B(c);N_GUARD::S(D),XB(c)
  • Actual
    • Q(C);N_PINP(e)
    • Threat
      • S(D)
    • Vars
      • R(g);N_GUARD,XS(D)::QAB(C),XP(f)
      • B(c);XQ(C)::S(D),XB(c)
      • Q(h);N_GUARD::S(B),XQ(h)
      • Q(h);N_GUARD::QAR1(C),XP(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).