MESON Chess Problem Database

Problem Display
PID: 166375 (8/3rq3/1Q6/4Rp2/1bpP4/2B5/2PRN1P1/1N2k1K1 w - - 0 1)

Gatti, Daniele

Best Problems, 2017

8/3rq3/1Q6/4Rp2/1bpP4/2B5/2PRN1P1/1N2k1K1

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qh4
      • 2.Sf4#
    • 1...Qg5
      • 2.Sf4#
    • 1...Qd8
      • 2.Sc1#
      • 2.Sg3#
      • 2.Sf4#
    • 1...Qf8
      • 2.Sc1#
      • 2.Sg3#
      • 2.Sf4#
    • 1...Qf7
      • 2.Sc1#
      • 2.Sg3#
      • 2.Sf4#
    • 1...Qh7
      • 2.Sc1#
      • 2.Sg3#
      • 2.Sf4#
    • 1...Ba3
      • 2.Rd3#
    • 1...Bc5
      • 2.Rd3#
    • 1...Bd6
      • 2.Rd3#
  • Tries
    • 1.Qxb4?
      • threat
        • 2.Rd3#
      • 1...Qxb4
        • 2.Sc1#
        • 2.Sg3#
        • 2.Sf4#
      • 1...Qg5
        • 2.Sf4#
      • 1...Qxe5!
  • Keys
    • 1.d5!
      • threat
        • 2.Qf2#
      • 1...Qc5+
        • 2.Sd4#
      • 1...Bc5+
        • 2.Rd4#
      • 1...Qh4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(f);N_GUARD::R(I)+S(E)
    • Q(f);N_GUARD,P_PINP(F)::R(I)+S(E)
    • B(b);N_GUARD::B(G)+R(D)
    • B(b);N_GUARD,P_PINP(H)::B(G)+R(D)
  • Tries
    • Try
      • Q(J);XB(b)
      • Threat
        • B(G)+R(D)
      • Vars
        • Q(f);N_GUARD,P_PINP(F)::R(I)+S(E)
      • Refutation
        • Q(f);XR(I)
  • Actual
    • P(H);
    • Threat
      • QAB1(J)
    • Vars
      • Q(f);CHECK,N_GUARD::R(I)+S(E)
      • B(b);CHECK,N_GUARD::B(G)+R(D)
      • Q(f);N_GUARD::R(I)+S(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).