MESON Chess Problem Database

Problem Display
PID: 185850 (2RB4/1N3p2/1p2p2N/2p1k3/2P1p3/3pP1K1/n1PQb3/8 w - - 0 1)

Howard, David M

Problem Observer, 2016

2RB4/1N3p2/1p2p2N/2p1k3/2P1p3/3pP1K1/n1PQb3/8

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sb4
      • 2.Qc3#
    • 1...dxc2
      • 2.Qd6#
    • 1...b5
      • 2.Rxc5#
    • 1...f5
      • 2.Sf7#
    • 1...f6
      • 2.Bc7#
  • Keys
    • 1.Kh4!
      • 1...dxc2
        • 2.Qd6#
      • 1...Bd1
        • 2.Qh2#
      • 1...Bf1
        • 2.Qh2#
      • 1...Bf3
        • 2.Qh2#
      • 1...Bg4
        • 2.Qh2#
      • 1...Bh5
        • 2.Qh2#
      • 1...Sc1
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sb4
        • 2.Qc3#
      • 1...b5
        • 2.Rxc5#
      • 1...f5
        • 2.Sf7#
      • 1...f6
        • 2.Bc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB(B)
    • S(a);N_GUARD::QAB(B),XS(a)
    • P(c);OGATE,XP(A)::QAB1(B)
    • P(g);N_GUARD::R(H),XP(e)
    • P(i);SBLOCK::S(F)
    • P(i);SBLOCK::B(I)
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • P(c);OGATE,XP(A)::QAB1(B)
      • B(b);OGATE::QAB(B)
      • S(a);N_GUARD::QAB(B)
      • S(a);N_GUARD::QAB(B),XS(a)
      • P(g);N_GUARD::R(H),XP(e)
      • P(i);SBLOCK::S(F)
      • P(i);SBLOCK::B(I)
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).