MESON Chess Problem Database

Problem Display
PID: 149820 (8/1K1R4/2N1N3/3n1pBB/1p2k1n1/1pr5/4P2p/Q5b1 w - - 0 1)

Buchner, Richard

Source?, 0000

8/1K1R4/2N1N3/3n1pBB/1p2k1n1/1pr5/4P2p/Q5b1

#2

8 + 9

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sc5#
      • 2.Qd4#
    • 1...Be3
      • 2.Qh1#
    • 1...Sge3
      • 2.Bf3#
    • 1...Sde3
      • 2.Rd4#
  • Tries
    • 1.Qb1+?
      • 1...Rd3
        • 2.Qxd3#
      • 1...Rc2!
  • Keys
    • 1.Bd2!
      • threat
        • 2.Sg5#
      • 1...f4
        • 2.Bg6#
      • 1...Re3
        • 2.Qd4#
      • 1...Be3
        • 2.Qh1#
      • 1...Sge3
        • 2.Bf3#
      • 1...Sde3
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB(A)
    • S(g);OGATE::B(D)
    • S(h);OGATE::R1(H)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • R(d);N_GUARD,P_SPINR(d)::QAB1(A),XR(d)
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • B(C);
    • Threat
      • S(F)
    • Vars
      • P(i);OGATEB::B(D)
      • R(d);OGATE::QAR1(A)
      • B(a);OGATE::QAB(A)
      • S(g);OGATE::B(D)
      • S(h);OGATE::R1(H)
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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).