MESON Chess Problem Database

Problem Display
PID: 136181 (8/Q4nB1/b3n2r/bp3Bp1/8/1R1K1kP1/2P2p1p/2q2NR1 w - - 0 1)

Babson, Joseph Ney

Source?, 1892

8/Q4nB1/b3n2r/bp3Bp1/8/1R1K1kP1/2P2p1p/2q2NR1

#2

9 + 11

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Qb2
      • 2.Qe3#
    • 1...Qa3
      • 2.Qe3#
    • 1...Qe3+
      • 2.Qxe3#
    • 1...Qa1
      • 2.Qe3#
    • 1...Qb1
      • 2.Qe3#
    • 1...Rf6
      • 2.Sxh2#
    • 1...Rg6
      • 2.Sxh2#
    • 1...Bb7
      • 2.Qxb7#
    • 1...g4
      • 2.Be4#
  • Keys
    • 1.Qa8+!
      • 1...Bb7
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • Q(a);N_GUARD::QAR1(H)
    • Q(a);N_GUARD,P_PINR(D)::QAR1(H)
    • Q(a);CHECK,N_GUARD::QAR1(H),XQ(a)
    • Q(a);N_GUARD,P_PINP(C)::QAR1(H)
    • R(j);N_GUARD::S(A),XP(c)
    • B(h);N_GUARD::QAB(H),XB(h)
    • P(g);SBLOCK::B(G)
  • Actual
    • Q(H);CHECK
    • Vars
      • B(h);N_GUARD,P_SPINB(h)::QAB(H),XB(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).