MESON Chess Problem Database

Problem Display
PID: 133014 (6Q1/1n3Nbr/6Rp/B1Nb2pR/P2k1p2/KBp5/P4P2/3r4 w - - 0 1)

Baxter, FL

The Field, 1960

(First published on Thu Jan 7 1960)

6Q1/1n3Nbr/6Rp/B1Nb2pR/P2k1p2/KBp5/P4P2/3r4

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Bb6#
    • 1...g4
      • 2.Rxd5#
  • Tries
    • 1.Qxg7+?
      • 1...Kxc5
        • 2.Bb4#
        • 2.Bb6#
      • 1...Rxg7!
  • Keys
    • 1.Sxg5!
      • threat
        • 2.Qxd5#
      • 1...Kxc5
        • 2.Bb6#
      • 1...Ke5
        • 2.Sf3#
      • 1...Bxb3
        • 2.Sf3#
      • 1...Bxg8
        • 2.Sf3#
      • 1...Bh1
        • 2.Sge6#
      • 1...Bg2
        • 2.Sge6#
      • 1...Bf3
        • 2.Sxf3#
        • 2.Sge6#
      • 1...Bc4
        • 2.Sf3#
      • 1...Be4
        • 2.Sge6#
      • 1...Bc6
        • 2.Sge6#
      • 1...Be6
        • 2.Sf3#
        • 2.Sgxe6#
      • 1...Bf7
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,S_FLIGHT,XS(G)::B(F)
    • P(f);OGATE::R1(H),XB(e)
  • Tries
    • Try
      • Q(K);CHECK,XB(i)
      • Refutation
        • R(j);XQ(K)
  • Actual
    • S(J);XP(f)
    • Threat
      • QAR1(K),XB(e)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(G)::B(F)
      • K(c);S_FLIGHT::R(H)+S(J),DCHECK
      • B(e);N_GUARD,XB(D)::S(J)
      • B(e);N_GUARD,XQ(K)::S(J)
      • B(e);N_GUARD::S(J)
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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).