MESON Chess Problem Database

Problem Display
PID: 70841 (8/6P1/B4PQ1/1r2bK1p/N4B2/3k1N1R/7R/nrn5 w - - 0 1)

Stimson, James Frank (Ua Tane)

1st Prize, Densmore MT (Pittsburgh Gazette-Times), 1918-1920

8/6P1/B4PQ1/1r2bK1p/N4B2/3k1N1R/7R/nrn5

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2+
      • 2.Bxb5#
    • 1...Bd4+
      • 2.Se5#
    • 1...Sab3
      • 2.Bxb5#
    • 1...Scb3
      • 2.Bxb5#
  • Keys
    • 1.g8Q!
      • threat
        • 2.Kg5#
        • 2.Rd2#
      • 1...Bb2+
        • 2.Bxb5#
      • 1...Bc3+
        • 2.Sc5#
      • 1...Bd4+
        • 2.Se5#
      • 1...Bxf4+
        • 2.Kxf4#
      • 1...Bd6+
        • 2.Qd5#
      • 1...Bxf6+
        • 2.Kxf6#
      • 1...Bc7+
        • 2.Qd5#
      • 1...Bb8+
        • 2.Qd5#
      • 1...Se2
        • 2.Kg5#
      • 1...Rb2
        • 2.Kg5#
      • 1...Rb4
        • 2.Rd2#
      • 1...Sab3
        • 2.Kg5#
        • 2.Bxb5#
      • 1...Scb3
        • 2.Kg5#
        • 2.Bxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • B(f);CHECK,S_CUTR(b)::B(G),XR(e)
    • B(f);CHECK,SBLOCK::R(C)+S(B),DCHECK
    • S(a);S_CUTR(b)::B(G),XR(e)
    • S(c);S_CUTR(b)::B(G),XR(e)
  • Actual
    • P(J);
    • Threat
      • DUALS(2)
    • Vars
      • B(f);CHECK,S_CUTR(b)::B(G),XR(e)
      • B(f);CHECK,SBLOCK::S(D)
      • B(f);CHECK,SBLOCK::R(C)+S(B),DCHECK
      • B(f);CHECK,XB(E)::QAB(I)+K(F),XB(f)
      • B(f);CHECK,N_GUARD::QAR2(J)
      • B(f);CHECK,XP(H)::QAB(I)+K(F),XB(f)
      • S(c);::QAB(I)+K(F)
      • R(b);::QAB(I)+K(F)
      • R(b);::R1(A)
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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).