MESON Chess Problem Database

Problem Display
PID: 246 (bKR5/2n1r3/p5Q1/b7/2NpP2p/3k2qR/1P4N1/3BB3 w - - 0 1)

Mansfield, Comins

5th Prize, Stratford Express, 1950

bKR5/2n1r3/p5Q1/b7/2NpP2p/3k2qR/1P4N1/3BB3

#2

10 + 9

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Se5#
    • 1...Re5
      • 2.Sxe5#
    • 1...Rd7
      • 2.Se5#
    • 1...Rf7
      • 2.Se5#
    • 1...Rg7
      • 2.Se5#
    • 1...Rh7
      • 2.Se5#
    • 1...Sb5+
      • 2.Sf4#
    • 1...Sd5+
      • 2.e5#
    • 1...Se6+
      • 2.Se5#
    • 1...Se8+
      • 2.Sf4#
  • Keys
    • 1.b4!
      • threat
        • 2.Sb2#
      • 1...Sb5+
        • 2.Sf4#
      • 1...Sd5+
        • 2.e5#
      • 1...Se6+
        • 2.Se5#
      • 1...Se8+
        • 2.Sf4#
      • 1...Kxc4
        • 2.Qxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(h);N_GUARD,P_SPINR(h),XP(G)::S(F)
    • R(h);N_GUARD::S(F),XR(h)
    • R(h);N_GUARD::S(F)
    • S(g);CHECK::S(D)
    • S(g);CHECK,S_CUTB(i)::QAB(H)+P(G)
    • S(g);CHECK,S_CUTR(h)::S(F)
  • Actual
    • P(C);
    • Threat
      • S(F)
    • Vars
      • S(g);CHECK::S(D)
      • S(g);CHECK,S_CUTB(i)::QAB(H)+P(G)
      • S(g);CHECK,S_CUTR(h)::S(F)
      • K(a);N_SPINQ(b),OGATEB,P_SPINS(g),S_FLIGHT,XS(F)::QAB(H),XP(f)
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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).