MESON Chess Problem Database

Problem Display
PID: 32383 (nb6/1r3pq1/5rp1/1pRN4/1K1k2b1/N3ppQ1/3p4/1B6 w - - 0 1)

Broit, GA

De Problemist, 1928

nb6/1r3pq1/5rp1/1pRN4/1K1k2b1/N3ppQ1/3p4/1B6

#2

6 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qf4#
    • 1...Ra7
      • 2.Sxb5#
    • 1...Rc7
      • 2.Sxb5#
    • 1...Rd7
      • 2.Sxb5#
    • 1...Re7
      • 2.Sxb5#
    • 1...Sb6
      • 2.Sxb5#
    • 1...f2
      • 2.Qxe3#
  • Keys
    • 1.Se7!
      • threat
        • 2.Rd5#
      • 1...Rxe7
        • 2.Sxb5#
      • 1...e2
        • 2.Qf2#
      • 1...Rf5
        • 2.Sc6#
      • 1...Rd6
        • 2.Qf4#
        • 2.Qxg4#
      • 1...Rd7
        • 2.Sxb5#
      • 1...Be6
        • 2.Sc6#
      • 1...Bd6
        • 2.Sc6#
      • 1...Sb6
        • 2.Sxb5#
      • 1...Sc7
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(g);N_GUARD,S_CUTB(m)::QAR2(C)
    • R(i);N_GUARD::S(B),XP(f)
    • S(l);S_CUTR(i)::S(B),XP(f)
    • P(c);OGATE::QAB1(C),XP(b)
  • Actual
    • S(F);
    • Threat
      • R1(E)
    • Vars
      • R(i);N_GUARD,XS(F)::S(B),XP(f)
      • P(b);OGATEB::QAB(C)
      • R(g);N_GUARD::S(F)
      • R(i);N_GUARD::S(B),XP(f)
      • B(e);S_CUTR(g)::S(F)
      • B(m);P_PINR(E),S_CUTR(g)::S(F)
      • S(l);S_CUTR(i)::S(B),XP(f)
      • S(l);S_CUTB(m)::QAB1(C)
HTML5 logo

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).