MESON Chess Problem Database

Problem Display
PID: 35981 (6bK/B6B/3p1Q1p/2n5/2prpR1P/N3k1p1/3pP1Rn/bq4N1 w - - 0 1)

Schulz, Carl

5th Comm., BCF 004. Ty., 1930-1931

6bK/B6B/3p1Q1p/2n5/2prpR1P/N3k1p1/3pP1Rn/bq4N1

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2
      • 2.Sxc2#
    • 1...Qe1
      • 2.Sc2#
    • 1...Qf1
      • 2.Sc2#
    • 1...Qxg1
      • 2.Sc2#
    • 1...Qb4
      • 2.Sc2#
    • 1...Qb5
      • 2.Sc2#
    • 1...Qb6
      • 2.Sc2#
    • 1...Qb7
      • 2.Sc2#
    • 1...Qb8
      • 2.Sc2#
    • 1...Rd3
      • 2.Rxe4#
    • 1...Rd5
      • 2.Sxc4#
    • 1...Sg4
      • 2.Rxg3#
    • 1...Sd3
      • 2.Rxe4#
    • 1...Se6
      • 2.Sxc4#
  • Keys
    • 1.Rg4!
      • threat
        • 2.Qf4#
        • 2.Qxh6#
      • 1...Sxg4
        • 2.Rxg3#
      • 1...Sf3
        • 2.Qf4#
      • 1...Qf1
        • 2.Sc2#
      • 1...Rd3
        • 2.Rxe4#
      • 1...Rd5
        • 2.Sxc4#
      • 1...Sd3
        • 2.Rxe4#
      • 1...Se6
        • 2.Sxc4#
      • 1...h5
        • 2.Qg5#
        • 2.Qf4#
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • Q(b);N_GUARD::S(D),XQ(b)
    • Q(b);N_GUARD::S(D)
    • Q(b);N_GUARD,XS(A)::S(D)
    • R(h);N_GUARD,P_PINQ(G),P_SPINS(j),S_CUTQ(b)::R1(E),XP(i)
    • R(h);N_GUARD,P_PINQ(G),P_SPINS(j),S_CUTB(m)::S(D),XP(g)
    • S(d);N_GUARD::R(C),XP(f)
    • S(j);N_GUARD,P_SPINR(h),S_CUTQ(b)::R1(E),XP(i)
    • S(j);P_SPINR(h),S_CUTB(m)::S(D),XP(g)
  • Actual
    • R(E);
    • Threat
      • DUALS(2)
    • Vars
      • S(d);N_GUARD,XR(E)::R(C),XP(f)
      • S(d);::QAB1(G)
      • Q(b);N_GUARD::S(D)
      • R(h);N_GUARD,P_PINQ(G),P_SPINS(j),S_CUTQ(b)::R1(E),XP(i)
      • R(h);N_GUARD,P_PINQ(G),P_SPINS(j),S_CUTB(m)::S(D),XP(g)
      • S(j);N_GUARD,P_SPINR(h),S_CUTQ(b)::R1(E),XP(i)
      • S(j);P_SPINR(h),S_CUTB(m)::S(D),XP(g)
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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).