MESON Chess Problem Database

Problem Display
PID: 63822 (Q4qn1/p4N2/r1n4p/p2ppPR1/RB2k1B1/6K1/1bN1P1b1/8 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1946

Q4qn1/p4N2/r1n4p/p2ppPR1/RB2k1B1/6K1/1bN1P1b1/8

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb4
      • 2.Sd6#
    • 1...Qd6
      • 2.Sxd6#
    • 1...Qg7
      • 2.Sd6#
    • 1...Qxa8
      • 2.Sd6#
    • 1...Qc8
      • 2.Sd6#
    • 1...Qe8
      • 2.Sd6#
    • 1...Bf1
      • 2.Bf3#
    • 1...Bf3
      • 2.Bxf3#
    • 1...Bh3
      • 2.Bf3#
    • 1...Sce7
      • 2.Bc3#
    • 1...Sge7
      • 2.Sd6#
    • 1...hxg5
      • 2.Sxg5#
  • Keys
    • 1.f6!
      • threat
        • 2.Bf5#
      • 1...hxg5
        • 2.Sxg5#
      • 1...d4
        • 2.Rxe5#
      • 1...Qc8
        • 2.Sd6#
      • 1...Bh3
        • 2.Bf3#
      • 1...Sd4
        • 2.Rxe5#
      • 1...Sce7
        • 2.Bc3#
      • 1...Sge7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • Q(k);N_GUARD,P_SPINQ(k),XB(E)::S(I)
    • Q(k);N_GUARD::S(I),XQ(k)
    • Q(k);N_GUARD::S(I)
    • Q(k);N_GUARD,XQ(J)::S(I)
    • B(b);N_GUARD::B(F)
    • B(b);N_GUARD::B(F),XB(b)
    • S(h);N_GUARD,P_SPINP(e),S_CUTQ(k)::R(D)+B(E)
    • S(l);S_CUTQ(k)::S(I)
    • P(i);XR(H)::S(I),XP(i)
  • Actual
    • P(G);
    • Threat
      • B(F)
    • Vars
      • P(i);XR(H)::S(I),XP(i)
      • P(e);P_SPINS(h),S_CUTB(a)::R1(H),XP(f)
      • Q(k);N_GUARD::S(I)
      • B(b);N_GUARD::B(F)
      • S(h);N_GUARD,P_SPINP(e),S_CUTB(a)::R1(H),XP(f)
      • S(h);N_GUARD,P_SPINP(e),S_CUTQ(k)::R(D)+B(E)
      • S(l);S_CUTQ(k)::S(I)
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).