MESON Chess Problem Database

Problem Display
PID: 16324 (1bK5/p4Q2/1p1pPPp1/Rn1n1kp1/bpNB4/r3pP2/2r1N3/1B6 w - - 0 1)

Clark, Cecil Henry Douglas

Vlietinck, Albert EM

Chess, 1940

1bK5/p4Q2/1p1pPPp1/Rn1n1kp1/bpNB4/r3pP2/2r1N3/1B6

#2

10 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Sbc3
      • 2.Sxe3#
    • 1...Sxd4
      • 2.Rxd5#
    • 1...Sbc7
      • 2.Sxd6#
    • 1...Sdc3
      • 2.Sxe3#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sxf6
      • 2.Qxf6#
    • 1...Sdc7
      • 2.Sxd6#
    • 1...Se7+
      • 2.fxe7#
  • Tries
    • 1.Bxc2+?
      • 1...Rd3
        • 2.Bxd3#
      • 1...Bxc2!
  • Keys
    • 1.e7!
      • threat
        • 2.Qxd5#
      • 1...Sxe7+
        • 2.fxe7#
      • 1...Sxd4
        • 2.Rxd5#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sbc3
        • 2.Sxe3#
      • 1...Sbc7
        • 2.Sxd6#
      • 1...Sdc3
        • 2.Sxe3#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sdc7
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(f);N_PINS(D),P_SPINS(g)::S(D),XP(c)
    • S(f);OGATE,P_SPINS(g),XB(E)::R(F),XS(g)
    • S(f);N_PINS(D),P_SPINS(g)::S(D),XP(k)
    • S(g);N_PINS(D),P_SPINS(f)::S(D),XP(c)
    • S(g);P_SPINS(f),SBLOCK::S(B)
    • S(g);OGATE,P_SPINS(f),XP(H)::QAR1(I),XS(g)
    • S(g);N_PINS(D),P_SPINS(f)::S(D),XP(k)
    • S(g);CHECK,OGATE,P_SPINS(f)::QAR(I)+P(H),XS(g)
  • Tries
    • Try
      • B(A);CHECK,N_SPINS(D),XR(a)
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::B(A),XR(b)
      • Refutation
        • B(d);XB(A)
  • Actual
    • P(G);
    • Threat
      • QAR2(I),XS(g)
    • Vars
      • S(g);CHECK,OGATE,P_SPINS(f),XP(G)::QAR(I)+P(H),XS(g)
      • S(f);OGATE,P_SPINS(g),XB(E)::R(F),XS(g)
      • S(g);OGATE,P_SPINS(f),XP(H)::QAR1(I),XS(g)
      • S(f);N_PINS(D),P_SPINS(g)::S(D),XP(c)
      • S(f);N_PINS(D),P_SPINS(g)::S(D),XP(k)
      • S(g);N_PINS(D),P_SPINS(f)::S(D),XP(c)
      • S(g);P_SPINS(f),SBLOCK::S(B)
      • S(g);N_PINS(D),P_SPINS(f)::S(D),XP(k)
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).