MESON Chess Problem Database

Problem Display
PID: 147148 (5R2/3N3n/1P3q2/Q2P2p1/r4kP1/pbp1b1r1/2Pn1N2/K1BBR3 w - - 0 1)

Huberty, Antoine

5th HM., L'Echiquier, 1935

5R2/3N3n/1P3q2/Q2P2p1/r4kP1/pbp1b1r1/2Pn1N2/K1BBR3

#2

12 + 11

14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Rxf5#
    • 1...Re4
      • 2.Sd3#
    • 1...Bd4
      • 2.Re4#
    • 1...Sf3
      • 2.Bxe3#
    • 1...Se4
      • 2.Sd3#
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Qe5#
      • 1...Sxf8
        • 2.Qxf6#
      • 1...Rd4
        • 2.Qc7#
      • 1...Re4
        • 2.Sd3#
      • 1...Bd4
        • 2.Re4#
      • 1...Sf3
        • 2.Bxe3#
      • 1...Sc4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(j);OGATE::R1(L),XQ(j)
    • R(g);SBLOCK::S(F)
    • B(e);OGATE,P_SPINS(a)::R1(D)
    • S(a);OGATE,P_SPINB(e)::B(B),XB(e)
    • S(a);P_SPINB(e),SBLOCK::S(F)
  • Actual
    • Q(H);P_SPINQ(H),XP(d)
    • Threat
      • QAB1(H)
    • Vars
      • S(k);N_GUARD,N_SPINQ(j),XR(L)::QAR2(H),XQ(j)
      • R(g);N_PINQ(H)::QAB(H)
      • R(g);SBLOCK::S(F)
      • B(e);OGATE,P_SPINS(a)::R1(D)
      • S(a);OGATE,P_SPINB(e)::B(B),XB(e)
      • S(a);N_GUARD,P_SPINB(e),S_CUTR(g)::QAR2(H)
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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).