MESON Chess Problem Database

Problem Display
PID: 108454 (B6B/3p4/2np4/1r1n1RKp/1p2k1bR/1p6/3pPPP1/1NbQ4 w - - 0 1)

Huberty, Antoine

Bulletin de la FFE, 1935

B6B/3p4/2np4/1r1n1RKp/1p2k1bR/1p6/3pPPP1/1NbQ4

#2

10 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sxd2#
    • 1...Ba3
      • 2.Sxd2#
    • 1...Se3
      • 2.f3#
    • 1...Sd4
      • 2.Rf4#
    • 1...Sa5
      • 2.Rf4#
    • 1...Se5
      • 2.Rf4#
    • 1...Sa7
      • 2.Rf4#
    • 1...Se7
      • 2.Rf4#
    • 1...Sb8
      • 2.Rf4#
    • 1...Sd8
      • 2.Rf4#
    • 1...b2
      • 2.Qc2#
  • Tries
    • 1.Rxg4+?
      • 1...Sf4
        • 2.Rxf4#
      • 1...hxg4!
  • Keys
    • 1.Qxd2!
      • threat
        • 2.f3#
      • 1...Bxd2+
        • 2.Sxd2#
      • 1...Sf4
        • 2.Qd4#
      • 1...Sd4
        • 2.Rf4#
      • 1...Se5
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • B(a);N_GUARD::S(A),XP(b)
    • S(h);P_PINR(G),P_SPINS(j),SBLOCK::P(D)
    • S(j);P_SPINS(h)::R1(G)
    • P(c);N_GUARD::QAB(B)
  • Tries
    • Try
      • R(F);CHECK,XB(f)
      • Vars
        • S(h);N_GUARD,P_PINR(G),P_SPINS(h)::R1(F),XS(h)
      • Refutation
        • P(i);XR(F)
  • Actual
    • Q(B);P_SPINQ(B),XP(b)
    • Threat
      • P(D)
    • Vars
      • B(a);CHECK,XQ(B)::S(A),XB(a)
      • S(h);N_PINQ(B),N_SPINB(f),P_PINR(G),P_SPINS(j)::QAR1(B)
      • S(j);P_SPINS(h)::R1(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).