MESON Chess Problem Database

Problem Display
PID: 254627 (2B1r3/6p1/1p2n3/q1pp3n/Rr2kpP1/4b1P1/pQ1pPp1B/K2N1N2 w - - 0 1)

Ollerman, F

Probleemblad, 1946

2B1r3/6p1/1p2n3/q1pp3n/Rr2kpP1/4b1P1/pQ1pPp1B/K2N1N2

#2

10 + 15

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Bf5#
    • 1...Sc7
      • 2.Bf5#
    • 1...Sd8
      • 2.Bf5#
    • 1...Sf8
      • 2.Bf5#
  • Keys
    • 1.gxf4!
      • threat
        • 2.Qe5#
      • 1...Bxf4
        • 2.Sxf2#
      • 1...Shxf4
        • 2.Sg3#
      • 1...Sexf4
        • 2.Bf5#
      • 1...d4
        • 2.Bb7#
      • 1...Rd4
        • 2.Qc2#
      • 1...Bd4
        • 2.Sxd2#
      • 1...Sd4
        • 2.Sc3#
      • 1...Sg5
        • 2.Bf5#
      • 1...Sc7
        • 2.Bf5#
      • 1...Sd8
        • 2.Bf5#
      • 1...Sf8
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(m);OGATE::B(J)
  • Actual
    • P(G);XP(g)
    • Threat
      • QAR1(D)
    • Vars
      • B(d);N_GUARD,XP(G)::S(B),XP(c)
      • S(k);N_GUARD,SBLOCK,XP(G)::S(C)
      • S(m);OGATE,XP(G)::B(J)
      • P(j);N_SPINR(e),OGATEB::B(J)
      • R(e);::QAB(D)
      • B(d);N_GUARD,N_SPINR(e),P_PINQ(D)::S(C),XP(b)
      • S(m);N_SPINR(e),SBLOCK::S(B)
      • S(m);OGATE::B(J)
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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).