MESON Chess Problem Database

Problem Display
PID: 16790 (5KB1/2QpNn2/2np3r/p7/pb1k1B2/p2p4/8/1NR1Rr1b w - - 0 1)

Goldschmeding, Cornelis

De Probleemvriend, 1943

5KB1/2QpNn2/2np3r/p7/pb1k1B2/p2p4/8/1NR1Rr1b

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Sf5#
    • 1...Bd2
      • 2.Qb6#
    • 1...Sa7
      • 2.Rc4#
      • 2.Qc4#
    • 1...Sxe7
      • 2.Qc4#
    • 1...Sb8
      • 2.Rc4#
      • 2.Qc4#
    • 1...Scd8
      • 2.Rc4#
      • 2.Qc4#
    • 1...Se5
      • 2.Sf5#
    • 1...Sg5
      • 2.Sf5#
      • 2.Rc4#
    • 1...Sfd8
      • 2.Sf5#
      • 2.Rc4#
    • 1...Sh8
      • 2.Sf5#
      • 2.Rc4#
  • Keys
    • 1.Sd2!
      • threat
        • 2.Rc4#
      • 1...Bxd2
        • 2.Qb6#
      • 1...Sxe7
        • 2.Qc4#
      • 1...Bc3
        • 2.Qb6#
      • 1...Bd5
        • 2.Sf5#
      • 1...Sce5
        • 2.Be3#
      • 1...Sfe5
        • 2.Sf5#
      • 1...d5
        • 2.Be3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::S(F)
    • B(f);N_GUARD::QAB(E)
    • S(i);OGATE,XS(F)::QAR1(E)
    • S(m);P_PINB(D)::S(F)
  • Actual
    • S(A);
    • Threat
      • R1(B)
    • Vars
      • B(f);N_GUARD,XS(A)::QAB(E)
      • S(i);OGATE,XS(F)::QAR1(E)
      • B(f);N_GUARD::QAB(E)
      • B(b);SBLOCK::S(F)
      • S(i);SBLOCK::B(D)
      • S(m);P_PINB(D)::S(F)
      • P(j);P_PINS(F)::B(D)
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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).