MESON Chess Problem Database

Problem Display
PID: 119832 (8/3p1r1b/7b/1Q6/4n1N1/2p2N1B/K3P1r1/n4k2 w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

Chess Amateur (The), 1928

8/3p1r1b/7b/1Q6/4n1N1/2p2N1B/K3P1r1/n4k2

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.e3#
    • 1...Sc2
      • 2.e3#
    • 1...Sf2
      • 2.Sgh2#
    • 1...c2
      • 2.e3#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qd1#
      • 1...Bd2
        • 2.e3#
      • 1...Sc2
        • 2.e3#
      • 1...Sd2
        • 2.e4#
      • 1...Sf2
        • 2.Sgh2#
      • 1...c2
        • 2.e3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(f);N_PINP(B)::QAB(F)+P(B)
    • S(a);N_PINP(B)::QAB(F)+P(B)
    • S(e);N_PINP(B),SBLOCK::S(E)
    • P(d);N_PINP(B)::QAB(F)+P(B)
  • Actual
    • Q(F);
    • Threat
      • QAR2(F)
    • Vars
      • B(f);N_PINP(B)::QAB(F)+P(B)
      • S(a);N_PINP(B)::QAB(F)+P(B)
      • S(e);N_PINP(B)::QAB(F)+P(B)
      • S(e);N_PINP(B),SBLOCK::S(E)
      • P(d);N_PINP(B)::QAB(F)+P(B)
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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).