MESON Chess Problem Database

Problem Display
PID: 121432 (7B/8/5q2/2N5/4Pk1P/2P2B2/4Q3/5K2 w - - 0 1)

Ferber, Eugene

Schweizerische Schachzeitung, 1912

7B/8/5q2/2N5/4Pk1P/2P2B2/4Q3/5K2

#2

8 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qh2#
  • Keys
    • 1.Qf2!
      • threat
        • 2.Sd3#
      • 1...Qa6+
        • 2.Be2#
      • 1...Ke5
        • 2.Qg3#
        • 2.Qh2#
      • 1...Qxc3
        • 2.Se6#
      • 1...Qxh4
        • 2.Se6#
      • 1...Qd4
        • 2.Se6#
      • 1...Qd8
        • 2.Se6#
        • 2.Bd1#
        • 2.Be2#
        • 2.Bh5#
      • 1...Qd6
        • 2.Bd1#
        • 2.Be2#
        • 2.Bh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(a);P_PINB(D),P_SPINQ(b),S_FLIGHT::QAB(B)
  • Actual
    • Q(B);
    • Threat
      • S(G)
    • Vars
      • Q(b);CHECK::QAR(B)+B(D)
      • Q(b);N_GUARD,XP(C)::S(G)
      • Q(b);N_GUARD,XP(F)::S(G)
      • Q(b);N_GUARD::S(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).