MESON Chess Problem Database

Problem Display
PID: 176045 (2B5/K3p2r/4P1N1/RPB2k1P/2R1N1p1/3P4/2q2P2/4bQ2 w - - 0 1)

Beemann, R

Schach-Echo, 1939

2B5/K3p2r/4P1N1/RPB2k1P/2R1N1p1/3P4/2q2P2/4bQ2

#2

13 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...g3
      • 2.Qh3#
  • Keys
    • 1.Bd6!
      • threat
        • 2.Sh4#
      • 1...Qxf2+
        • 2.Rc5#
      • 1...Bxf2+
        • 2.b6#
      • 1...exd6+
        • 2.e7#
      • 1...Rxh5
        • 2.Sxe7#
      • 1...g3
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::QAB(A)
  • Actual
    • B(H);
    • Threat
      • S(K)
    • Vars
      • Q(b);CHECK,N_GUARD,P_SPINQ(b),XP(B)::R(D)
      • B(a);CHECK,N_GUARD,P_SPINB(a),XP(B)::R(F)+P(G)
      • P(e);CHECK,OGATE,XB(H)::B(M)+P(J)
      • R(f);N_GUARD,XP(I)::S(K),XP(e)
      • P(c);OGATEB::QAB(A)
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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).