MESON Chess Problem Database

Problem Display
PID: 227263 (8/4Pp2/3P1Kp1/Q1N2p2/r2k4/2r1NB2/1n2n3/B7 w - - 0 1)

Kraemer, Wilhelm

Die Schwalbe, 1928

8/4Pp2/3P1Kp1/Q1N2p2/r2k4/2r1NB2/1n2n3/B7

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Qd2#
    • 1...Sc4
      • 2.Sc2#
  • Keys
    • 1.e8Q!
      • threat
        • 2.Qe5#
      • 1...Rxe3
        • 2.Qexa4#
      • 1...Rxc5
        • 2.Qd2#
      • 1...Sd3
        • 2.Sb3#
      • 1...Sc4
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE,P_SPINS(a),SBLOCK,XS(E)::QAR2(D)
    • S(a);P_SPINR(c),SBLOCK::S(B)
  • Actual
    • P(H);
    • Threat
      • QAB1(H)
    • Vars
      • R(c);N_GUARD,P_SPINS(a),SBLOCK,XS(B)::QAR(H),XR(d)
      • R(c);OGATE,P_SPINS(a),SBLOCK,XS(E)::QAR2(D)
      • S(a);P_SPINR(c),SBLOCK::S(E)
      • S(a);P_SPINR(c),SBLOCK::S(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).