MESON Chess Problem Database

Problem Display
PID: 147140 (8/KN1b4/8/N4p2/1p1k1P2/p1r5/1n6/B3Q2B w - - 0 1)

Wernicke, Adolf

1st Prize, Deutsche Arbeiter Schachklub Kreis, 1928

8/KN1b4/8/N4p2/1p1k1P2/p1r5/1n6/B3Q2B

#2

7 + 7

5454 Near Snap 2013
14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Qd2#
    • 1...Rd3
      • 2.Qe5#
    • 1...Rc4
      • 2.Qd2#
    • 1...Rc5
      • 2.Qd2#
    • 1...Rc6
      • 2.Qd2#
    • 1...Rc7
      • 2.Qd2#
    • 1...Rc8
      • 2.Qd2#
    • 1...Sd1
      • 2.Qd2#
    • 1...Sa4
      • 2.Qd2#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qe5#
      • 1...Kxc5
        • 2.Qe5#
      • 1...Rxc5
        • 2.Qd2#
      • 1...Re3
        • 2.Qxb4#
      • 1...Sd3
        • 2.Scb3#
      • 1...Sc4
        • 2.Sab3#

Anticipated by 31473(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • R(c);N_GUARD,P_SPINS(a)::QAR2(B)
    • R(c);P_SPINS(a),SBLOCK::QAB1(B)
    • R(c);N_GUARD,P_PINS(G),P_SPINS(a)::QAR2(B)
    • S(a);N_GUARD,P_SPINR(c)::QAR2(B)
  • Actual
    • S(G);
    • Threat
      • QAB1(B)
    • Vars
      • K(e);S_FLIGHT,XS(G)::QAR2(B)
      • R(c);N_GUARD,P_SPINS(a),SBLOCK,XS(G)::QAR2(B)
      • R(c);OGATE,P_SPINS(a),SBLOCK::QAR2(B),XP(d)
      • S(a);P_SPINR(c),SBLOCK::S(G)
      • S(a);P_SPINR(c),SBLOCK::S(E)
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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).