MESON Chess Problem Database

Problem Display
PID: 162432 (1n6/1n2N1K1/5Qb1/1Bk5/3r1N2/PRqp4/2R5/2r5 w - - 0 1)

Knuppert, Hugo

Thomas, Georg

2nd Prize, Magasinet, 1940

1n6/1n2N1K1/5Qb1/1Bk5/3r1N2/PRqp4/2R5/2r5

#2

8 + 8

2048 Tuxens skakopgaver (Leif C Schmidt) 1984
15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sxd3#
    • 1...Sa6
      • 2.Qc6#
    • 1...Sc6
      • 2.Qxc6#
    • 1...Sd7
      • 2.Qc6#
  • Keys
    • 1.Ba6!
      • threat
        • 2.Qb6#
      • 1...Rxf4
        • 2.Qe5#
      • 1...Sxa6
        • 2.Qc6#
      • 1...Ra4
        • 2.Qe5#
      • 1...Rb4
        • 2.axb4#
      • 1...Rc4
        • 2.Rb5#
      • 1...Re4
        • 2.Sxd3#
      • 1...Rd5
        • 2.Rbxc3#
      • 1...Rd6
        • 2.Qxc3#
      • 1...Rd7
        • 2.Rbxc3#
      • 1...Rd8
        • 2.Rbxc3#
      • 1...Sd6
        • 2.Se6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sd7
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,P_PINQ(F),S_CUTB(f)::S(D),XP(c)
    • S(h);N_GUARD::QAR1(F)
    • S(h);N_GUARD::QAR1(F),XS(h)
  • Actual
    • B(E);
    • Threat
      • QAB1(F)
    • Vars
      • R(d);N_GUARD,P_PINQ(F),XS(D)::QAR2(F)
      • S(h);N_GUARD,XB(E)::QAR1(F)
      • R(d);N_GUARD,P_PINQ(F)::QAR2(F)
      • R(d);OGATE,P_PINQ(F)::P(B),XR(d)
      • R(d);N_SPINQ(b),P_PINQ(F),SBLOCK::R1(C)
      • R(d);N_GUARD,P_PINQ(F),S_CUTB(f)::S(D),XP(c)
      • R(d);N_GUARD,P_PINQ(F)::R(C),XQ(b)
      • R(d);OGATE,P_PINQ(F),SBLOCK::QAR2(F),XQ(b)
      • R(d);N_GUARD,P_PINQ(F),P_PINS(G)::R(C),XQ(b)
      • S(g);SBLOCK::S(D)
      • S(h);N_GUARD::QAR1(F),XS(h)
      • S(h);N_GUARD::QAR1(F)
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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).