MESON Chess Problem Database

Problem Display
PID: 174210 (2n5/1R6/r1p3QK/1N1n4/2kB1P2/1p2R3/N7/5bb1 w - - 0 1)

Buchner, Richard

Dresdner Volkszeitung, 1926

2n5/1R6/r1p3QK/1N1n4/2kB1P2/1p2R3/N7/5bb1

#2

8 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Qxc6#
    • 1...Ra4
      • 2.Qxc6#
    • 1...Ra5
      • 2.Qxc6#
    • 1...Ra7
      • 2.Qxc6#
    • 1...Ra8
      • 2.Qxc6#
    • 1...Bg2
      • 2.Qd3#
    • 1...Bd3
      • 2.Qxd3#
    • 1...Bh3
      • 2.Qd3#
    • 1...Sdb6
      • 2.Qxc6#
    • 1...Scb6
      • 2.Qxc6#
  • Keys
    • 1.Qe4!
      • threat
        • 2.Ba7#
      • 1...cxb5+
        • 2.Bb6#
      • 1...c5+
        • 2.Bf6#
      • 1...Bxe3
        • 2.Bxe3#
      • 1...Rb6
        • 2.Sa3#
      • 1...Sdb6
        • 2.Qxc6#
      • 1...Scb6
        • 2.Sd6#
      • 1...Ra7
        • 2.Bxa7#
      • 1...Bg2
        • 2.Qd3#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sc3
        • 2.Rxc3#
      • 1...Sf6
        • 2.Rc3#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
        • 2.Bxa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 7
    • REMOVED MATES = 5
  • Sets
    • R(f);N_GUARD::QAR2(F),XP(g)
    • B(a);N_GUARD::QAB1(F)
    • B(a);N_GUARD::QAB1(F),XB(a)
    • S(e);S_CUTR(f)::QAR2(F),XP(g)
    • S(h);S_CUTR(f)::QAR2(F),XP(g)
  • Actual
    • Q(F);
    • Threat
      • QAR(F)+B(C)
    • Vars
      • P(g);CHECK,SBLOCK,XS(E)::QAR(F)+B(C)
      • P(g);CHECK,SBLOCK::QAR(F)+B(C)
      • B(b);OGATE,P_PINP(D),XR(B)::QAR(F)+B(C),XB(b)
      • R(f);N_GUARD::S(E)
      • S(e);OGATE::QAR2(F),XP(g)
      • S(h);N_GUARD::S(E)
      • R(f);::QAR(F)+B(C),XR(f)
      • B(a);N_GUARD::QAB1(F)
      • B(a);N_GUARD::QAB1(F),XB(a)
      • S(e);N_GUARD::R1(B),XS(e)
      • S(e);N_GUARD::R1(B)
      • S(h);N_GUARD::S(E),XS(h)
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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).