MESON Chess Problem Database

Problem Display
PID: 107820 (7b/7q/4R2r/1PNk3B/1Q3Bp1/2p3N1/2p5/2K5 w - - 0 1)

Brunner, Erich Anselm

Munchner Presse, 1925

7b/7q/4R2r/1PNk3B/1Q3Bp1/2p3N1/2p5/2K5

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh5
      • 2.Rd6#
    • 1...Bf6
      • 2.Rd6#
  • Tries
    • 1.Qb3+?
      • 1...Kd4
        • 2.Be3#
      • 1...Kxc5!
  • Keys
    • 1.Sa6!
      • 1...Kxe6
        • 2.Qd6#
      • 1...Rxh5
        • 2.Rd6#
      • 1...Rxe6
        • 2.Qc5#
      • 1...Qd3
        • 2.Sc7#
      • 1...Qe4
        • 2.Sc7#
        • 2.Qxe4#
      • 1...Qf5
        • 2.Sc7#
      • 1...Qg6
        • 2.Sc7#
      • 1...Qg8
        • 2.Sc7#
        • 2.Qe4#
      • 1...Qa7
        • 2.Qe4#
      • 1...Qb7
        • 2.Qe4#
      • 1...Qc7
        • 2.Sxc7#
        • 2.Qe4#
      • 1...Qd7
        • 2.Qe4#
      • 1...Qe7
        • 2.Qe4#
      • 1...Qf7
        • 2.Qe4#
      • 1...Qg7
        • 2.Qe4#
      • 1...Rf6
        • 2.Re5#
      • 1...Rg6
        • 2.Qe4#
      • 1...Bd4
        • 2.Qb3#
      • 1...Be5
        • 2.Rxe5#
      • 1...Bf6
        • 2.Rd6#
      • 1...Bg7
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,XB(G)::R1(H)
    • B(g);S_CUTR(e)::R1(H)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P-FLIGHT::B(D)
      • Refutation
        • K(d);P-FLIGHT,XS(F)
  • Actual
    • S(F);
    • Vars
      • K(d);S_FLIGHT,XR(H)::QAR1(C)
      • R(e);N_GUARD,XB(G)::R1(H)
      • R(e);SBLOCK,XR(H)::QAR1(C)
      • Q(f);N_GUARD::S(F)
      • Q(f);N_GUARD::QAB1(C)
      • R(e);S_CUTB(g)::R1(H)
      • R(e);S_CUTQ(f)::QAB1(C)
      • B(g);SBLOCK::QAB(C)
      • B(g);N_GUARD::R1(H),XB(g)
      • B(g);S_CUTR(e)::R1(H)
      • B(g);S_CUTQ(f)::S(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).