MESON Chess Problem Database

Problem Display
PID: 206585 (6n1/2Q3PN/7p/3BNk1b/6p1/1p4b1/4Pp1B/5K2 w - - 0 1)

Rauzer, Vsevolod Alfredovich

Veintraub, L

64 Shakhmatnoe obozrenie, 1925

6n1/2Q3PN/7p/3BNk1b/6p1/1p4b1/4Pp1B/5K2

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.e4#
    • 1...Bh4
      • 2.Qd7#
      • 2.Qc8#
      • 2.e4#
  • Tries
    • 1.Bxg3?
      • threat
        • 2.Qd7#
        • 2.Qc8#
        • 2.e4#
      • 1...Bf7
        • 2.e4#
      • 1...Be8
        • 2.e4#
      • 1...Se7
        • 2.Qd7#
        • 2.e4#
      • 1...Sf6!
  • Keys
    • 1.Sg6!
      • 1...Kxg6
        • 2.Be4#
      • 1...Bxh2
        • 2.Sh4#
      • 1...Bxc7
        • 2.Sh4#
      • 1...Bxg6
        • 2.e4#
      • 1...Bf4
        • 2.Sh4#
      • 1...Bh4
        • 2.Sxh4#
      • 1...Be5
        • 2.Sh4#
      • 1...Bd6
        • 2.Sh4#
      • 1...Sf6
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...b2
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • B(c);::P(B)
  • Tries
    • Try
      • B(C);XB(c)
      • Threat
        • DUALS(3)
      • Vars
        • B(f);::P(B)
      • Refutation
        • S(h);
  • Actual
    • S(E);
    • Vars
      • K(e);S_FLIGHT,XS(E)::B(D)
      • B(c);N_GUARD,XB(C)::S(E)
      • B(c);N_GUARD,XQ(F)::S(E)
      • B(f);SBLOCK,XS(E)::P(B)
      • B(c);N_GUARD::S(E)
      • B(c);N_GUARD::S(E),XB(c)
      • S(h);N_GUARD::S(E)
      • S(h);N_GUARD::S(E),XS(h)
      • P(b);N_GUARD::QAB(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).