MESON Chess Problem Database

Problem Display
PID: 212075 (6B1/8/6p1/1Rp1pPQ1/2r1k2K/1nB3P1/2R1P3/1N6 w - - 0 1)

Winkler, Martin

Schach-Echo, 1934

6B1/8/6p1/1Rp1pPQ1/2r1k2K/1nB3P1/2R1P3/1N6

#2

10 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Sd2#
    • 1...Sc1
      • 2.Sd2#
    • 1...Sd2
      • 2.Sxd2#
    • 1...Sd4
      • 2.Sd2#
    • 1...Sa5
      • 2.Sd2#
  • Tries
    • 1.Bd2?
      • threat
        • 2.Qg4#
      • 1...Kd4
        • 2.Rxc4#
        • 2.Qe3#
      • 1...gxf5
        • 2.Qe3#
      • 1...Sxd2!
    • 1.Bxc4?
      • 1...Sa1
        • 2.Sd2#
      • 1...Sc1
        • 2.Sd2#
      • 1...Sd2
        • 2.Sxd2#
      • 1...Sd4
        • 2.Sd2#
      • 1...Sa5
        • 2.Sd2#
      • 1...gxf5!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qg4#
      • 1...Kxd4
        • 2.Rxc4#
      • 1...Rxd4
        • 2.Sc3#
      • 1...Sxd4
        • 2.Sd2#
      • 1...cxd4
        • 2.Bd5#
      • 1...exd4
        • 2.Qf4#
      • 1...gxf5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD::S(A),XS(a)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR2(I)
      • Vars
        • P(f);SBLOCK,XP(H)::QAR1(I)
      • Refutation
        • S(a);XB(D)
    • Try
      • B(J);XR(b)
      • Vars
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
      • Refutation
        • P(f);XP(H)
  • Actual
    • B(D);
    • Threat
      • QAR2(I)
    • Vars
      • K(c);OGATEB,P-FLIGHT,XB(D)::R1(B),XR(b)
      • R(b);N_GUARD,SBLOCK,XB(D)::S(A)
      • S(a);N_GUARD,SBLOCK,XB(D)::S(A)
      • P(d);SBLOCK,XB(D)::B(J)
      • P(e);N_GUARD,SBLOCK,XB(D)::QAR1(I)
      • P(f);SBLOCK,XP(H)::QAR1(I)
HTML5 logo

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).