MESON Chess Problem Database

Problem Display
PID: 232741 (1BRN4/3N1p1Q/1p3p1q/b2k1pn1/8/3K2n1/8/8 w - - 0 1)

Hanslik, Dieter

Freie Presse, 1977

1BRN4/3N1p1Q/1p3p1q/b2k1pn1/8/3K2n1/8/8

#2

6 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qf8
      • 2.Sxf6#
    • 1...Qh1
      • 2.Sxf6#
    • 1...Qh2
      • 2.Sxf6#
    • 1...Qh3
      • 2.Sxf6#
    • 1...Qh4
      • 2.Sxf6#
    • 1...Qh5
      • 2.Sxf6#
    • 1...Qxh7
      • 2.Sxf6#
    • 1...Be1
      • 2.Sxb6#
    • 1...Bd2
      • 2.Sxb6#
    • 1...Bc3
      • 2.Sxb6#
    • 1...Bb4
      • 2.Sxb6#
    • 1...Sf1
      • 2.Qxf5#
    • 1...Sh1
      • 2.Qxf5#
    • 1...Se2
      • 2.Qxf5#
    • 1...S3e4
      • 2.Qxf5#
    • 1...Sh5
      • 2.Qxf5#
    • 1...Sf3
      • 2.Qxf7#
    • 1...Sh3
      • 2.Qxf7#
    • 1...S5e4
      • 2.Qxf7#
    • 1...b5
      • 2.Rc5#
  • Tries
    • 1.Rc4?
      • threat
        • 2.Rd4#
      • 1...Qh4
        • 2.Sxf6#
      • 1...Bc3
        • 2.Sxb6#
      • 1...Se2
        • 2.Qxf5#
      • 1...Sf3
        • 2.Qxf7#
      • 1...Se6!
    • 1.Qxf7+?
      • 1...Se6
        • 2.Qxe6#
      • 1...Sxf7!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rd6#
      • 1...Qf8
        • 2.Sxf6#
      • 1...Bb4
        • 2.Sxb6#
      • 1...S3e4
        • 2.Qxf5#
      • 1...S5e4
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 16
  • Sets
    • Q(h);N_GUARD::S(B),XP(g)
    • Q(h);N_GUARD,XQ(C)::S(B),XP(g)
    • B(b);N_GUARD::S(B),XP(f)
    • S(a);N_GUARD::QAR2(C),XP(d)
    • S(e);N_GUARD::QAB(C),XP(i)
    • P(f);N_GUARD::R1(E)
  • Tries
    • Try
      • R(E);
      • Threat
        • R1(E)
      • Vars
        • Q(h);N_GUARD::S(B),XP(g)
        • B(b);N_GUARD::S(B),XP(f)
        • S(a);N_GUARD::QAR2(C),XP(d)
        • S(e);N_GUARD::QAB(C),XP(i)
      • Refutation
        • S(e);
    • Try
      • Q(C);CHECK,XP(i)
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(C),XS(e)
      • Refutation
        • S(e);XQ(C)
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • Q(h);N_GUARD::S(B),XP(g)
      • B(b);N_GUARD::S(B),XP(f)
      • S(a);N_GUARD::QAR2(C),XP(d)
      • S(e);N_GUARD::QAB(C),XP(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).