MESON Chess Problem Database

Problem Display
PID: 154096 (8/8/2K2p2/5k2/4Rb2/8/3P2Q1/8 w - - 0 1)

L'Hermet, Johann Georg Rudolf

Magdeburger Zeitung, 1885

8/8/2K2p2/5k2/4Rb2/8/3P2Q1/8

#2

4 + 3

119 Tidskrift for Schack 1909
3713 Snap 2015
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd2
      • 2.Qg4#
    • 1...Bh2
      • 2.Qg4#
    • 1...Be3
      • 2.Qg4#
    • 1...Be5
      • 2.Qg4#
    • 1...Bd6
      • 2.Qg4#
    • 1...Bh6
      • 2.Qg4#
    • 1...Bc7
      • 2.Qg4#
    • 1...Bb8
      • 2.Qg4#
  • Tries
    • 1.Qg7?
      • 1...Bxd2
        • 2.Qg4#
      • 1...Be5
        • 2.Qg4#
      • 1...Bh2
        • 2.Qg4#
      • 1...Be3
        • 2.Qg4#
      • 1...Bg3
        • 2.Qg4#
      • 1...Bg5
        • 2.Qh7#
      • 1...Bd6
        • 2.Qg4#
      • 1...Bh6
        • 2.Qg4#
      • 1...Bc7
        • 2.Qg4#
      • 1...Bb8
        • 2.Qg4#
      • 1...Kxe4!
  • Keys
    • 1.Qg8!
      • 1...Kxe4
        • 2.Qd5#
      • 1...Bxd2
        • 2.Qg4#
      • 1...Bh2
        • 2.Qg4#
      • 1...Be3
        • 2.Qg4#
      • 1...Bg3
        • 2.Qg4#
      • 1...Be5
        • 2.Qg4#
      • 1...Bg5
        • 2.Qh7#
      • 1...Bd6
        • 2.Qg4#
      • 1...Bh6
        • 2.Qg4#
      • 1...Bc7
        • 2.Qg4#
      • 1...Bb8
        • 2.Qg4#

This anticipates 193929(1916), 80743(1983)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);XP(A)::QAB1(B)
    • B(a);::QAB1(B)
  • Tries
    • Try
      • Q(B);
      • Vars
        • B(a);XP(A)::QAB1(B)
        • B(a);::QAB1(B)
        • B(a);SBLOCK::QAB(B)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAB1(B)
      • B(a);XP(A)::QAB1(B)
      • B(a);::QAB1(B)
      • B(a);SBLOCK::QAB(B)
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).