MESON Chess Problem Database

Problem Display
PID: 5091 (3R4/bk6/8/8/P7/8/6KB/5Q2 w - - 0 1)

von Holzhausen, Walther Freiherr

Deutsches Wochenschach, 1899

3R4/bk6/8/8/P7/8/6KB/5Q2

#2

5 + 2

3757 Schachminiaturen I 1902
119 Tidskrift for Schack 1909
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kb6
      • 2.Qb5#
    • 1...Kc6
      • 2.Qb5#
  • Tries
    • 1.Rd7+?
      • 1...Kb6
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ka8
        • 2.Qf3#
      • 1...Kc8!
    • 1.Rb8+?
      • 1...Kc6
        • 2.Qb5#
      • 1...Bxb8!
    • 1.Qb1+?
      • 1...Ka6
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Bb6!
  • Keys
    • 1.Ra8!
      • 1...Kb6
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Kxa8
        • 2.Qf3#
      • 1...Bb8
        • 2.Qa6#
      • 1...Bg1
        • 2.Qa6#
      • 1...Bf2
        • 2.Qa6#
      • 1...Be3
        • 2.Qa6#
      • 1...Bd4
        • 2.Qa6#
      • 1...Bc5
        • 2.Qa6#
      • 1...Bb6
        • 2.Qf3#

This anticipates 28877(1928)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(A)
    • K(b);S_FLIGHT::QAB1(A)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • K(b);S_FLIGHT::QAB1(A)
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • B(a);XR(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • R(E);
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);S_FLIGHT,XR(E)::QAB(A)
      • B(a);::QAB1(A)
      • B(a);SBLOCK::QAB(A)
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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).