MESON Chess Problem Database

Problem Display
PID: 195236 (8/8/5p2/2P2b1R/RN2k3/3N2p1/3P2P1/1K6 w - - 0 1)

von Holzhausen, Walther Freiherr

Deutsches Wochenschach, 1918

8/8/5p2/2P2b1R/RN2k3/3N2p1/3P2P1/1K6

#2

8 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kc2?
      • 1...Bh3
        • 2.Sa2#
        • 2.Sd5#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Bg4
        • 2.Sa2#
        • 2.Sd5#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Be6
        • 2.Sd5#
      • 1...Bg6
        • 2.Sa2#
        • 2.Sd5#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Bd7
        • 2.Sc6#
      • 1...Bh7
        • 2.Sa2#
        • 2.Sd5#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Bc8
        • 2.Sa2#
        • 2.Sd5#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Kd4!
    • 1.Rxf5?
      • threat
        • 2.Rf4#
      • 1...Kd4
        • 2.Rf4#
      • 1...Kxf5!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sbd3#
        • 2.Sc6#
      • 1...Kd4+
        • 2.Sbd3#
      • 1...Kxf4+
        • 2.Sd3#
      • 1...Ke5+
        • 2.Sbd3#
      • 1...Be6
        • 2.Sbd5#
      • 1...Bd7
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • B(c);::R(E)+S(F)
      • Refutation
        • K(b);P-FLIGHT,P_PINS(D)
    • Try
      • R(H);XB(c)
      • Threat
        • R1(H)
      • Vars
        • K(b);P-FLIGHT::R(H)
      • Refutation
        • K(b);S_FLIGHT,XR(H)
  • Actual
    • S(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);CHECK,P-FLIGHT::R(E)+S(F)
      • K(b);CHECK,P-FLIGHT,XS(D)::R(E)+S(F),DCHECK
      • K(b);CHECK,P-FLIGHT,P_SPINB(c)::S(F)
      • B(c);::R(E)+S(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).