MESON Chess Problem Database

Problem Display
PID: 244864 (8/8/5p1N/3Q3p/5p1k/2B3Rq/8/K4b2 w - - 0 1)

Gold, Samuel

Wiener Hausfrauen-Zeitung, 1911

8/8/5p1N/3Q3p/5p1k/2B3Rq/8/K4b2

#2

5 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Sf5#
    • 1...Qf5
      • 2.Sxf5#
    • 1...Qh1
      • 2.Sf5#
    • 1...Qh2
      • 2.Sf5#
    • 1...fxg3
      • 2.Bxf6#
  • Tries
    • 1.Rxh3+?
      • 1...Bxh3
        • 2.Be1#
      • 1...Kxh3!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Sf5#
      • 1...Kxg3
        • 2.Be1#
      • 1...fxg3
        • 2.Bxf6#
      • 1...Bd3
        • 2.Qxh3#
      • 1...f5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(b);N_GUARD::S(E)
    • Q(b);N_GUARD::S(E),XQ(b)
    • P(c);SBLOCK,XR(C)::B(B),XP(f)
  • Tries
    • Try
      • R(C);CHECK,XQ(b)
      • Vars
        • B(a);SBLOCK,XR(C)::B(B)
      • Refutation
        • K(d);P-FLIGHT,XR(C)
  • Actual
    • Q(D);P_PINQ(b)
    • Threat
      • S(E)
    • Vars
      • K(d);N_SPINQ(b),OGATEB,S_FLIGHT,XR(C)::B(B)
      • P(c);SBLOCK,XR(C)::B(B),XP(f)
      • B(a);N_GUARD::QAR1(D),XQ(b)
      • P(f);::S(E),XP(f)
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).