MESON Chess Problem Database

Problem Display
PID: 224265 (5R2/5nNN/5pp1/3p4/3P1k1p/2B4P/K7/2b1Q3 w - - 0 1)

Ros, Johan August

Baltimore Sunday News, 1888

5R2/5nNN/5pp1/3p4/3P1k1p/2B4P/K7/2b1Q3

#2

8 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Rxf6#
    • 1...Sg5
      • 2.Rxf6#
    • 1...Sd8
      • 2.Rxf6#
    • 1...Sh8
      • 2.Rxf6#
  • Keys
    • 1.Sg5!
      • 1...Kxg5
        • 2.Qxc1#
      • 1...Sxg5
        • 2.Rxf6#
      • 1...fxg5
        • 2.Rxf7#
      • 1...Bb2
        • 2.Bd2#
      • 1...Bd2
        • 2.Bxd2#
      • 1...Ba3
        • 2.Bd2#
      • 1...Be3
        • 2.Qxh4#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sd6
        • 2.Qe5#
      • 1...Sh6
        • 2.Qe5#
      • 1...Sd8
        • 2.Qe5#
      • 1...Sh8
        • 2.Qe5#
      • 1...f5
        • 2.S7e6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(g);OGATE,P_SPINP(e)::R(H),XP(e)
  • Actual
    • S(G);
    • Vars
      • K(b);S_FLIGHT,XS(G)::QAB(A),XB(a)
      • S(g);OGATE,P_SPINP(e),SBLOCK,XS(G)::R(H),XP(e)
      • P(e);OGATEB,P_SPINS(g),SBLOCK,XS(G)::R(H),XS(g)
      • B(a);N_GUARD::B(C)
      • B(a);N_GUARD::B(C),XB(a)
      • B(a);SBLOCK::QAR2(A),XP(c)
      • S(g);N_GUARD,P_SPINP(e)::QAB1(A),XS(g)
      • S(g);N_GUARD,P_SPINP(e)::QAB1(A)
      • P(e);SBLOCK::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).