MESON Chess Problem Database

Problem Display
PID: 20947 (6Rr/6Np/4P2q/7Q/3P1k2/2n1p1N1/6PK/8 w - - 0 1)

Bottacchi, Antonio

Hampshire Telegraph and Post, 1914

(First published on Fri Apr 24 1914)

6Rr/6Np/4P2q/7Q/3P1k2/2n1p1N1/6PK/8

#2

8 + 6

3360 Simple Two-move Themes 1924
6388 ChessMoves 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qg5
      • 2.Qf3#
    • 1...Qxg7
      • 2.Qf5#
    • 1...Qxh5+
      • 2.S7xh5#
    • 1...Qxe6
      • 2.Sxe6#
    • 1...Se4
      • 2.Se2#
  • Tries
    • 1.Rf8+?
      • 1...Qf6
        • 2.Rxf6#
        • 2.Qh4#
      • 1...Rxf8!
  • Keys
    • 1.Kh3!
      • threat
        • 2.Qxh6#
      • 1...Qxh5+
        • 2.S7xh5#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Qxg7
        • 2.Qf5#
      • 1...Qg5
        • 2.Qf3#
      • 1...Qf6
        • 2.Qg4#
      • 1...Qg6
        • 2.Qe5#
      • 1...Se4
        • 2.Se2#

This is a version

Version of JD Williams.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_PINQ(E),SBLOCK::QAR1(E)
    • Q(d);N_PINQ(E),XS(G)::QAR1(E)
    • Q(d);CHECK,XQ(E)::S(G),XQ(d)
    • Q(d);N_PINQ(E),XP(F)::S(G),XQ(d)
    • S(a);N_GUARD,SBLOCK::S(C)
  • Tries
    • Try
      • R(H);CHECK
      • Refutation
        • R(f);XR(H)
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • QAB(E),XQ(d)
    • Vars
      • Q(d);CHECK,XQ(E)::S(G),XQ(d)
      • Q(d);CHECK,N_PINQ(E),XP(F)::S(G),XQ(d)
      • Q(d);N_PINQ(E),XS(G)::QAR1(E)
      • Q(d);N_PINQ(E),SBLOCK::QAR1(E)
      • Q(d);N_PINQ(E)::QAR1(E)
      • Q(d);N_PINQ(E)::QAB1(E)
      • S(a);N_GUARD,SBLOCK::S(C)
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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).