MESON Chess Problem Database

Problem Display
PID: 198293 (3Q1N2/5N1r/p1B1P2p/Rb2bk2/p4pR1/3p3K/1qp5/8 w - - 0 1)

Roura, Juan R

Rivista del Club Argentino de Ajedrez, 1920

3Q1N2/5N1r/p1B1P2p/Rb2bk2/p4pR1/3p3K/1qp5/8

#2

8 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rg7
      • 2.Sxh6#
    • 1...Bc4
      • 2.Sd6#
    • 1...Bxc6
      • 2.Sd6#
    • 1...Bf6
      • 2.Qxd3#
    • 1...f3
      • 2.Be4#
    • 1...h5
      • 2.Rg5#
      • 2.Qg5#
  • Keys
    • 1.Rh4!
      • threat
        • 2.Rh5#
      • 1...Bxc6
        • 2.Sd6#
      • 1...Rg7
        • 2.Sxh6#
      • 1...Bf6
        • 2.Qxd3#
      • 1...f3
        • 2.Be4#
      • 1...h5
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(k);N_GUARD::S(F),XP(j)
    • B(f);P_SPINB(g)::S(F)
    • B(f);P_SPINB(g),XB(D)::S(F)
    • B(g);P_SPINB(f),SBLOCK::QAB(G),XP(c)
    • P(e);::B(D)
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • B(f);P_SPINB(g),XB(D)::S(F)
      • R(k);N_GUARD::S(F),XP(j)
      • B(g);P_SPINB(f),SBLOCK::QAB(G),XP(c)
      • P(e);::B(D)
      • P(j);N_GUARD::QAR1(G)
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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).