MESON Chess Problem Database

Problem Display
PID: 245609 (3K4/2NQ4/2p5/1n2pnp1/bBk1p2R/r2r4/2N5/1R3Bq1 w - - 0 1)

Musante, Horacio Luis

Skakbladet, 1947

3K4/2NQ4/2p5/1n2pnp1/bBk1p2R/r2r4/2N5/1R3Bq1

#2

8 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bxd3#
      • 2.Qxd3#
    • 1...Ra2
      • 2.Bxd3#
      • 2.Qxd3#
    • 1...Bb3
      • 2.Bxd3#
      • 2.Qxd3#
    • 1...Sc3
      • 2.Sxa3#
      • 2.Bxd3#
      • 2.Qxd3#
    • 1...Sbd4
      • 2.Sxa3#
    • 1...Sbd6
      • 2.Qe6#
    • 1...Sa7
      • 2.Sxa3#
    • 1...Sxc7
      • 2.Sxa3#
    • 1...Sfd6
      • 2.Qe6#
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Rxe4+?
      • 1...Sbd4
        • 2.Sxa3#
        • 2.Qe6#
        • 2.Qf7#
      • 1...Sfd4
        • 2.Qxc6#
        • 2.Qe6#
        • 2.Qf7#
      • 1...Qd4!
  • Keys
    • 1.Sxa3+!
      • 1...Sxa3
        • 2.Bxd3#
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • S(g);N_GUARD,N_PINQ(G),N_SPINP(f)::S(C),XR(b)
    • S(g);N_PINQ(G)::QAB(G)
    • S(g);N_GUARD::S(C),XR(b)
    • S(g);N_GUARD,XS(F)::S(C),XR(b)
    • S(i);N_PINQ(G)::QAB(G)
    • P(k);N_GUARD::QAB1(G)
  • Tries
    • Try
      • R(E);CHECK,XP(f)
      • Refutation
        • Q(a);P_SPINQ(a)
  • Actual
    • S(C);CHECK,XR(b)
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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).