MESON Chess Problem Database

Problem Display
PID: 17174 (1Bq2Rbb/1p3p1B/2p5/4n2r/3P1k1p/1Q3N1P/K7/6R1 w - - 0 1)

Simkhovich, Froim Markovich

3rd Prize, Chemnitzer Tageblatt, 1925

1Bq2Rbb/1p3p1B/2p5/4n2r/3P1k1p/1Q3N1P/K7/6R1

#2

9 + 10

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qg4
      • 2.Rxg4#
    • 1...Qd8
      • 2.Rg4#
    • 1...Qe8
      • 2.Rg4#
    • 1...Qxf8
      • 2.Rg4#
    • 1...Rf5
      • 2.Rg4#
    • 1...f5
      • 2.Rg4#
  • Keys
    • 1.Sg5!
      • threat
        • 2.Qf3#
      • 1...Qxh3
        • 2.Sxh3#
      • 1...Qxb8
        • 2.Se6#
      • 1...Rxg5
        • 2.Rf1#
      • 1...Qg4
        • 2.Rxg4#
      • 1...Qe6
        • 2.Sxe6#
      • 1...Qc7
        • 2.Se6#
      • 1...f5
        • 2.Rg4#
      • 1...f6
        • 2.Bxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • Q(h);N_GUARD::R1(A),XQ(h)
    • Q(h);N_GUARD::R1(A)
    • Q(h);N_GUARD,N_SPINP(g),XR(I)::R1(A)
    • R(d);N_SPINP(g),S_CUTQ(h)::R1(A)
    • P(g);P_PINQ(C),S_CUTQ(h)::R1(A)
  • Actual
    • S(D);
    • Threat
      • QAR1(C)
    • Vars
      • Q(h);XP(E)::S(D),XQ(h)
      • Q(h);N_GUARD,N_SPINS(c),XB(H)::S(D)
      • R(d);SBLOCK,XS(D)::R(A)
      • Q(h);N_GUARD::R1(A),XQ(h)
      • Q(h);N_GUARD,P_PINQ(C)::S(D),XQ(h)
      • Q(h);N_GUARD,N_SPINS(c)::S(D)
      • P(g);P_PINQ(C),S_CUTQ(h)::R1(A)
      • P(g);P_PINQ(C),S_CUTB(j)::B(H),XS(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).