MESON Chess Problem Database

Problem Display
PID: 19103 (4q3/2n2NR1/2pBRp1p/5k1r/1r1p3p/1Q3p2/5K2/5N1B w - - 0 1)

Way, HA

Hampshire Post, 1912

4q3/2n2NR1/2pBRp1p/5k1r/1r1p3p/1Q3p2/5K2/5N1B

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Qxf3#
    • 1...Rg5
      • 2.Sxh6#
    • 1...Sxe6
      • 2.Qd3#
    • 1...d3
      • 2.Se3#
    • 1...h3
      • 2.Sg3#
  • Tries
    • 1.Bxf3?
      • threat
        • 2.Be4#
        • 2.Bg4#
      • 1...Rxb3
        • 2.Bg4#
      • 1...Sxe6
        • 2.Qd3#
      • 1...Rc4
        • 2.Bg4#
      • 1...Sd5
        • 2.Bg4#
      • 1...Rg5
        • 2.Sxh6#
      • 1...d3
        • 2.Se3#
      • 1...Qxe6!
    • 1.Rxf6+?
      • 1...Ke4
        • 2.Sd2#
        • 2.Bxf3#
        • 2.Rf4#
        • 2.Rg4#
        • 2.Qxf3#
      • 1...Kxf6!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Bh3#
      • 1...Qxe6
        • 2.Qxf3#
      • 1...Sxe6
        • 2.Qd3#
      • 1...fxg2
        • 2.Qh3#
      • 1...Rg5
        • 2.Sxh6#
      • 1...d3
        • 2.Se3#
      • 1...h3
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(k);SBLOCK,XR(F)::QAR2(D),XP(a)
    • R(f);N_GUARD::S(G),XP(i)
    • S(j);SBLOCK,XR(F)::QAB(D)
    • P(c);N_GUARD::S(A)
    • P(d);N_GUARD::S(A)
  • Tries
    • Try
      • B(B);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XQ(D)::B(B)
        • S(j);SBLOCK,XR(F)::QAB(D)
        • R(b);::B(B)
        • S(j);::B(B)
        • R(f);N_GUARD::S(G),XP(i)
        • P(c);N_GUARD::S(A)
      • Refutation
        • Q(k);XR(F)
    • Try
      • R(F);CHECK,XP(h)
      • Refutation
        • K(e);P-FLIGHT,XR(F)
  • Actual
    • B(B);
    • Threat
      • B(B)
    • Vars
      • Q(k);SBLOCK,XR(F)::QAR2(D),XP(a)
      • S(j);SBLOCK,XR(F)::QAB(D)
      • P(a);OGATE,XB(B)::QAB(D)
      • R(f);N_GUARD::S(G),XP(i)
      • P(c);N_GUARD::S(A)
      • P(d);N_GUARD::S(A)
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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).