MESON Chess Problem Database

Problem Display
PID: 194945 (8/1p1N3K/3P4/nrp2R2/1pkr1n1R/2P1Q3/PP1P3b/5b2 w - - 0 1)

Westbury, Eric Ernest

2nd Prize, La Vita Ligure Illustrata, 1918

8/1p1N3K/3P4/nrp2R2/1pkr1n1R/2P1Q3/PP1P3b/5b2

#2

10 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qxe4#
    • 1...Rb6
      • 2.Rxc5#
    • 1...Se2
      • 2.d3#
    • 1...Sd3
      • 2.Qe6#
    • 1...Sc6
      • 2.b3#
    • 1...bxc3
      • 2.Qxc3#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Se5#
      • 1...bxc3
        • 2.Qxc3#
      • 1...Rb6
        • 2.Rxc5#
      • 1...Re4
        • 2.Qxe4#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Se2
        • 2.d3#
      • 1...Sg2
        • 2.Qxf1#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sh3
        • 2.Qxf1#
      • 1...Sd5
        • 2.Qxf1#
      • 1...Sh5
        • 2.Qxf1#
      • 1...Se6
        • 2.Qxf1#
      • 1...Sg6
        • 2.Qxf1#
      • 1...Sc6
        • 2.b3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATEB::QAR2(E),XR(e)
    • R(h);N_GUARD::R1(G),XP(i)
    • S(f);N_GUARD,P_SPINR(e),S_CUTB(a)::P(C)
    • S(f);N_GUARD,P_SPINR(e),SBLOCK::QAB(E)
    • S(g);N_GUARD::P(B)
    • P(c);OGATE,XP(D)::QAR1(E),XP(c)
  • Actual
    • Q(E);
    • Threat
      • S(I)
    • Vars
      • P(c);OGATE,XP(D)::QAR1(E),XP(c)
      • R(h);N_GUARD::R1(G),XP(i)
      • R(e);OGATEB::QAR2(E),XR(e)
      • R(e);N_GUARD,P_SPINS(f)::QAB1(E),XR(e)
      • S(f);N_GUARD,P_SPINR(e),S_CUTB(a)::P(C)
      • S(f);N_GUARD,P_SPINR(e)::QAB(E),XB(a)
      • S(f);N_GUARD,P_SPINR(e),SBLOCK::QAB1(E)
      • S(g);N_GUARD::P(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).