MESON Chess Problem Database

Problem Display
PID: 46302 (K3N1Q1/p6p/2p5/3pk1p1/2P1P2p/r1n1P1nr/8/4N3 w - - 0 1)

Groeneveld, Cornelis

3rd HM., Shakhmatna misl, 1999

K3N1Q1/p6p/2p5/3pk1p1/2P1P2p/r1n1P1nr/8/4N3

#2

7 + 11

102 Probleemblad 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qe6#
  • Tries
    • 1.Qxg5+?
      • 1...Kxe4
        • 2.Sd6#
        • 2.Sf6#
        • 2.Qf4#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Ke6!
    • 1.Qg6?
      • threat
        • 2.Sd3#
        • 2.Sf3#
      • 1...Scxe4
        • 2.Sf3#
      • 1...Sgxe4
        • 2.Sd3#
      • 1...dxc4
        • 2.Sf3#
      • 1...dxe4
        • 2.Qf6#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sb1
        • 2.Sf3#
      • 1...Sd1
        • 2.Sf3#
      • 1...Sa2
        • 2.Sf3#
      • 1...Sce2
        • 2.Sf3#
      • 1...Sa4
        • 2.Sf3#
      • 1...Sb5
        • 2.Sf3#
      • 1...Sf1
        • 2.Sd3#
        • 2.Qf5#
      • 1...Sh1
        • 2.Sd3#
        • 2.Qf5#
      • 1...Sge2
        • 2.Sd3#
        • 2.Qf5#
      • 1...Sh5
        • 2.Sd3#
        • 2.Qf5#
      • 1...g4
        • 2.Sd3#
      • 1...hxg6!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qe7#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Scxe4
        • 2.Sf3#
      • 1...Sgxe4
        • 2.Sd3#
      • 1...dxe4
        • 2.Qf6#
      • 1...Sf5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(g);P-FLIGHT,XP(D)::QAR2(G)
  • Tries
    • Try
      • Q(G);CHECK,XP(h)
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR1(G),XS(c)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XP(D)::S(A)
        • S(c);XP(D)::S(A)
        • P(f);XP(C)::S(A)
        • P(f);SBLOCK,XP(D)::QAB1(G)
        • S(c);N_GUARD::QAR1(G),XS(c)
        • S(b);::S(A)
        • P(h);::S(A)
      • Refutation
        • P(k);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAR2(G)
    • Vars
      • K(g);P-FLIGHT,XP(D)::QAR2(G)
      • S(b);SBLOCK,XP(D)::S(A)
      • S(c);SBLOCK,XP(D)::S(A)
      • P(f);SBLOCK,XP(D)::QAB1(G)
      • S(c);N_GUARD::QAR1(G),XS(c)
HTML5 logo

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).