MESON Chess Problem Database

Problem Display
PID: 80409 (2R3Q1/7N/1p2r1p1/1P1kn1p1/N1pbn1p1/2p5/2K5/3RB2B w - - 0 1)

Drese, Gerardus Hendrikus

1st HM., Tijdschrift vd KNSB 27. TT, 1941

2R3Q1/7N/1p2r1p1/1P1kn1p1/N1pbn1p1/2p5/2K5/3RB2B

#2

9 + 11

6426 Probleemcomponisten V - G H Drese 1947

SOLUTION

  • SOUND
  • Tries
    • 1.Sxg5?
      • threat
        • 2.Qxe6#
      • 1...Kd6
        • 2.Qxe6#
      • 1...Sf7!
    • 1.Sf8?
      • threat
        • 2.Qxe6#
      • 1...Kd6
        • 2.Qxe6#
      • 1...Sf7!
  • Keys
    • 1.Bg3!
      • 1...Kd6
        • 2.Qd8#
      • 1...Sd3
        • 2.Rd8#
      • 1...Sf3
        • 2.Sxb6#
      • 1...Sc6
        • 2.Sf6#
      • 1...Sd7
        • 2.Sxc3#
      • 1...Sf7
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);XP(h)
      • Threat
        • QAB1(I),XR(j)
      • Vars
        • K(f);N_SPINR(j),N_SPINS(d),P-FLIGHT::QAR1(I),XR(j)
      • Refutation
        • S(g);N_SPINR(j)
    • Try
      • S(G);
      • Threat
        • QAB1(I),XR(j)
      • Vars
        • K(f);N_SPINR(j),N_SPINS(d),P-FLIGHT::QAR1(I),XR(j)
      • Refutation
        • S(g);N_SPINR(j)
  • Actual
    • B(B);
    • Vars
      • K(f);N_SPINR(j),N_SPINS(d),P-FLIGHT,P_SPINS(g)::QAR2(I)
      • S(g);N_GUARD,N_SPINB(c)::R(H)
      • S(g);N_SPINS(d)::S(E),XP(i)
      • S(g);::S(G)
      • S(g);::S(E),XP(a)
      • S(g);N_SPINR(j)::S(E),XP(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).