MESON Chess Problem Database

Problem Display
PID: 176117 (5R2/Q4Np1/b6p/5N2/1qr1p3/2b1R3/r1n2kBP/2B4K w - - 0 1)

Wenzel, Hugo

Schach-Echo, 1936

5R2/Q4Np1/b6p/5N2/1qr1p3/2b1R3/r1n2kBP/2B4K

#2

9 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe3
      • 2.Qxe3#
  • Tries
    • 1.Se5?
      • threat
        • 2.Sg4#
        • 2.Sd6#
        • 2.Se7#
      • 1...Qxf8
        • 2.Sg4#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...Qd6
        • 2.Sg4#
        • 2.Sxd6#
      • 1...Qe7
        • 2.Sg4#
        • 2.Sxe7#
      • 1...Qb6
        • 2.Sg4#
        • 2.Sd6#
      • 1...Qb7
        • 2.Sg4#
        • 2.Se7#
      • 1...Qb8
        • 2.Sg4#
      • 1...Rc6
        • 2.Sg4#
        • 2.Sd6#
      • 1...Rc7
        • 2.Sg4#
        • 2.Se7#
      • 1...Rc8
        • 2.Sg4#
      • 1...Bc8
        • 2.Sg4#
      • 1...Se1
        • 2.Sg4#
      • 1...Sd4
        • 2.Sg4#
      • 1...h5
        • 2.Sd6#
        • 2.Se7#
      • 1...Bxe5!
    • 1.Sg5?
      • threat
        • 2.Sh3#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...hxg5!
    • 1.S7xh6?
      • threat
        • 2.Sg4#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...gxh6!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Re2#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...Rd4
        • 2.Sd6#
      • 1...Rc5
        • 2.Se5#
      • 1...Sd4
        • 2.Sxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,P_SPINS(b),XR(E)::QAB1(G),XS(b)
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(3)
      • Vars
        • Q(e);XR(I)::S(H)
        • S(b);OGATE,P_SPINS(b),XR(E)::QAB1(G),XS(b)
        • Q(e);::S(H)
        • R(f);::S(H)
        • B(h);::S(H)
        • S(b);::S(H)
      • Refutation
        • B(d);XS(H)
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • S(b);OGATE,P_SPINS(b),XR(E)::QAB1(G),XS(b)
      • Refutation
        • P(i);XS(H)
    • Try
      • S(H);XP(i)
      • Threat
        • S(H)
      • Vars
        • S(b);OGATE,P_SPINS(b),XR(E)::QAB1(G),XS(b)
      • Refutation
        • P(j);XS(H)
  • Actual
    • S(F);
    • Threat
      • QAB(G)+R(E),DCHECK
    • Vars
      • S(b);OGATE,P_SPINS(b),XR(E)::QAB1(G),XS(b)
      • R(f);S_CUTB(d)::R(I)+S(H)
      • R(f);S_CUTQ(e)::R(I)+S(H)
      • S(b);S_CUTR(f)::S(F),XP(g)
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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).