MESON Chess Problem Database

Problem Display
PID: 78325 (3B2bn/8/5Rp1/1KNp4/1QpkP1N1/4rp2/2P5/b3nq2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

The Tablet, 1958

(First published on Sat Jun 14 1958)

3B2bn/8/5Rp1/1KNp4/1QpkP1N1/4rp2/2P5/b3nq2

#2

8 + 11

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Sb3#
  • Tries
    • 1.Se6+?
      • 1...Kxe4
        • 2.Rf4#
      • 1...Bxe6!
    • 1.Rf4?
      • threat
        • 2.Bf6#
      • 1...Sd3
        • 2.Sb3#
      • 1...Sf7
        • 2.Se6#
      • 1...dxe4!
    • 1.Rf5?
      • threat
        • 2.Bf6#
      • 1...Rxe4
        • 2.Sb3#
      • 1...Sf7
        • 2.Rxd5#
      • 1...Sd3!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Bf6#
      • 1...Rxe4
        • 2.Sb3#
      • 1...Sd3
        • 2.Qxc4#
      • 1...Sf7
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,SBLOCK,XP(C)::S(F)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(g);P-FLIGHT,XP(C)::R1(G)
      • Refutation
        • B(j);XS(F)
    • Try
      • R(G);
      • Threat
        • B(H)
      • Vars
        • S(b);S_CUTR(d)::S(F)
        • S(k);S_CUTB(j)::S(F)
      • Refutation
        • P(h);XP(C)
    • Try
      • R(G);
      • Threat
        • B(H)
      • Vars
        • R(d);N_GUARD,SBLOCK,XP(C)::S(F)
        • S(k);S_CUTB(j)::R1(G),XP(h)
      • Refutation
        • S(b);
  • Actual
    • R(G);
    • Threat
      • B(H)
    • Vars
      • R(d);N_GUARD,SBLOCK,XP(C)::S(F)
      • S(b);S_CUTQ(c)::QAR1(B),XP(f)
      • S(k);S_CUTB(j)::R1(G),XP(h)
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).