MESON Chess Problem Database

Problem Display
PID: 250239 (3KR1B1/8/2p5/4b2N/Rn1pkPn1/r2q4/2PPpr1p/1Q2N3 w - - 0 1)

Weiss, Berthold

Brisbane Courier, 1927

3KR1B1/8/2p5/4b2N/Rn1pkPn1/r2q4/2PPpr1p/1Q2N3

#2

10 + 11

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Bh7#
    • 1...Sd5
      • 2.Bh7#
    • 1...Se3
      • 2.Rxe5#
    • 1...Sf6
      • 2.Rxe5#
    • 1...Sh6
      • 2.Rxe5#
  • Keys
    • 1.c4!
      • threat
        • 2.Bh7#
      • 1...dxc4 ep+
        • 2.Qxd3#
      • 1...Kf5
        • 2.Bh7#
      • 1...Rxf4
        • 2.Sg3#
      • 1...Se3
        • 2.Rxe5#
      • 1...Sf6
        • 2.Rxe5#
      • 1...Sh6
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(h);N_GUARD,N_SPINB(j),S_FLIGHT::B(J)
    • S(f);P_SPINP(g),SBLOCK::B(J)
    • S(i);N_GUARD::R1(I),XB(j)
  • Actual
    • P(C);P_PINQ(e)
    • Threat
      • B(J)
    • Vars
      • P(g);CHECK,EP,P_SPINS(f),S_CUTR(d),XP(C)::QAB1(A),XQ(e)
      • K(h);N_SPINB(j),S_FLIGHT::B(J)
      • R(b);SBLOCK,XP(F)::S(G)
      • S(i);N_GUARD::R1(I),XB(j)
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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).