MESON Chess Problem Database

Problem Display
PID: 231069 (2NRr3/2pbp2p/nn1b4/1P1k1P1K/4p1P1/1PQ2pR1/5NB1/6B1 w - - 0 1)

Hansen, Victor Juul

The Problemist, 1927

2NRr3/2pbp2p/nn1b4/1P1k1P1K/4p1P1/1PQ2pR1/5NB1/6B1

#2

12 + 11

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Bxf3#
    • 1...c5
      • 2.Sxb6#
    • 1...c6
      • 2.Sxb6#
  • Keys
    • 1.Sh3!
      • threat
        • 2.Qd4#
      • 1...Bxb5
        • 2.Sf4#
      • 1...Bxf5
        • 2.Sf4#
      • 1...e3
        • 2.Bxf3#
      • 1...Bc5
        • 2.Sf4#
      • 1...Be5
        • 2.Qc6#
      • 1...f2
        • 2.Rd3#
      • 1...c5
        • 2.Sxb6#
      • 1...e5
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB,P_SPINP(a)::B(C),XP(a)
    • P(g);N_GUARD::S(K),XS(e)
  • Actual
    • S(B);
    • Threat
      • QAR1(E)
    • Vars
      • B(h);P_SPINB(f),XP(H)::S(B)
      • B(h);P_SPINB(f),XP(I)::S(B)
      • P(b);OGATEB,P_SPINP(a)::B(C),XP(a)
      • B(f);N_GUARD,P_SPINB(h)::S(B)
      • B(f);P_SPINB(h),SBLOCK::QAB1(E)
      • P(a);OGATE,P_SPINP(b)::R(F)
      • P(g);N_GUARD::S(K),XS(e)
      • P(i);SBLOCK::QAR(E)
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).