MESON Chess Problem Database

Problem Display
PID: 261977 (3RQ3/7n/3p1p2/b2B2p1/NpqkN1b1/3Pp3/2n4B/3R2K1 w - - 0 1)

Pachman, Vladimir

Problemnoter, 1960

3RQ3/7n/3p1p2/b2B2p1/NpqkN1b1/3Pp3/2n4B/3R2K1

#2

9 + 11

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Rxd6#
    • 1...Bh3
      • 2.dxc4#
    • 1...Bf5
      • 2.dxc4#
    • 1...Be6
      • 2.dxc4#
    • 1...Bd7
      • 2.dxc4#
    • 1...Bc8
      • 2.dxc4#
  • Keys
    • 1.Sxd6!
      • threat
        • 2.Qe4#
      • 1...Kxd5
        • 2.dxc4#
      • 1...Qxd5
        • 2.Sb5#
      • 1...Bf3
        • 2.Sf5#
      • 1...Bf5
        • 2.Sxf5#
      • 1...Be6
        • 2.dxc4#
      • 1...f5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • K(e);OGATEB,P-FLIGHT,P_SPINP(i),XB(G)::R1(H),XP(i)
    • B(f);N_GUARD::R(A)+P(D),XQ(d)
  • Actual
    • S(F);XP(i)
    • Threat
      • QAR1(I)
    • Vars
      • K(e);P-FLIGHT,XB(G)::R(A)+P(D)DCHECK,XQ(d)
      • Q(d);N_GUARD,XB(G)::S(F)
      • B(f);N_GUARD::S(F)
      • B(f);N_GUARD::S(F),XB(f)
      • B(f);N_GUARD::R(A)+P(D),XQ(d)
      • P(j);N_GUARD::QAB1(I)
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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).