MESON Chess Problem Database

Problem Display
PID: 93590 (4N3/2ppr2p/4b1RK/1B1kp1Q1/1P2p3/3P4/2nnN3/1rqR4 w - - 0 1)

Grzankowski, Waclaw

Parallele 50, 1947

4N3/2ppr2p/4b1RK/1B1kp1Q1/1P2p3/3P4/2nnN3/1rqR4

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Sxc7#
    • 1...Bg4
      • 2.Sxc7#
    • 1...Bf5
      • 2.Sxc7#
    • 1...Bf7
      • 2.Sxc7#
    • 1...Bg8
      • 2.Sxc7#
    • 1...Sd4
      • 2.Sf4#
    • 1...Sc4
      • 2.dxc4#
    • 1...d6
      • 2.Sf6#
  • Keys
    • 1.d4!
      • threat
        • 2.Qxe5#
      • 1...Sxd4
        • 2.Sf4#
      • 1...Bh3
        • 2.Sxc7#
      • 1...Bg4
        • 2.Sxc7#
      • 1...Bf5
        • 2.Sxc7#
      • 1...Bf7
        • 2.Sxc7#
      • 1...Bg8
        • 2.Sxc7#
      • 1...Sf1
        • 2.Sc3#
      • 1...Sb3
        • 2.Sc3#
      • 1...Sf3
        • 2.Sc3#
      • 1...Sc4
        • 2.Sc3#
      • 1...d6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(h);::S(I),XP(i)
    • B(h);N_SPINP(g)::S(I),XP(i)
    • S(c);SBLOCK::S(B)
    • S(d);OGATE,P_PINQ(F)::R(A)+P(C)DCHECK,XS(d)
    • P(j);SBLOCK::S(I)
  • Actual
    • P(C);
    • Threat
      • QAR1(F),XP(g)
    • Vars
      • S(c);SBLOCK,XP(C)::S(B)
      • B(h);::S(I),XP(i)
      • B(h);N_SPINP(g)::S(I),XP(i)
      • S(d);P_PINQ(F)::S(B)
      • P(j);SBLOCK::S(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).