MESON Chess Problem Database

Problem Display
PID: 187639 (1Q6/N7/4B3/2PqPP2/1P1k4/1b1p1PP1/p2P4/K7 w - - 0 1)

Bobrov, Pavel Pavlovich

Shakhmatnoe obozrenie, 1909

1Q6/N7/4B3/2PqPP2/1P1k4/1b1p1PP1/p2P4/K7

#2

11 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Sc6#
    • 1...Qe4
      • 2.Sb5#
    • 1...Qc6
      • 2.Sxc6#
    • 1...Qa8
      • 2.Sb5#
    • 1...Qxe5
      • 2.Sb5#
      • 2.Sc6#
    • 1...Qd8
      • 2.Sb5#
      • 2.Sc6#
  • Keys
    • 1.Qd8!
      • 1...Kc4
        • 2.Qh4#
      • 1...Kxe5
        • 2.Qh8#
      • 1...Qxd8
        • 2.Sc6#
      • 1...Qd6
        • 2.Sc6#
      • 1...Qd7
        • 2.Sc6#
      • 1...Bd1
        • 2.Qxd5#
      • 1...Bc2
        • 2.Qxd5#
      • 1...Ba4
        • 2.Qxd5#
      • 1...Bc4
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 4
  • Sets
    • Q(e);N_GUARD::S(J)
    • Q(e);::S(J)
    • Q(e);N_GUARD::S(J),XQ(e)
  • Actual
    • Q(K);P_PINQ(e)
    • Vars
      • K(d);P-FLIGHT::QAR(K)
      • K(d);N_SPINQ(e),OGATEB,S_FLIGHT,XP(G)::QAB(K)
      • Q(e);N_SPINQ(e),XQ(K)::S(J)
      • Q(e);::S(J)
      • B(b);N_GUARD::QAR1(K),XQ(e)
      • B(b);SBLOCK::S(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).