MESON Chess Problem Database

Problem Display
PID: 175076 (1Q6/2B3pK/pPb3p1/k3p2p/P2N4/2b2q2/1P1n4/R7 w - - 0 1)

Stritecky Blazej

Sachove listy, 1902

1Q6/2B3pK/pPb3p1/k3p2p/P2N4/2b2q2/1P1n4/R7

#2

8 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Sxc6#
    • 1...Qe2
      • 2.Sxc6#
    • 1...Qg4
      • 2.Sxc6#
    • 1...Qf1
      • 2.Sxc6#
    • 1...Qf2
      • 2.Sxc6#
    • 1...Qd3
      • 2.Sxc6#
    • 1...Qe3
      • 2.Sxc6#
    • 1...Qg3
      • 2.Sxc6#
    • 1...Qh3
      • 2.Sxc6#
    • 1...Qf4
      • 2.Sxc6#
    • 1...Qf5
      • 2.Sxc6#
    • 1...Qf7
      • 2.Sxc6#
    • 1...Qf8
      • 2.Sxc6#
    • 1...Bb4
      • 2.b7#
    • 1...Se4
      • 2.Sxc6#
    • 1...e4
      • 2.Sxc6#
  • Tries
    • 1.b4+?
      • 1...Bxb4
        • 2.b7#
      • 1...Kxb4!
  • Keys
    • 1.Qf8!
      • threat
        • 2.b7#
      • 1...Qxf8
        • 2.Sxc6#
      • 1...Bxd4
        • 2.b4#
      • 1...Qf7
        • 2.Sxc6#
      • 1...Bb7
        • 2.Qc5#
      • 1...Sc4
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 14
  • Sets
    • Q(c);N_GUARD::S(D),XB(h)
    • Q(c);N_GUARD,SBLOCK::S(D),XB(h)
    • B(b);SBLOCK::B(F)+P(E)
    • S(a);S_CUTQ(c)::S(D),XB(h)
    • P(e);S_CUTQ(c)::S(D),XB(h)
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • B(b);SBLOCK,XP(B)::B(F)+P(E)
      • Refutation
        • K(d);S_FLIGHT,XP(B)
  • Actual
    • Q(H);
    • Threat
      • B(F)+P(E)
    • Vars
      • Q(c);N_GUARD,XQ(H)::S(D),XB(h)
      • B(b);N_GUARD,XS(D)::P(B)
      • Q(c);N_GUARD::S(D),XB(h)
      • B(h);N_GUARD::QAR2(H)
      • S(a);N_GUARD::S(D)
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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).