MESON Chess Problem Database

Problem Display
PID: 244585 (K3Qbb1/4p2N/2B2Pn1/3p1p2/4kpPq/2B5/2pR1R2/4nN2 w - - 0 1)

Bunka, Vladislav

Sachove umeni (Ceskoslovensky sach), 2009

K3Qbb1/4p2N/2B2Pn1/3p1p2/4kpPq/2B5/2pR1R2/4nN2

#2

10 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.Sg5#
    • 1...Qg3
      • 2.Sg5#
    • 1...Qg5
      • 2.Sxg5#
    • 1...Qxf6
      • 2.Sxf6#
    • 1...Qh1
      • 2.Sg5#
    • 1...Qh2
      • 2.Sg5#
    • 1...Qh3
      • 2.Sg5#
    • 1...Bxh7
      • 2.Bxd5#
    • 1...Sd3
      • 2.Rde2#
    • 1...Sf3
      • 2.Rfe2#
    • 1...Se5
      • 2.Rd4#
    • 1...fxg4
      • 2.Qxg6#
    • 1...e5
      • 2.Rd4#
    • 1...e6
      • 2.Bxd5#
  • Keys
    • 1.Bb7!
      • threat
        • 2.Qa4#
      • 1...Qxf2
        • 2.Sg5#
      • 1...Qxf6
        • 2.Sxf6#
      • 1...fxg4
        • 2.Qxg6#
      • 1...Sd3
        • 2.Rde2#
      • 1...Sf3
        • 2.Rfe2#
      • 1...Se5
        • 2.Rd4#
      • 1...e5
        • 2.Rd4#
      • 1...e6
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • Q(e);N_GUARD,XR(C)::S(H)
    • Q(e);N_GUARD::S(H)
    • Q(e);N_GUARD::S(H),XQ(e)
    • Q(e);XP(G)::S(H),XQ(e)
    • B(k);N_GUARD,XS(H)::B(F),XP(f)
    • S(a);SBLOCK::R(B)
    • S(a);SBLOCK::R(C)
    • S(h);SBLOCK::R1(B)
    • P(g);OGATEB,XP(E)::QAB(J),XS(h)
    • P(i);::R1(B)
    • P(i);S_CUTB(k)::B(F),XP(f)
  • Actual
    • B(F);
    • Threat
      • QAR(J)
    • Vars
      • Q(e);N_GUARD,XR(C)::S(H)
      • Q(e);XP(G)::S(H),XQ(e)
      • P(g);OGATEB,XP(E)::QAB(J),XS(h)
      • S(a);SBLOCK::R(B)
      • S(a);SBLOCK::R(C)
      • S(h);SBLOCK::R1(B)
      • P(i);::R1(B)
      • P(i);S_CUTB(k)::B(F),XP(f)
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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).