MESON Chess Problem Database

Problem Display
PID: 109953 (2Nr4/Bp1B4/R3PP1Q/1R1pkp2/8/6N1/3nK3/3rn3 w - - 0 1)

Burda, Josef

Sachova skladba, 1986

2Nr4/Bp1B4/R3PP1Q/1R1pkp2/8/6N1/3nK3/3rn3

#2

10 + 8

6490 yacpdb 2009
4901 Best Problems 2011

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qg5#
  • Tries
    • 1.Qh5?
      • threat
        • 2.Qxf5#
      • 1...Kf4
        • 2.Bb8#
      • 1...Kxf6
        • 2.Bd4#
      • 1...b6!
    • 1.Qg6?
      • threat
        • 2.Qxf5#
      • 1...Kf4
        • 2.Bb8#
      • 1...f4
        • 2.Qf5#
        • 2.Qg5#
      • 1...b6!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Rxd5#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kd6
        • 2.Qf4#
      • 1...Rxd7
        • 2.Sxd7#
      • 1...Sb1
        • 2.Sc4#
      • 1...Sf1
        • 2.Sc4#
      • 1...Sb3
        • 2.Sc4#
      • 1...Sdf3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Se4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATEB::QAR2(G)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAR1(G),XP(f)
      • Vars
        • K(e);N_SPINP(d),S_FLIGHT::B(H)
        • K(e);N_SPINP(d),S_FLIGHT,XP(F)::B(H)
      • Refutation
        • P(g);
    • Try
      • Q(G);
      • Threat
        • QAR1(G),XP(f)
      • Vars
        • K(e);N_SPINP(d),S_FLIGHT::B(H)
      • Refutation
        • P(g);
  • Actual
    • S(J);
    • Threat
      • R1(C),XP(d)
    • Vars
      • K(e);N_SPINP(d),S_FLIGHT::QAB1(G)
      • K(e);N_SPINP(d),S_FLIGHT::QAB(G)
      • R(h);XB(I)::S(J),XR(h)
      • S(c);N_GUARD::S(J)
      • S(c);N_GUARD::S(J),XS(c)
HTML5 logo

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).