MESON Chess Problem Database

Problem Display
PID: 119910 (2n2q2/8/4R3/3P2r1/2N1N3/1B1kP3/1P3pP1/5K2 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Bohemia, 1910

2n2q2/8/4R3/3P2r1/2N1N3/1B1kP3/1P3pP1/5K2

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qa3
      • 2.Sxf2#
    • 1...Qb4
      • 2.Sxf2#
    • 1...Qc5
      • 2.Sxf2#
      • 2.Sxc5#
    • 1...Qd6
      • 2.Sxf2#
    • 1...Qh6
      • 2.Sxf2#
      • 2.Sc5#
    • 1...Qe7
      • 2.Sxf2#
    • 1...Qg7
      • 2.Sxf2#
      • 2.Sc5#
    • 1...Qf3
      • 2.Sc5#
    • 1...Qf4
      • 2.Sc5#
    • 1...Qf5
      • 2.Sc5#
    • 1...Qf6
      • 2.Sc5#
    • 1...Qf7
      • 2.Sc5#
    • 1...Qd8
      • 2.Sxf2#
      • 2.Sc5#
    • 1...Qe8
      • 2.Sxf2#
      • 2.Sc5#
    • 1...Qg8
      • 2.Sxf2#
      • 2.Sc5#
    • 1...Qh8
      • 2.Sxf2#
      • 2.Sc5#
    • 1...Sd6
      • 2.Sc5#
    • 1...Se7
      • 2.Sc5#
  • Tries
    • 1.Re7?
      • threat
        • 2.Sc5#
      • 1...Qxe7
        • 2.Sxf2#
      • 1...Rxd5!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Sc5#
      • 1...Kxe4
        • 2.Bc2#
      • 1...Qxd6
        • 2.Sxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(e);N_GUARD::S(G),XP(a)
    • Q(e);N_GUARD::S(G)
    • S(d);S_CUTQ(e)::S(G)
  • Tries
    • Try
      • R(I);
      • Threat
        • S(G)
      • Vars
        • Q(e);N_GUARD,XR(I)::S(G),XP(a)
      • Refutation
        • R(c);XP(H)
  • Actual
    • R(I);
    • Threat
      • S(G)
    • Vars
      • K(b);S_FLIGHT,XS(G)::B(D)
      • Q(e);N_GUARD,XR(I)::S(G),XP(a)
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).