MESON Chess Problem Database

Problem Display
PID: 269752 (8/K7/pQ1P4/2n2P2/P1k1BqNR/8/1P1n4/1rbR1bB1 w - - 0 1)

Chicco, Adriano

Tukor, 1937

8/K7/pQ1P4/2n2P2/P1k1BqNR/8/1P1n4/1rbR1bB1

#2

11 + 8

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Sxe5#
    • 1...Qg5
      • 2.Se5#
    • 1...Qh6
      • 2.Se5#
    • 1...Qf3
      • 2.Se5#
    • 1...Sdb3
      • 2.Bd5#
    • 1...Sf3
      • 2.Bd5#
    • 1...Sdxe4
      • 2.Rd4#
    • 1...a5
      • 2.Qb5#
  • Keys
    • 1.Bc2!
      • threat
        • 2.Qxc5#
      • 1...Kd5
        • 2.Qxc5#
      • 1...Qxd6
        • 2.Se3#
      • 1...Qxf5
        • 2.Se3#
      • 1...Sxa4
        • 2.Se3#
      • 1...Qe3
        • 2.Sxe3#
      • 1...Qf2
        • 2.Se3#
      • 1...Qe5
        • 2.Se3#
      • 1...Qd4
        • 2.Se3#
      • 1...Sdb3
        • 2.Se5#
      • 1...Sde4
        • 2.Rd4#
      • 1...Scb3
        • 2.Se3#
      • 1...Sd3
        • 2.Se3#
      • 1...Sce4
        • 2.Qd4#
      • 1...Se6
        • 2.Se3#
      • 1...Sb7
        • 2.Se3#
      • 1...Sd7
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 13
    • REMOVED MATES = 5
  • Sets
    • Q(f);N_GUARD::S(F),XQ(f)
    • Q(f);N_GUARD::S(F)
    • S(d);::B(E)
    • S(d);OGATE,XB(E)::R1(A)
    • P(h);N_GUARD::QAB1(I)
  • Actual
    • B(E);
    • Threat
      • QAR1(I),XS(g)
    • Vars
      • K(e);P_SPINS(d),S_FLIGHT::QAR1(I),XS(g)
      • Q(f);XP(J)::R(G)+S(F),DCHECK
      • Q(f);XP(H)::R(G)+S(F),DCHECK
      • S(g);XP(D)::S(F)
      • Q(f);::R(G)+S(F),DCHECK,XQ(f)
      • Q(f);::R(G)+S(F),DCHECK
      • Q(f);::S(F)
      • S(d);::S(F)
      • S(d);OGATE::R1(A)
      • S(g);::S(F)
      • S(g);OGATE::QAR1(I)
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).