MESON Chess Problem Database

Problem Display
PID: 260852 (2Q5/1N3n2/b7/7K/3kP3/1nR2P2/7B/1r6 w - - 0 1)

de Barbieri, Vittorio

L'Eco degli Scacchi, 1914

2Q5/1N3n2/b7/7K/3kP3/1nR2P2/7B/1r6

#2

7 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Qxc4#
    • 1...Bxb7
      • 2.Qc4#
    • 1...Sa1
      • 2.Qc5#
    • 1...Sc1
      • 2.Qc5#
    • 1...Sd2
      • 2.Qc5#
    • 1...Sa5
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Sg5
      • 2.Qh8#
    • 1...Sd6
      • 2.Qh8#
    • 1...Sh6
      • 2.Qh8#
    • 1...Sh8
      • 2.Qxh8#
  • Tries
    • 1.Bg1+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Rxg1!
    • 1.Qd7+?
      • 1...Sd6
        • 2.Qg7#
      • 1...Kxc3!
    • 1.Qh8+?
      • 1...Se5
        • 2.Bxe5#
        • 2.Qxe5#
      • 1...Sxh8!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sf5#
      • 1...Bxc8
        • 2.Sb5#
      • 1...Sxd6
        • 2.Qh8#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sh6
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(d);N_GUARD::QAR1(G),XB(d)
    • B(d);N_GUARD,XS(F)::QAR1(G)
    • S(b);N_GUARD::QAB1(G)
    • S(b);N_GUARD::QAB1(G),XS(b)
    • S(e);N_GUARD::QAB(G)
    • S(e);N_GUARD::QAB(G),XS(e)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(c);N_GUARD,S_CUTR(a),S_FLIGHT::QAR1(G)
      • Refutation
        • R(a);XB(A)
    • Try
      • Q(G);CHECK
      • Vars
        • S(e);OGATE,P_SPINS(e)::QAB(G)
      • Refutation
        • K(c);S_FLIGHT,XR(B)
    • Try
      • Q(G);CHECK
      • Refutation
        • S(e);XQ(G)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • B(d);N_GUARD,XQ(G)::S(F)
      • S(e);N_GUARD,XS(F)::QAB(G)
      • B(d);N_GUARD::QAR1(G),XB(d)
      • S(b);N_GUARD::QAB1(G),XS(b)
      • S(e);N_GUARD::QAB(G)
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).