MESON Chess Problem Database

Problem Display
PID: 267573 (1N1BB3/1b6/2P4p/1pk3bR/2n2Q2/2P5/N1n5/2KR4 w - - 0 1)

Bottacchi, Antonio

1st HM., L'Italia Scacchistica, 1918

1N1BB3/1b6/2P4p/1pk3bR/2n2Q2/2P5/N1n5/2KR4

#2

10 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Sxa6#
    • 1...Bxc6
      • 2.Sa6#
    • 1...Ba8
      • 2.Sa6#
    • 1...S2e3
      • 2.Qd4#
    • 1...Sb4
      • 2.cxb4#
    • 1...Sb6
      • 2.Be7#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sd7#
        • 2.Rd5#
      • 1...Bxc6
        • 2.S4a6#
        • 2.S8a6#
      • 1...Bc8
        • 2.Rd5#
      • 1...S2e3
        • 2.Sd7#
        • 2.Qd4#
      • 1...Sd4
        • 2.Sd7#
      • 1...Sd2
        • 2.Sd7#
      • 1...S4e3
        • 2.Sd7#
      • 1...Se5
        • 2.Rd5#
      • 1...Sb6
        • 2.Be7#
      • 1...Sxb4!
    • 1.Rxg5+?
      • 1...Se5
        • 2.Rxe5#
      • 1...hxg5!
  • Keys
    • 1.Bf7!
      • threat
        • 2.Rd5#
      • 1...Bxc6
        • 2.Sa6#
      • 1...S2e3
        • 2.Qd4#
      • 1...Sb4
        • 2.cxb4#
      • 1...Sd4
        • 2.cxd4#
      • 1...Sd2
        • 2.Qe5#
      • 1...S4e3
        • 2.Qd6#
      • 1...Sb6
        • 2.Be7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(g);N_GUARD::S(H),XB(g)
    • B(g);N_GUARD,XP(G)::S(H)
    • B(g);N_GUARD::S(H)
    • S(a);N_PINQ(E)::QAB1(E)
    • S(a);OGATE::P(D),XS(a)
    • S(b);N_GUARD,SBLOCK::B(I)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);::R1(B)
        • S(a);::S(H)
        • S(b);N_PINQ(E)::S(H)
        • S(b);N_SPINB(e)::R1(B)
        • S(b);N_GUARD,SBLOCK::B(I)
      • Refutation
        • S(a);XS(C)
    • Try
      • R(F);CHECK,N_SPINQ(E),XB(e)
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::R(F),XS(b)
      • Refutation
        • P(f);XR(F)
  • Actual
    • B(J);
    • Threat
      • R1(B)
    • Vars
      • B(g);N_GUARD,SBLOCK,XP(G)::S(H)
      • S(a);N_PINQ(E)::QAB1(E)
      • S(a);OGATE::P(D),XS(a)
      • S(b);N_PINQ(E)::QAR2(E)
      • S(b);N_PINQ(E)::QAB1(E)
      • S(b);N_GUARD,SBLOCK::B(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).