MESON Chess Problem Database

Problem Display
PID: 267630 (N2n1BK1/1n6/1bp2R2/1r1k4/1p3Q2/8/1pr2p2/2R5 w - - 0 1)

Bottacchi, Antonio

1st HM., Vita Ligure, 1918

N2n1BK1/1n6/1bp2R2/1r1k4/1p3Q2/8/1pr2p2/2R5

#2

6 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rcc5
      • 2.Rd1#
    • 1...Ra5
      • 2.Sxb6#
    • 1...Rbc5
      • 2.Sxb6#
    • 1...Be3
      • 2.Sc7#
    • 1...Bc5
      • 2.Sc7#
    • 1...Ba7
      • 2.Sc7#
    • 1...Bc7
      • 2.Sxc7#
    • 1...Sc5
      • 2.Rd6#
    • 1...Se6
      • 2.Rf5#
  • Tries
    • 1.Rd1+?
      • 1...Bd4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Rd2!
    • 1.Rd6+?
      • 1...Kc5
        • 2.Rxc2#
        • 2.Qd4#
      • 1...Sxd6!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Qd4#
      • 1...Kxc5
        • 2.Rf5#
      • 1...Rcxc5
        • 2.Rd1#
      • 1...Rbxc5
        • 2.Sxb6#
      • 1...Bxc5
        • 2.Sc7#
      • 1...Sxc5
        • 2.Rd6#
      • 1...Rd2
        • 2.Qf5#
      • 1...Rc4
        • 2.Qf5#
      • 1...Se6
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD,S_CUTB(g)::R(A)
    • R(e);N_GUARD::S(D),XB(g)
    • B(g);N_GUARD::S(D)
    • B(g);N_GUARD::S(D),XB(g)
    • S(i);N_GUARD,SBLOCK::R1(C)
    • S(j);SBLOCK::R(C)
  • Tries
    • Try
      • R(A);CHECK
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • R(C);CHECK
      • Refutation
        • S(i);XR(C)
  • Actual
    • B(E);
    • Threat
      • QAR1(B)
    • Vars
      • K(f);N_GUARD,P-FLIGHT,P_SPINR(b),XB(E)::R(C)
      • R(b);N_GUARD,SBLOCK,XB(E)::R(A)
      • R(e);N_GUARD,SBLOCK,XB(E)::S(D),XB(g)
      • B(g);N_GUARD,SBLOCK,XB(E)::S(D)
      • S(i);N_GUARD,SBLOCK,XB(E)::R1(C)
      • R(b);::QAR2(B)
      • S(j);SBLOCK::R(C)
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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).