MESON Chess Problem Database

Problem Display
PID: 221705 (6RB/5N2/4p3/1p2Nn1p/2nk3P/P2p4/3P1K2/2R4B w - - 0 1)

Bylevski, Aleksandr

Sachova skladba, 1988

6RB/5N2/4p3/1p2Nn1p/2nk3P/P2p4/3P1K2/2R4B

#2

10 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sd7#
    • 1...Sb2
      • 2.Sc6#
    • 1...Sxd2
      • 2.Sc6#
    • 1...Sxa3
      • 2.Sc6#
    • 1...Sce3
      • 2.Sc6#
    • 1...Sa5
      • 2.Sc6#
    • 1...Sxe5
      • 2.Bxe5#
    • 1...Sb6
      • 2.Sc6#
    • 1...Scd6
      • 2.Sc6#
    • 1...b4
      • 2.Rxc4#
  • Tries
    • 1.Rg4+?
      • 1...Kc5
        • 2.Sd7#
      • 1...hxg4!
    • 1.Rd8+?
      • 1...Kc5
        • 2.Sd7#
      • 1...Scd6
        • 2.Sc6#
      • 1...Sfd6!
  • Keys
    • 1.Rg5!
      • 1...Kc5
        • 2.Sd7#
      • 1...Sxd2
        • 2.Sc6#
      • 1...Sxa3
        • 2.Sc6#
      • 1...Sxe5
        • 2.Bxe5#
      • 1...Sxh4
        • 2.Sc6#
      • 1...Sg7
        • 2.Sc6#
      • 1...Sb2
        • 2.Sc6#
      • 1...Sce3
        • 2.Sc6#
      • 1...Sa5
        • 2.Sc6#
      • 1...Sb6
        • 2.Sc6#
      • 1...Scd6
        • 2.Sc6#
      • 1...Sfe3
        • 2.Sc6#
      • 1...Sg3
        • 2.Sc6#
      • 1...Sfd6
        • 2.Sc6#
      • 1...Sh6
        • 2.Sc6#
      • 1...Se7
        • 2.Sc6#
      • 1...b4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINS(b),S_FLIGHT::S(G)
    • S(b);::B(J)+S(G),DCHECK
    • S(b);XP(C)::B(J)+S(G),DCHECK
    • S(b);XP(E)::B(J)+S(G),DCHECK
    • S(b);OGATE,P_SPINS(b),XS(G)::B(J),XS(b)
    • P(d);N_GUARD::R1(A),XS(b)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(c);P_SPINS(b),S_FLIGHT::S(G)
      • Refutation
        • P(f);XR(I)
    • Try
      • R(I);CHECK
      • Vars
        • K(c);P_SPINS(b),S_FLIGHT::S(G)
        • S(b);P_SPINS(b)::B(J)+S(G),DCHECK
      • Refutation
        • S(e);P_SPINS(e)
  • Actual
    • R(I);
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::S(G)
      • S(b);XP(C)::B(J)+S(G),DCHECK
      • S(b);XP(E)::B(J)+S(G),DCHECK
      • S(b);OGATE,P_SPINS(b),XS(G)::B(J),XS(b)
      • S(e);XP(F)::B(J)+S(G),DCHECK
      • S(e);::S(G)
      • S(b);::B(J)+S(G),DCHECK
      • S(e);::B(J)+S(G),DCHECK
      • P(d);N_GUARD::R1(A),XS(b)
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).