MESON Chess Problem Database

Problem Display
PID: 263820 (3b4/1b5N/B3p1p1/3R3r/2p1kP2/4N1P1/4K1p1/6B1 w - - 0 1)

Anonymous

Tijdschrift vd NSB, 1894

3b4/1b5N/B3p1p1/3R3r/2p1kP2/4N1P1/4K1p1/6B1

#2

8 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Sf6#
    • 1...Bb6
      • 2.Sf6#
    • 1...Bf6
      • 2.Sxf6#
    • 1...Bc7
      • 2.Sf6#
    • 1...c3
      • 2.Bd3#
  • Tries
    • 1.Re5+?
      • 1...Kd4
        • 2.Sd1#
        • 2.Sd5#
      • 1...Rxe5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Re5#
      • 1...Kxd5
        • 2.Bxb7#
      • 1...Rxf5
        • 2.Rd4#
      • 1...Bxd5
        • 2.Sd6#
      • 1...exd5
        • 2.Sd6#
      • 1...e5
        • 2.Rxe5#
      • 1...Bf6
        • 2.Sxf6#
      • 1...Bc7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • B(h);N_GUARD::S(H)
    • B(h);N_GUARD::S(H),XB(h)
    • P(b);OGATE::B(G)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • R(d);XR(F)
  • Actual
    • S(C);
    • Threat
      • R1(F)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(F)::B(G),XB(g)
      • R(d);SBLOCK,XS(C)::R1(F)
      • B(g);SBLOCK,XR(F)::S(C)
      • P(e);SBLOCK,XR(F)::S(C)
      • P(e);::R1(F),XP(e)
      • B(h);N_GUARD::S(H),XB(h)
      • B(h);N_GUARD::S(H)
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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).