MESON Chess Problem Database

Problem Display
PID: 74894 (2RKR3/rp3p2/3k4/1P2p3/2p1P3/1pr2p1B/1bpN4/4B3 w - - 0 1)

Golha, Jan

Szachy, 1975

2RKR3/rp3p2/3k4/1P2p3/2p1P3/1pr2p1B/1bpN4/4B3

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Sxc4#
    • 1...Re3
      • 2.Sxc4#
    • 1...b6
      • 2.Rc6#
    • 1...f6
      • 2.Re6#
  • Tries
    • 1.Bf2?
      • threat
        • 2.Bc5#
      • 1...Re3
        • 2.Sxc4#
      • 1...b6
        • 2.Rc6#
      • 1...Ba3!
    • 1.Bh4?
      • threat
        • 2.Be7#
      • 1...b6
        • 2.Rc6#
      • 1...f6
        • 2.Re6#
      • 1...f5!
    • 1.Re7?
      • threat
        • 2.Rd7#
      • 1...b6
        • 2.Rc6#
      • 1...f5!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Bxe5#
      • 1...Rd3
        • 2.Sxc4#
      • 1...Re3
        • 2.Sxc4#
      • 1...f6
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::S(B),XP(f)
    • P(j);N_GUARD::R1(F)
    • P(k);N_GUARD::R1(H)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • R(d);N_GUARD::S(B),XP(f)
        • P(j);N_GUARD::R1(F)
      • Refutation
        • B(a);
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • P(j);N_GUARD::R1(F)
        • P(k);N_GUARD::R1(H)
      • Refutation
        • P(k);
    • Try
      • R(H);
      • Threat
        • R1(H)
      • Vars
        • P(j);N_GUARD::R1(F)
      • Refutation
        • P(k);
  • Actual
    • B(A);P_PINP(g)
    • Threat
      • B(A),XP(g)
    • Vars
      • R(d);N_GUARD::S(B),XP(f)
      • P(k);N_GUARD::R1(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).