MESON Chess Problem Database

Problem Display
PID: 263302 (8/3r4/b4p2/r1Q2p2/2BNkBp1/p5K1/8/b3N3 w - - 0 1)

Rosolak, Wladislaw

Szachy, 1954

8/3r4/b4p2/r1Q2p2/2BNkBp1/p5K1/8/b3N3

#2

6 + 9

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rb5
      • 2.Bd3#
    • 1...Rd5
      • 2.Bxd5#
    • 1...Ra7
      • 2.Bd5#
    • 1...Rb7
      • 2.Bd5#
    • 1...Rc7
      • 2.Bd5#
    • 1...Re7
      • 2.Bd5#
    • 1...Rf7
      • 2.Bd5#
    • 1...Rg7
      • 2.Bd5#
    • 1...Rh7
      • 2.Bd5#
    • 1...Bb7
      • 2.Bd3#
    • 1...Bc8
      • 2.Bd3#
  • Tries
    • 1.Be6?
      • threat
        • 2.Bxf5#
      • 1...Rd5
        • 2.Bxd5#
      • 1...Rxc5!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qe3#
      • 1...Rd3+
        • 2.Bxd3#
      • 1...Rd4
        • 2.Qe7#
      • 1...Bd4
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 11
  • Sets
    • R(e);S_CUTB(g)::B(C)
    • R(i);N_GUARD::B(C),XR(i)
    • R(i);N_GUARD::B(C)
    • B(g);N_GUARD::B(C)
  • Tries
    • Try
      • B(C);
      • Threat
        • B(C),XP(f)
      • Vars
        • R(i);N_GUARD::B(C),XR(i)
      • Refutation
        • R(e);XQ(F)
  • Actual
    • S(D);
    • Threat
      • QAR1(F)
    • Vars
      • R(i);CHECK,N_GUARD::B(C),XR(i)
      • R(i);N_GUARD,S_CUTB(a)::QAR(F)
      • B(a);S_CUTR(i)::B(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).