MESON Chess Problem Database

Problem Display
PID: 225594 (1Bb2b2/5pp1/3p4/1R4P1/R1P2k1N/K2P1p2/8/6Q1 w - - 0 1)

Linder, Jozef

3rd Comm., Praca, 1948

1Bb2b2/5pp1/3p4/1R4P1/R1P2k1N/K2P1p2/8/6Q1

#2

9 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Rxf5#
    • 1...Ba6
      • 2.Rf5#
    • 1...Bb7
      • 2.Rf5#
    • 1...f5
      • 2.Sg6#
    • 1...f6
      • 2.Sg6#
  • Keys
    • 1.Re5!
      • threat
        • 2.Re4#
      • 1...dxe5+
        • 2.c5#
      • 1...d5+
        • 2.Re7#
      • 1...Kxe5
        • 2.Qe3#
      • 1...Bg4
        • 2.Qh2#
      • 1...Bf5
        • 2.Rxf5#
      • 1...Bb7
        • 2.Rf5#
      • 1...f5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::R1(G),XB(f)
    • B(f);N_GUARD::R1(G)
    • P(d);N_GUARD::S(F)
  • Actual
    • R(G);N_PINP(c)
    • Threat
      • R1(G)
    • Vars
      • P(c);CHECK,P_SPINP(c),XR(G)::R(D)+P(E)
      • P(c);CHECK,OGATEB::B(I)+R(G)
      • K(b);P_SPINP(c),S_FLIGHT,XR(G)::QAR2(A)
      • B(f);SBLOCK::QAB(A)
      • B(f);N_GUARD::R1(G),XB(f)
      • B(f);N_GUARD::R1(G)
      • P(d);N_GUARD::S(F)
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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).