MESON Chess Problem Database

Problem Display
PID: 205737 (B4Q2/2pn4/4pb2/6R1/1P1k2P1/6P1/2KN4/8 w - - 0 1)

Klomom, W

Arbeiter Schachzeitung, 1925

B4Q2/2pn4/4pb2/6R1/1P1k2P1/6P1/2KN4/8

#2

8 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Qf2#
    • 1...Be7
      • 2.Qf2#
      • 2.Qf4#
    • 1...Bg7
      • 2.Qf2#
      • 2.Qf4#
    • 1...Bd8
      • 2.Qf2#
      • 2.Qf4#
    • 1...Bh8
      • 2.Qf2#
      • 2.Qf4#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Se5
      • 2.Qc5#
    • 1...Sb6
      • 2.Qc5#
    • 1...Sb8
      • 2.Qc5#
  • Keys
    • 1.Re5!
      • threat
        • 2.Re4#
      • 1...Kxe5
        • 2.Sf3#
      • 1...Bxe5
        • 2.Qf2#
      • 1...Sxe5
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...c6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(c);OGATE::QAB(H)
    • S(e);N_GUARD::QAB1(H),XS(e)
    • S(e);N_GUARD::QAB1(H)
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(a);S_FLIGHT,XR(F)::S(B)
      • B(c);OGATE,SBLOCK,XR(F)::QAB(H)
      • S(e);N_GUARD,XR(F)::QAB1(H)
      • S(e);N_GUARD::QAB1(H),XS(e)
      • P(d);N_GUARD::QAR2(H)
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).