MESON Chess Problem Database

Problem Display
PID: 172239 (1K3Q2/8/kp6/1p6/1R6/8/8/3b4 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1996

1K3Q2/8/kp6/1p6/1R6/8/8/3b4

#2

3 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qxb5#
      • 1...Ka5
        • 2.Qxb5#
      • 1...Be2
        • 2.Qa1#
      • 1...Ba4
        • 2.Rxa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);P_PINP(b)
    • Threat
      • QAB1(C),XP(b)
    • Vars
      • K(c);N_SPINP(b),P-FLIGHT::QAR1(C),XP(b)
      • B(a);N_SPINP(b),OGATE::QAR(C)
      • B(a);N_GUARD::R(A),XB(a)
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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).