MESON Chess Problem Database

Problem Display
PID: 250521 (8/8/8/2b1r3/8/1K1Q3R/8/4k1B1 w - - 0 1)

Golubenko, Vladimir Aleksandrovich

Schweizerische Schachzeitung, 2003

8/8/8/2b1r3/8/1K1Q3R/8/4k1B1

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qf1+?
      • 1...Kd2
        • 2.Rd3#
      • 1...Kxf1!
  • Keys
    • 1.Rh2!
      • threat
        • 2.Qb1#
      • 1...Re2
        • 2.Qxe2#
      • 1...Re3
        • 2.Bf2#
      • 1...Rd5
        • 2.Qe2#
      • 1...Bf2
        • 2.Bxf2#
      • 1...Ba3
        • 2.Bf2#
      • 1...Be3
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::R1(D)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • R(D);
    • Threat
      • QAR(C)
    • Vars
      • R(c);N_GUARD::QAR1(C),XR(c)
      • R(c);P_PINQ(C),S_CUTB(b)::B(A)
      • R(c);N_GUARD::QAR1(C)
      • B(b);N_GUARD::B(A),XB(b)
      • B(b);N_GUARD::B(A)
      • B(b);S_CUTR(c)::QAR1(C)
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).