MESON Chess Problem Database

Problem Display
PID: 19134 (8/8/8/3Q3P/5R1B/KR2p1q1/3P1N2/3Bk3 w - - 0 1)

Loshinski, Lev Ilich

Umnov, Evgeny Ivanovich

3rd Prize, Krasnogo sportinterna, 1931

8/8/8/3Q3P/5R1B/KR2p1q1/3P1N2/3Bk3

#2

9 + 3

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Keys
    • 1.Rb1!
      • threat
        • 2.Bg4#
      • 1...exd2+
        • 2.Sd3#
      • 1...exf2+
        • 2.Bf3#
      • 1...e2+
        • 2.Bb3#
      • 1...Kf1
        • 2.Bg4#
      • 1...Qf3
        • 2.Bxf3#
      • 1...Qg4
        • 2.Sxg4#
        • 2.Bf3#
        • 2.Bxg4#
      • 1...Qg6
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(E);
    • Threat
      • R(E)+B(A)
    • Vars
      • P(b);CHECK,SBLOCK,XP(B)::S(C)
      • P(b);CHECK,SBLOCK,XS(C)::R(E)+B(A)
      • P(b);CHECK,SBLOCK::R(E)+B(A)
      • K(a);P-FLIGHT::R(E)+B(A)
      • Q(c);::R(E)+B(A),XQ(c)
      • Q(c);::B(G)+S(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).