MESON Chess Problem Database

Problem Display
PID: 158111 (q1R5/p3n3/1p6/1Q3P2/4kP2/4P3/2R4N/2B4K w - - 0 1)

Antonov, Yuri Mikhailovich

Volgogradskaya Pravda, 1978

q1R5/p3n3/1p6/1Q3P2/4kP2/4P3/2R4N/2B4K

#2

9 + 5

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.R2c3?
      • threat
        • 2.R8c4#
        • 2.Qd3#
        • 2.Qe5#
      • 1...Qxc8
        • 2.Qd3#
        • 2.Qe5#
      • 1...Sxf5
        • 2.Qd3#
        • 2.Qe5#
      • 1...Sxc8
        • 2.Qd3#
        • 2.Qe5#
      • 1...Sd5
        • 2.Qd3#
        • 2.Qb1#
      • 1...Qc6
        • 2.Qd3#
        • 2.Qe5#
      • 1...Qb8
        • 2.R8c4#
        • 2.Qd3#
      • 1...Sc6
        • 2.Qd3#
      • 1...Sg6
        • 2.R8c4#
        • 2.Qd3#
      • 1...Qd5!
    • 1.R8c3?
      • threat
        • 2.Qd3#
        • 2.Qe5#
      • 1...Sd5
        • 2.Qd3#
      • 1...Qb8
        • 2.Qd3#
      • 1...Qd8
        • 2.Qe5#
      • 1...Qh8
        • 2.Qd3#
      • 1...Sc6
        • 2.Qd3#
      • 1...Sg6
        • 2.Qd3#
      • 1...Qd5!
  • Keys
    • 1.Qb1!
      • threat
        • 2.R2c5#
      • 1...Kd3+
        • 2.Rg2#
      • 1...Kxf5+
        • 2.R2c6#
      • 1...Kd5
        • 2.Rd2#
      • 1...Qd5
        • 2.R2c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(3)
      • Vars
        • S(d);::QAB1(G)
      • Refutation
        • Q(e);
    • Try
      • R(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);::QAB1(G)
        • Q(e);::QAB1(G)
        • Q(e);::QAR1(G)
        • Q(e);P_PINS(D)::QAB1(G)
      • Refutation
        • Q(e);
  • Actual
    • Q(G);
    • Threat
      • QAB(G)+R(C)
    • Vars
      • K(a);CHECK,S_FLIGHT::QAB(G)+R(C)
      • K(a);CHECK,S_FLIGHT,XP(H)::QAB(G)+R(C)
      • K(a);S_FLIGHT::R(C)
      • Q(e);SBLOCK::QAB(G)+R(C),DCHECK
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).