MESON Chess Problem Database

Problem Display
PID: 268184 (8/Q3p1B1/2K3p1/1pp1r2r/1pNkn2p/1P1n4/6Rb/1N1R3B w - - 0 1)

Turoverov, Valentin Alekseevich

Probleemblad, 1985

8/Q3p1B1/2K3p1/1pp1r2r/1pNkn2p/1P1n4/6Rb/1N1R3B

#2

9 + 12

SOLUTION

  • SOUND
  • Tries
    • 1.Rgd2?
      • threat
        • 2.Rxd3#
      • 1...Sxd2
        • 2.Qd7#
      • 1...Sf2
        • 2.Qxc5#
        • 2.Qa1#
        • 2.Qd7#
      • 1...bxc4!
    • 1.Rg4?
      • threat
        • 2.Rxe4#
        • 2.Qxc5#
        • 2.Qa1#
        • 2.Qd7#
      • 1...bxc4
        • 2.Rxe4#
        • 2.Qxc5#
      • 1...Bf4!
  • Keys
    • 1.Re2!
      • threat
        • 2.Rxe4#
      • 1...Sd2
        • 2.Qd7#
      • 1...Sf2
        • 2.Qxc5#
        • 2.Qa1#
        • 2.Qd7#
      • 1...Sc3
        • 2.Qxc5#
      • 1...Sg3
        • 2.Qxc5#
        • 2.Qa1#
        • 2.Qd7#
      • 1...Sg5
        • 2.Qxc5#
        • 2.Qa1#
        • 2.Qd7#
      • 1...Sd6
        • 2.Qxc5#
        • 2.Qa1#
      • 1...Sf6
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • R1(D),XS(b)
      • Vars
        • S(e);N_GUARD,N_SPINS(b),XR(D)::QAR(H)
      • Refutation
        • P(g);XS(F)
    • Try
      • R(D);
      • Threat
        • DUALS(4)
      • Refutation
        • B(a);
  • Actual
    • R(D);
    • Threat
      • R1(D),XS(e)
    • Vars
      • S(e);N_GUARD,N_SPINS(b)::QAR(H)
      • S(e);N_GUARD::QAB1(H),XP(h)
      • S(e);N_GUARD,N_SPINR(i)::QAB(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).