MESON Chess Problem Database

Problem Display
PID: 243569 (3R4/8/Np1pp2B/1Q2P3/3bk1K1/2P3P1/1P2Np2/4R3 w - - 0 1)

Dimitrov, Nikolai

Revista Romana de Sah, 1962

3R4/8/Np1pp2B/1Q2P3/3bk1K1/2P3P1/1P2Np2/4R3

#2

11 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4?
      • threat
        • 2.Qxd4#
      • 1...Kxe5
        • 2.Qxd4#
      • 1...dxe5!
    • 1.Qc6+?
      • 1...Kd3
        • 2.Sb4#
      • 1...Kxe5
        • 2.Bg7#
      • 1...d5!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qxd4#
      • 1...Kd3
        • 2.Sc1#
      • 1...Kd5
        • 2.Sf4#
      • 1...Kxe5
        • 2.Qxd4#
      • 1...dxe5
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);P_PINB(b)
      • Threat
        • QAR1(G),XB(b)
      • Vars
        • K(c);N_SPINB(b),P-FLIGHT,XP(H)::QAB1(G),XB(b)
      • Refutation
        • P(e);XP(H)
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);S_FLIGHT::S(I)
        • K(c);P-FLIGHT,XP(H)::B(J)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • Q(G);P_PINB(b)
    • Threat
      • QAR1(G),XB(b)
    • Vars
      • K(c);N_SPINB(b),S_FLIGHT::S(C)
      • K(c);N_SPINB(b),P_SPINP(e),S_FLIGHT::S(C)
      • K(c);N_SPINB(b),P-FLIGHT,XP(H)::QAB1(G),XB(b)
      • P(e);SBLOCK,XP(H)::QAB(G)
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).