MESON Chess Problem Database

Problem Display
PID: 110462 (7q/1pQB4/8/r2kpb1R/p7/3P3n/2R1N3/5K2 w - - 0 1)

Simadhinata, Januarta (Siem Giok Liam)

Dunaujvarosi Hirlap, 1962-1964

7q/1pQB4/8/r2kpb1R/p7/3P3n/2R1N3/5K2

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Rxc5#
      • 2.Qxc5#
    • 1...Ra6
      • 2.Rc5#
      • 2.Qc5#
    • 1...Ra7
      • 2.Rc5#
      • 2.Qc5#
    • 1...Ra8
      • 2.Rc5#
      • 2.Qc5#
    • 1...Bxd7
      • 2.Qxd7#
    • 1...b5
      • 2.Rc5#
      • 2.Qc5#
      • 2.Qc6#
    • 1...b6
      • 2.Qc6#
  • Tries
    • 1.Bc6+?
      • 1...bxc6
        • 2.Qxc6#
      • 1...Ke6!
    • 1.Qb6?
      • threat
        • 2.Sc3#
      • 1...Bxd3
        • 2.Qd4#
      • 1...e4
        • 2.Qe6#
      • 1...Rc5
        • 2.Rxc5#
        • 2.Qxc5#
      • 1...Qc8!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Sc3#
      • 1...Bxd3
        • 2.Rd4#
      • 1...Bxd7
        • 2.Qxd7#
      • 1...e4
        • 2.dxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);OGATE,P_SPINP(e),XB(G)::QAR2(F),XB(f)
    • P(g);N_GUARD::QAB1(F)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • P(g);OGATE,XB(G)::QAB1(F),XP(g)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • S(C)
      • Vars
        • B(f);P_PINS(C),P_SPINP(e),XP(D)::QAR1(F)
        • P(e);P_SPINB(f)::QAB1(F)
      • Refutation
        • Q(h);
  • Actual
    • R(B);
    • Threat
      • S(C)
    • Vars
      • B(f);P_PINS(C),P_SPINP(e),XP(D)::R1(B)
      • B(f);OGATE,P_SPINP(e),XB(G)::QAR2(F),XB(f)
      • P(e);OGATE,P_SPINB(f)::P(D),XP(e)
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).