MESON Chess Problem Database

Problem Display
PID: 112450 (K7/NQNpPb2/p3q3/P7/r1kPpp2/BR6/2PR4/8 w - - 0 1)

Taraba, Jozef

2nd HM., CSTV Hodonin III.CS, 1965

K7/NQNpPb2/p3q3/P7/r1kPpp2/BR6/2PR4/8

#2

11 + 8

14580 Chess Compositions (Taraba) 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Qxa6#
    • 1...Qg4
      • 2.Qxa6#
    • 1...Qxe7
      • 2.Qxa6#
    • 1...Rxa3
      • 2.Qb4#
    • 1...Rb4
      • 2.Qxb4#
    • 1...Rxa5
      • 2.Qb4#
    • 1...d6
      • 2.Qxa6#
      • 2.Qc6#
  • Tries
    • 1.Scb5?
      • threat
        • 2.Rc3#
      • 1...Rxa3
        • 2.Sxa3#
      • 1...axb5
        • 2.Qxb5#
      • 1...Qh3
        • 2.Sd6#
      • 1...Qc6!
    • 1.Bb2?
      • threat
        • 2.Rc3#
      • 1...Qh3
        • 2.Qxa6#
      • 1...Ra3
        • 2.Rb4#
        • 2.Qb4#
      • 1...Qb6!
    • 1.Rdd3?
      • threat
        • 2.Rbc3#
      • 1...Rxa3
        • 2.Rb4#
        • 2.Qb4#
      • 1...exd3!
    • 1.Rb4+?
      • 1...Rxb4
        • 2.Qxb4#
      • 1...Kc3!
  • Keys
    • 1.Sab5!
      • threat
        • 2.Rc3#
      • 1...Rxa3
        • 2.Sxa3#
      • 1...axb5
        • 2.Qxb5#
      • 1...Qh3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(f);N_GUARD::QAB(H),XP(e)
    • Q(f);N_GUARD,XP(J)::QAB(H),XP(e)
    • R(a);N_GUARD,XB(C)::QAR1(H)
    • R(a);N_GUARD::QAR1(H),XR(a)
    • R(a);N_GUARD,XP(F)::QAR1(H)
  • Tries
    • Try
      • S(I);
      • Threat
        • R1(D)
      • Vars
        • R(a);XB(C)::S(I),XR(a)
        • P(e);OGATE,XS(I)::QAB1(H),XP(e)
        • Q(f);N_GUARD::S(I)
      • Refutation
        • Q(f);P_PINQ(H)
    • Try
      • B(C);
      • Threat
        • R1(D)
      • Vars
        • Q(f);N_GUARD::QAB(H),XP(e)
      • Refutation
        • Q(f);
    • Try
      • R(B);
      • Threat
        • R1(D)
      • Refutation
        • P(c);XR(B)
    • Try
      • R(D);CHECK
      • Vars
        • R(a);OGATE,XR(D)::QAR1(H),XR(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(G);
    • Threat
      • R1(D)
    • Vars
      • R(a);XB(C)::S(G),XR(a)
      • P(e);OGATE,P_PINP(F),XS(G)::QAB1(H),XP(e)
      • Q(f);N_GUARD::S(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).