MESON Chess Problem Database

Problem Display
PID: 9842 (6K1/6pB/P3P1r1/1N1kn3/4R1N1/2n1BQ2/2R1P3/8 w - - 0 1)

Tikkanen, Tapani

1st Prize, Banska Bystrica (BABY), 1960

6K1/6pB/P3P1r1/1N1kn3/4R1N1/2n1BQ2/2R1P3/8

#2

11 + 5

3749 FIDE Album (1959-1961) 1966
5862 An ABC of Chess Problems 1970
117 Suomen Shakki 1985
422 Suomen Tehtavaniekat 1991
4640 Chess Wizardry: The New ABC of Chess Problems 1996
14475 Mat Plus Review 2007
5454 Near Snap 2007
56 The Problemist 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Rxe5#
    • 1...Kxe6
      • 2.Qf7#
    • 1...Sb1
      • 2.Rxe5#
    • 1...Sd1
      • 2.Rxe5#
    • 1...Sa2
      • 2.Rxe5#
    • 1...Sxe2
      • 2.Rxe5#
    • 1...Sa4
      • 2.Rxe5#
    • 1...Sc4
      • 2.Re5#
  • Keys
    • 1.Qf8!
      • 1...Kxe4
        • 2.Sxc3#
      • 1...Kc6
        • 2.Qc5#
      • 1...Kxe6
        • 2.Qf7#
      • 1...Rxg4
        • 2.Qd6#
      • 1...Rxe6
        • 2.Qc5#
      • 1...Sxe2
        • 2.Rxe5#
      • 1...Sxe4
        • 2.Sc7#
      • 1...Sxb5
        • 2.Rxe5#
      • 1...Sxg4
        • 2.Qa8#
      • 1...Rg5
        • 2.Qd6#
      • 1...Rf6
        • 2.Qd6#
      • 1...Rh6
        • 2.Qd6#
      • 1...Sb1
        • 2.Rxe5#
      • 1...Sd1
        • 2.Rxe5#
      • 1...Sa2
        • 2.Rxe5#
      • 1...Sa4
        • 2.Rxe5#
      • 1...Sd3
        • 2.Qa8#
      • 1...Sf3
        • 2.Qa8#
      • 1...Sc4
        • 2.Qa8#
      • 1...Sc6
        • 2.Sxc3#
      • 1...Sd7
        • 2.Qa8#
      • 1...Sf7
        • 2.Qa8#

This anticipates 15299(1982)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINS(a),S_FLIGHT::QAB(D)+R(E),XS(c)
    • K(b);OGATEB,P_SPINS(c),S_FLIGHT,XP(I)::QAB1(D)
    • S(a);::QAB(D)+R(E),DCHECK,XS(c)
    • S(a);XP(B)::QAB(D)+R(E),DCHECK,XS(c)
    • S(c);SBLOCK::QAB(D)+R(E),DCHECK
  • Actual
    • Q(D);
    • Vars
      • K(b);P_SPINR(d),S_FLIGHT,XR(E)::S(G),XS(a)
      • K(b);P_SPINS(a),S_FLIGHT::QAR1(D)
      • K(b);OGATEB,P_SPINS(c),S_FLIGHT,XP(I)::QAB1(D)
      • R(d);XS(F)::QAR1(D)
      • R(d);SBLOCK,XP(I)::QAR1(D)
      • S(a);XP(B)::R1(E),XS(c)
      • S(a);SBLOCK,XR(E)::S(G)
      • S(a);XS(G)::R1(E),XS(c)
      • S(c);N_GUARD,XS(F)::QAB(D)
      • R(d);::QAR1(D)
      • S(a);::R1(E),XS(c)
      • S(c);N_GUARD::QAB(D)
      • S(c);SBLOCK::S(G),XS(a)
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).