Problem Display
PID: 60751 (1nQB2nK/3r2R1/3p2N1/3B1P1p/5Nkp/2R4b/3ppppr/3q4 w - - 0 1)

Touw Hian Bwee

2nd Prize, Banyai MT, 1968-1969

1nQB2nK/3r2R1/3p2N1/3B1P1p/5Nkp/2R4b/3ppppr/3q4

#2

9 + 14


3751 FIDE Album (1968-1970) 1977
6352 A Collection of Chess Problems by Touw Hian Bwee 2008

SOLUTION


  • SOUND
  • Tries
    • 1.Bf3+?
      • 1...Kg3
        • 2.Sxh5#
        • 2.Bxe2#
        • 2.Bxh5#
        • 2.Bxh4#
      • 1...Kxf5!
    • 1.Rc4?
      • threat
        • 2.Se7#
      • 1...Kg3
        • 2.Sxh5#
      • 1...Kxf5
        • 2.Be6#
      • 1...Rxg7
        • 2.Sxe2#
      • 1...Se7
        • 2.Sxe7#
      • 1...Re7
        • 2.Se5#
        • 2.Sxe7#
      • 1...Rf7
        • 2.Sxe2#
        • 2.Se5#
      • 1...Qa1!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Se7#
      • 1...Kg3
        • 2.Sde5#
      • 1...Kxf5
        • 2.Sxh4#
      • 1...Rxg7
        • 2.Sxf2#
      • 1...Se7
        • 2.Sxe7#
      • 1...Re7
        • 2.Sge5#
        • 2.Sxe7#
      • 1...Rf7
        • 2.Sxf2#
        • 2.Sge5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(h);P_SPINR(l),S_FLIGHT,XP(D)
    • Try
      • R(A);
      • Threat
        • R(F)+S(E)
      • Vars
        • K(h);P-FLIGHT::S(B),XP(j)
        • K(h);OGATEB,P_SPINR(l),S_FLIGHT,XP(D)::B(C)
        • R(l);XR(F)::R(A)+S(B),XP(c)
        • S(n);::R(F)+S(E),XS(n)
      • Refutation
        • Q(a);P_PINR(F)
  • Actual
    • S(B);
    • Threat
      • R(F)+S(E)
    • Vars
      • K(h);P-FLIGHT::R(A)+S(B)
      • K(h);P_SPINR(l),S_FLIGHT,XP(D)::S(E),XP(i)
      • R(l);XR(F)::S(B),XP(d)
      • S(n);::R(F)+S(E),XS(n)


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).