MESON Chess Problem Database

Problem Display
PID: 60014 (6b1/8/Kp3nq1/NR5B/3NRp2/1p1k3r/4p1n1/2Q3B1 w - - 0 1)

Touw Hian Bwee

3rd Prize, Europe Echecs, 1969

6b1/8/Kp3nq1/NR5B/3NRp2/1p1k3r/4p1n1/2Q3B1

#2

8 + 10

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

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Bxg6#
    • 1...Sxe4
      • 2.Bxe2#
    • 1...b2
      • 2.Qc2#
  • Tries
    • 1.Qd2+?
      • 1...Kxe4
        • 2.Bxg6#
      • 1...Kxd2!
    • 1.Qc3+?
      • 1...Kxe4
        • 2.Bxg6#
      • 1...Kxc3!
  • Keys
    • 1.Se6!
      • threat
        • 2.Rd4#
      • 1...Kxe4
        • 2.Qc4#
      • 1...Qxe4
        • 2.Rxb3#
      • 1...Sxe4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(d);OGATEB,S_FLIGHT,XR(D)::B(G),XQ(i)
    • S(h);SBLOCK,XR(D)::B(G),XP(a)
    • P(c);N_GUARD::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);S_FLIGHT,XR(D)::B(G),XQ(i)
      • Refutation
        • K(d);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);S_FLIGHT,XR(D)::B(G),XQ(i)
      • Refutation
        • K(d);P-FLIGHT,XQ(A)
  • Actual
    • S(C);
    • Threat
      • R1(D)
    • Vars
      • K(d);S_FLIGHT,XR(D)::QAR2(A)
      • Q(i);SBLOCK,XR(D)::R(F),XP(c)
      • S(h);N_GUARD,SBLOCK,XR(D)::R(F)
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).