MESON Chess Problem Database
Problem Display
PID: 11628 (1R1R1br1/n6q/p1pNP3/P1k1N3/1p1p1B2/1Kp2Q2/n1pPB3/1br5 w - - 0 1)
Touw Hian Bwee
1st Prize, Main-Post, 1970
(First published on Thu Aug 27 1970)
#2
11 + 14
| 3751 | FIDE Album (1968-1970) | 1977 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
| 3485 | Sachova skladba | 2011 |
| 14869 | British Championship Solving Ty. | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Sxd3#
- 2.Sd7#
- 1...Qe4
- 2.Sxe4#
- 2.Sb7#
- 1...Qf5
- 2.Sd7#
- 2.Sb7#
- 1...Qg6
- 2.Sd7#
- 2.Sb7#
- 1...Qh1
- 2.Sd3#
- 2.Sd7#
- 2.Se4#
- 2.Sb7#
- 1...Qh2
- 2.Sd3#
- 2.Sd7#
- 2.Se4#
- 2.Sb7#
- 1...Qh3
- 2.Sd3#
- 2.Sd7#
- 2.Se4#
- 2.Sb7#
- 1...Qh4
- 2.Sd3#
- 2.Sd7#
- 2.Se4#
- 2.Sb7#
- 1...Qh5
- 2.Sd3#
- 2.Sd7#
- 2.Se4#
- 2.Sb7#
- 1...Qh6
- 2.Sd3#
- 2.Sd7#
- 2.Se4#
- 2.Sb7#
- 1...Qb7
- 2.Sd3#
- 2.Se4#
- 2.Sxb7#
- 1...Qc7
- 2.Sd3#
- 2.Se4#
- 1...Qd7
- 2.Sd3#
- 2.Sxd7#
- 1...Qe7
- 2.Sd3#
- 2.Se4#
- 1...Qf7
- 2.Sd3#
- 2.Se4#
- 1...Qg7
- 2.Sd3#
- 2.Se4#
- 1...Qh8
- 2.Sd3#
- 2.Sd7#
- 2.Se4#
- 2.Sb7#
- 1...Rg6
- 2.Sd3#
- 2.Se4#
- 1...Be7
- 2.Sd7#
- 2.Sb7#
- 1...Bg7
- 2.Sd7#
- 2.Sb7#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...d3
- 2.Be3#
- 1...Qd3
- Tries
- 1.Sef7?
- threat
- 2.Sb7#
- 1...Qxf7
- 2.Se4#
- 1...Bxd6
- 2.Bxd6#
- 1...d3
- 2.Be3#
- 1...Qd3!
- threat
- 1.Sf5?
- threat
- 2.Sd3#
- 1...Qxf5
- 2.Sd7#
- 1...d3
- 2.Sxd3#
- 2.Be3#
- 2.Qf2#
- 2.Qe3#
- 1...Qb7!
- threat
- 1.Sdf7?
- threat
- 2.Sd7#
- 1...Qxf7
- 2.Sd3#
- 1...d3
- 2.Be3#
- 2.Qf2#
- 2.Qe3#
- 1...Qe4!
- threat
- 1.Rd7?
- threat
- 2.Sb7#
- 1...Qxd7
- 2.Sd3#
- 2.Sxd7#
- 1...d3
- 2.Be3#
- 1...Qd3
- 2.Sxd3#
- 1...Bxd6!
- threat
- 1.Qe4?
- threat
- 2.Sd3#
- 1...Qxe4
- 2.Sxe4#
- 2.Sb7#
- 1...Qh3
- 2.Sd7#
- 2.Sb7#
- 1...d3
- 2.Sxd3#
- 2.Be3#
- 2.Qc4#
- 1...Rg3!
- threat
- 1.e7?
- threat
- 2.Sd7#
- 2.Sb7#
- 1...Qxe7
- 2.Sd3#
- 2.Se4#
- 1...Qe4
- 2.Sxe4#
- 2.Sb7#
- 1...d3
- 2.Be3#
- 1...Qd3
- 2.Sxd3#
- 2.Sd7#
- 1...Qf5
- 2.Sb7#
- 1...Qh3
- 2.Sd3#
- 2.Se4#
- 2.Sb7#
- 1...Qf7+!
- threat
- 1.Sef7?
- Keys
- 1.Sg6!
- threat
- 2.Se4#
- 1...Qxg6
- 2.Sb7#
- 1...Bxd6
- 2.Bxd6#
- 1...Qd7
- 2.Qh5#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- S(k);N_GUARD::QAR1(D),XP(j)
- P(g);OGATEB::B(E)
- Tries
- Try
- S(G);
- Threat
- S(H)
- Vars
- Q(l);N_GUARD,P_PINP(I),XS(G)::S(H)
- B(m);OGATE,XS(H)::B(E),XB(m)
- P(g);OGATEB::B(E)
- Refutation
- Q(l);
- Try
- S(H);
- Threat
- S(G)
- Vars
- Q(l);N_GUARD,XS(H)::S(G)
- Refutation
- Q(l);
- Try
- S(H);
- Threat
- S(G)
- Vars
- Q(l);N_GUARD,P_PINP(I),XS(H)::S(G)
- Refutation
- Q(l);
- Try
- R(K);
- Threat
- S(H)
- Vars
- P(g);OGATEB::B(E)
- Q(l);N_GUARD::S(G),XQ(l)
- Refutation
- B(m);XS(H)
- Try
- Q(D);
- Threat
- S(G)
- Refutation
- R(n);
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB::B(E)
- Q(l);::S(H)
- Refutation
- Q(l);CHECK
- Try
- Actual
- S(G);
- Threat
- S(H)
- Vars
- Q(l);N_GUARD,XS(G)::S(H)
- B(m);OGATE,XS(H)::B(E),XB(m)
- Q(l);N_GUARD::QAR(D)
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).