MESON Chess Problem Database
Problem Display
PID: 59673 (4RK2/2p2ppB/6r1/b1RN4/1Ppk1B2/1P3p2/1pP1p1N1/6q1 w - - 0 1)
Touw Hian Bwee
2nd Prize, Probleemblad, 1967
#2
10 + 11
| 3772 | FIDE Album (1965-1967) | 1976 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 1...Qa1
- 2.Be3#
- 1...Qb1
- 2.Be3#
- 1...Qd1
- 2.Be3#
- 1...Qe1
- 2.Be3#
- 1...Qf1
- 2.Be3#
- 1...Qh1
- 2.Be3#
- 1...Qxg2
- 2.Be3#
- 1...Rxg2
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rg3
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rg4
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rg5
- 2.Re4#
- 2.c3#
- 1...Ra6
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rb6
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rc6
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rd6
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Re6
- 2.c3#
- 1...Rf6
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rh6
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...f2
- 2.Be3#
- 1...Qh2
- Tries
- 1.Se1?
- threat
- 2.Sxf3#
- 2.c3#
- 1...Qxe1
- 2.Be3#
- 1...b1S
- 2.Sxf3#
- 1...Qf2
- 2.c3#
- 1...Qe3
- 2.Bxe3#
- 1...Qf1
- 2.Be3#
- 2.c3#
- 1...Qh1
- 2.Be3#
- 2.c3#
- 1...Qg2
- 2.Be3#
- 2.c3#
- 1...Qg3
- 2.Be3#
- 2.c3#
- 1...Qg4
- 2.Be3#
- 2.c3#
- 1...Rg3
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...f2
- 2.Sf3#
- 2.Be3#
- 2.c3#
- 1...c3
- 2.Sxf3#
- 1...Bxb4!
- threat
- 1.Sge3?
- threat
- 2.Sf5#
- 2.Rxc4#
- 1...Qxe3
- 2.Bxe3#
- 1...cxb3
- 2.Sf5#
- 2.Rc4#
- 1...Qg4
- 2.Rxc4#
- 1...Qg5
- 2.Rxc4#
- 1...Rg5
- 2.Rxc4#
- 2.Re4#
- 2.c3#
- 1...Rc6
- 2.Sf5#
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Re6
- 2.Rxc4#
- 2.c3#
- 1...Rf6
- 2.Be5#
- 2.Rxc4#
- 2.Re4#
- 2.c3#
- 1...c3
- 2.Sf5#
- 2.Rc4#
- 1...f5
- 2.Sxf5#
- 2.Rxc4#
- 1...Bxb4!
- threat
- 1.Sh4?
- threat
- 2.Sxf3#
- 2.Sf5#
- 1...e1S
- 2.Sf5#
- 1...Qf2
- 2.Sf5#
- 1...Qe3
- 2.Sf5#
- 2.Bxe3#
- 1...Qf1
- 2.Sf5#
- 2.Be3#
- 1...Qh1
- 2.Sf5#
- 2.Be3#
- 1...Qg2
- 2.Sf5#
- 2.Be3#
- 1...Qg3
- 2.Sf5#
- 2.Be3#
- 1...Qg4
- 2.Be3#
- 1...Qg5
- 2.Sxf3#
- 1...Rg3
- 2.Sf5#
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...Rg5
- 2.Sxf3#
- 2.Re4#
- 2.c3#
- 1...Re6
- 2.Sxf3#
- 2.c3#
- 1...Rf6
- 2.Sxf3#
- 2.Be5#
- 2.Re4#
- 2.c3#
- 1...f2
- 2.Sf3#
- 2.Sf5#
- 2.Be3#
- 1...f5
- 2.Sxf3#
- 2.Sxf5#
- 1...Bxb4!
- threat
- 1.Sc3?
- threat
- 2.Sb5#
- 2.Be5#
- 2.Rxc4#
- 1...Kxc3
- 2.Rxc4#
- 1...Qxg2
- 2.Sb5#
- 2.Rxc4#
- 1...Rxg2
- 2.Sb5#
- 2.Rxc4#
- 1...fxg2
- 2.Sxe2#
- 2.Sb5#
- 2.Rxc4#
- 1...cxb3
- 2.Sb5#
- 2.Be5#
- 2.Re4#
- 1...e1Q
- 2.Sb5#
- 2.Rxc4#
- 1...e1R
- 2.Sb5#
- 2.Rxc4#
- 1...Qh2
- 2.Sb5#
- 2.Rxc4#
- 1...Qe3
- 2.Sb5#
- 2.Rxc4#
- 1...Rg5
- 2.Sb5#
- 2.Rxc4#
- 1...Rb6
- 2.Be5#
- 2.Rxc4#
- 1...Rc6
- 2.Sb5#
- 2.Be5#
- 1...Re6
- 2.Sb5#
- 2.Rxc4#
- 1...c6
- 2.Be5#
- 2.Rxc4#
- 1...f6
- 2.Sb5#
- 2.Rxc4#
- 1...Bxb4!
- threat
- 1.Rd8?
- threat
- 2.Rxc4#
- 1...Ke4
- 2.Sc3#
- 1...cxb3
- 2.Sf6#
- 1...Rc6
- 2.c3#
- 1...Rd6
- 2.c3#
- 1...c3
- 2.Sf6#
- 2.Rc4#
- 1...Bxb4!
- threat
- 1.Se1?
- Keys
- 1.Se7!
- threat
- 2.Rxc4#
- 1...Kc3
- 2.Rxc4#
- 1...Ke4
- 2.Sc6#
- 1...cxb3
- 2.Sf5#
- 1...Rc6
- 2.Be5#
- 1...c3
- 2.Sf5#
- 2.Rc4#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- Q(a);N_GUARD::B(E)
- Q(a);N_GUARD::B(E),XQ(a)
- Q(a);N_GUARD,XS(B)::B(E)
- R(h);::P(A)
- P(d);S_CUTQ(a)::B(E)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XS(B)::B(E)
- P(b);::S(B),XP(d)
- Q(a);::P(A)
- Q(a);N_GUARD::B(E),XQ(a)
- P(e);::S(B),XP(d)
- Refutation
- B(g);P_PINR(F),XP(D)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(a);OGATE,XS(B)::B(E),XQ(a)
- Q(a);::R1(F),XP(e)
- Refutation
- B(g);P_PINR(F),XP(D)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- P(c);::S(B)
- Q(a);::S(B)
- Q(a);N_GUARD::B(E)
- Q(a);::S(B),XP(d)
- Refutation
- B(g);P_PINR(F),XP(D)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- K(f);P_SPINP(e),S_FLIGHT,XS(G)::R1(F),XP(e)
- Refutation
- B(g);P_PINR(F),XP(D)
- Try
- R(I);
- Threat
- R1(F),XP(e)
- Vars
- K(f);P-FLIGHT,P_SPINR(h)::S(G)
- P(e);XP(C)::R(I)+S(G)
- R(h);::P(A)
- Refutation
- B(g);P_PINR(F),XP(D)
- Try
- Actual
- S(G);
- Threat
- R1(F),XP(e)
- Vars
- K(f);P_SPINP(e),S_FLIGHT::R1(F),XP(e)
- K(f);P-FLIGHT,P_SPINR(h)::R(I)+S(G)
- P(e);XP(C)::S(G)
- R(h);::B(E)
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).