MESON Chess Problem Database
Problem Display
PID: 55595 (r7/1b6/pB3Q2/P2NbPq1/K1k1p3/1N5R/1PP1p2r/3B4 w - - 0 1)
Touw Hian Bwee
Problem (Zagreb), 1962
#2
11 + 9
| 3747 | FIDE Album (1962-1964) | 1968 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Qe6#
- 1...Qe3
- 2.Sxe3#
- 1...Qh4
- 2.Se3#
- 1...Qxf6
- 2.Se3#
- 1...Qg2
- 2.Se3#
- 1...Qg4
- 2.Se3#
- 1...Qxf5
- 2.Se3#
- 1...Qh5
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 1...Qg7
- 2.Se3#
- 1...Qg8
- 2.Se3#
- 1...Bg3
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Bf4
- 2.Qd4#
- 1...Bd6
- 2.Qd4#
- 1...Bc7
- 2.Qd4#
- 1...Bb8
- 2.Qd4#
- 1...Bc6+
- 2.Qxc6#
- 1...Bc8
- 2.Qc6#
- 1...Kxd5
- Tries
- 1.Sd2+?
- 1...Kxd5
- 2.Qe6#
- 2.c4#
- 1...Qxd2!
- 1...Kxd5
- 1.Bxe2+?
- 1...Kxd5
- 2.Qe6#
- 2.c4#
- 1...Rxe2!
- 1...Kxd5
- 1.Be3?
- threat
- 2.Sb6#
- 1...Bc6+
- 2.Qxc6#
- 1...Kxd5
- 2.Qe6#
- 1...Qxe3
- 2.Sxe3#
- 1...Bxd5
- 2.Sd2#
- 1...Bd4
- 2.Qxd4#
- 1...Bc7
- 2.Qd4#
- 1...Qxf6!
- threat
- 1.Bd4?
- threat
- 2.Sb6#
- 1...Bc6+
- 2.Qxc6#
- 1...Kxd5
- 2.Qe6#
- 1...Qxf6
- 2.Se3#
- 1...Bxd4
- 2.Qxd4#
- 1...Bxd5
- 2.Rc3#
- 1...Bc7!
- threat
- 1.Ba7?
- threat
- 2.Sb6#
- 1...Bc6+
- 2.Qxc6#
- 1...Kxd5
- 2.Qe6#
- 1...Qxf6
- 2.Se3#
- 1...Bxd5
- 2.Qxa6#
- 1...Qe3
- 2.Sxe3#
- 1...Bd4
- 2.Qxd4#
- 1...Bc7
- 2.Qd4#
- 1...Qg1!
- threat
- 1.Rc3+?
- 1...Kxd5
- 2.Rc5#
- 2.Qe6#
- 1...Bxc3!
- 1...Kxd5
- 1.Qxe5?
- threat
- 2.Rc3#
- 2.Qd4#
- 2.Qxe4#
- 1...Qxf5
- 2.Sd2#
- 2.Se3#
- 2.Rc3#
- 2.Qd4#
- 1...Rxh3
- 2.Qd4#
- 2.Qxe4#
- 1...Bxd5
- 2.Rc3#
- 2.Qc3#
- 2.Qd4#
- 1...exd1Q
- 2.Rc3#
- 1...exd1S
- 2.Qd4#
- 2.Qxe4#
- 1...exd1R
- 2.Rc3#
- 1...e1Q
- 2.Qd4#
- 1...e1B
- 2.Qd4#
- 2.Qxe4#
- 1...e1R
- 2.Rc3#
- 2.Qd4#
- 1...Qg1
- 2.Sd2#
- 2.Rc3#
- 1...Qd2
- 2.Sxd2#
- 1...Qe3
- 2.Sxe3#
- 1...Qf4
- 2.Rc3#
- 2.Qd4#
- 1...Qh4
- 2.Sd2#
- 2.Se3#
- 2.Rc3#
- 2.Qd4#
- 1...Qf6
- 2.Sd2#
- 2.Se3#
- 2.Rc3#
- 1...Qe7
- 2.Sd2#
- 2.Se3#
- 2.Rc3#
- 2.Qd4#
- 1...Qg2
- 2.Sd2#
- 2.Se3#
- 2.Rc3#
- 2.Qd4#
- 1...Qg3
- 2.Sd2#
- 2.Qd4#
- 2.Qxe4#
- 1...Qg4
- 2.Sd2#
- 2.Se3#
- 2.Rc3#
- 2.Qd4#
- 1...Qg7
- 2.Sd2#
- 2.Se3#
- 2.Rc3#
- 1...Re8
- 2.Rc3#
- 2.Qd4#
- 1...e3
- 2.Qd4#
- 2.Qe4#
- 1...Bc6+!
- threat
- 1.Sd2+?
- Keys
- 1.Bf2!
- threat
- 2.Sb6#
- 1...Bc6+
- 2.Qxc6#
- 1...Kxd5
- 2.Qe6#
- 1...Qxf6
- 2.Se3#
- 1...Bxd5
- 2.Bxe2#
- 1...Qe3
- 2.Sxe3#
- 1...Bd4
- 2.Qxd4#
- 1...Bc7
- 2.Qd4#
- threat
- 1.Bf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- K(c);OGATEB,S_FLIGHT,XS(H)::QAB1(K)
- Q(f);N_GUARD::S(H),XQ(f)
- Q(f);N_GUARD::S(H)
- Q(f);N_GUARD,XQ(K)::S(H)
- Q(f);N_GUARD,XP(I)::S(H)
- B(e);OGATE::QAR1(K)
- B(e);OGATE::QAR1(K),XB(e)
- B(h);CHECK,N_GUARD::QAR2(K),XB(h)
- B(h);N_GUARD::QAR2(K)
- Tries
- Try
- S(D);CHECK
- Refutation
- Q(f);XS(D)
- Try
- B(A);CHECK,XP(a)
- Refutation
- R(b);XB(A)
- Try
- B(J);
- Threat
- S(H)
- Vars
- B(h);CHECK,N_GUARD::QAR2(K),XB(h)
- K(c);OGATEB,S_FLIGHT,XS(H)::QAB1(K)
- Q(f);XB(J)::S(H),XQ(f)
- B(h);SBLOCK,XS(H)::S(D)
- B(e);OGATE::QAR1(K),XB(e)
- B(e);OGATE::QAR1(K)
- Refutation
- Q(f);XQ(K)
- Try
- B(J);
- Threat
- S(H)
- Vars
- B(h);CHECK,N_GUARD::QAR2(K),XB(h)
- K(c);OGATEB,S_FLIGHT,XS(H)::QAB1(K)
- Q(f);N_GUARD,XQ(K)::S(H)
- B(e);OGATE,XB(J)::QAR1(K),XB(e)
- B(h);SBLOCK,XS(H)::R1(E)
- Refutation
- B(e);
- Try
- B(J);
- Threat
- S(H)
- Vars
- B(h);CHECK,N_GUARD::QAR2(K),XB(h)
- K(c);OGATEB,S_FLIGHT,XS(H)::QAB1(K)
- Q(f);N_GUARD,XQ(K)::S(H)
- B(h);N_GUARD,SBLOCK,XS(H)::QAB(K),XP(g)
- Q(f);N_GUARD::S(H),XQ(f)
- B(e);OGATE::QAR1(K),XB(e)
- B(e);OGATE::QAR1(K)
- Refutation
- Q(f);
- Try
- R(E);CHECK
- Refutation
- B(e);XR(E)
- Try
- Q(K);XB(e)
- Threat
- DUALS(3)
- Vars
- P(a);XB(A)::R1(E)
- P(a);::QAR1(K)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(H),XQ(f)
- Refutation
- B(h);CHECK
- Try
- Actual
- B(J);
- Threat
- S(H)
- Vars
- B(h);CHECK,N_GUARD::QAR2(K),XB(h)
- K(c);OGATEB,S_FLIGHT,XS(H)::QAB1(K)
- Q(f);N_GUARD,XQ(K)::S(H)
- B(h);SBLOCK,XS(H)::B(A),XP(a)
- Q(f);N_GUARD::S(H),XQ(f)
- B(e);OGATE::QAR1(K),XB(e)
- B(e);OGATE::QAR1(K)
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).