MESON Chess Problem Database
Problem Display
PID: 63740 (3nR3/2p4K/2pp1kB1/1p3Ppp/1N1R4/p4pB1/P3bP1N/1n2Q3 w - - 0 1)
Touw Hian Bwee
1st Prize, Wiener Arbeiter Zeitung, 1974
#2
11 + 12
| 3771 | FIDE Album (1974-1976) | 1980 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bc4
- 2.Qe7#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...g4
- 2.Bh4#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Sd5#
- 1...d5
- 2.Be5#
- 1...Bd1
- Tries
- 1.Rd1?
- 1...Bxd1
- 2.Qe7#
- 1...g4
- 2.Bh4#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bc4
- 2.Qe7#
- 1...Sc3
- 2.Qxc3#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Sd5#
- 1...d5
- 2.Be5#
- 1...Sd2!
- 1...Bxd1
- 1.Rd2?
- 1...Sxd2
- 2.Qa1#
- 1...g4
- 2.Bh4#
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bc4
- 2.Qe7#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Sd5#
- 1...d5
- 2.Be5#
- 1...Sc3!
- 1...Sxd2
- 1.Rc4?
- 1...Bxc4
- 2.Qe7#
- 1...g4
- 2.Bh4#
- 1...Sd2
- 2.Qa1#
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Sc3
- 2.Qxc3#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Sd5#
- 1...d5
- 2.Be5#
- 1...bxc4!
- 1...Bxc4
- 1.Rf4?
- 1...gxf4
- 2.Bh4#
- 1...Se6
- 2.Rxe6#
- 1...g4
- 2.Bh4#
- 1...Sd2
- 2.Qa1#
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bc4
- 2.Qe7#
- 1...Sc3
- 2.Qxc3#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Sd5#
- 1...d5!
- 1...gxf4
- 1.Rg4?
- 1...hxg4
- 2.Sxg4#
- 1...Sd2
- 2.Qa1#
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bc4
- 2.Qe7#
- 1...Sc3
- 2.Qxc3#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c5
- 2.Sd5#
- 1...d5
- 2.Be5#
- 1...h4!
- 1...hxg4
- 1.Rh4?
- 1...gxh4
- 2.Bxh4#
- 1...Sd2
- 2.Qa1#
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bc4
- 2.Qe7#
- 1...Sc3
- 2.Qxc3#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c5
- 2.Sd5#
- 1...d5
- 2.Be5#
- 1...g4!
- 1...gxh4
- 1.Rd5?
- 1...cxd5
- 2.Sxd5#
- 1...g4
- 2.Bh4#
- 1...Sd2
- 2.Qa1#
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bc4
- 2.Qe7#
- 1...Sc3
- 2.Qxc3#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...h4
- 2.Sg4#
- 1...c5!
- 1...cxd5
- 1.Rxd6+?
- 1...Se6
- 2.Rdxe6#
- 2.Rexe6#
- 1...cxd6!
- 1...Se6
- 1.Rf8+?
- 1...Sf7
- 2.Rxf7#
- 1...Ke7!
- 1...Sf7
- 1.Qc3?
- threat
- 2.Rxd6#
- 1...g4
- 2.Bh4#
- 1...Se6
- 2.Rxe6#
- 1...d5
- 2.Be5#
- 1...Sxc3!
- threat
- 1.Qxe2?
- threat
- 2.Qe7#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...fxe2!
- threat
- 1.Rd1?
- Keys
- 1.Rd3!
- 1...Bxd3
- 2.Qe7#
- 1...g4
- 2.Bh4#
- 1...Sd2
- 2.Qa1#
- 1...Bd1
- 2.Qe7#
- 1...Bf1
- 2.Qe7#
- 1...Sc3
- 2.Qxc3#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Sd5#
- 1...d5
- 2.Be5#
- 1...Bxd3
- 1.Rd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(b);OGATE::QAB1(A)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(f);OGATEB::B(E)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(F)
- P(i);N_GUARD::B(E)
- Tries
- Try
- R(G);
- Vars
- B(b);OGATE,XR(G)::QAB1(A)
- P(f);OGATEB::B(E)
- B(b);OGATE::QAB1(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(F)
- P(i);N_GUARD::B(E)
- Refutation
- S(a);
- Try
- R(G);
- Vars
- S(a);OGATE,XR(G)::QAB(A)
- P(f);OGATEB::B(E)
- B(b);OGATE::QAB1(A)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(F)
- P(i);N_GUARD::B(E)
- Refutation
- S(a);
- Try
- R(G);
- Vars
- B(b);OGATE,XR(G)::QAB1(A)
- P(f);OGATEB::B(E)
- S(a);OGATE::QAB(A)
- B(b);OGATE::QAB1(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(F)
- P(i);N_GUARD::B(E)
- Refutation
- P(e);XR(G)
- Try
- R(G);
- Vars
- P(f);OGATEB,XR(G)::B(E)
- S(l);N_GUARD::R1(K),XS(l)
- P(f);OGATEB::B(E)
- S(a);OGATE::QAB(A)
- B(b);OGATE::QAB1(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(l);N_GUARD::R1(K)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(F)
- Refutation
- P(i);
- Try
- R(G);
- Vars
- P(g);XR(G)::S(D),XP(g)
- S(a);OGATE::QAB(A)
- B(b);OGATE::QAB1(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(h);N_GUARD::S(F)
- P(i);N_GUARD::B(E)
- Refutation
- P(g);
- Try
- R(G);
- Vars
- P(f);OGATE,XR(G)::B(E),XP(f)
- S(a);OGATE::QAB(A)
- B(b);OGATE::QAB1(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(h);N_GUARD::S(F)
- P(i);N_GUARD::B(E)
- Refutation
- P(f);
- Try
- R(G);
- Vars
- P(h);XR(G)::S(F),XP(h)
- P(f);OGATEB::B(E)
- S(a);OGATE::QAB(A)
- B(b);OGATE::QAB1(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(g);N_GUARD::S(D)
- Refutation
- P(h);
- Try
- R(G);CHECK,XP(i)
- Refutation
- P(k);XR(G)
- Try
- R(K);CHECK
- Vars
- S(l);N_GUARD,P_SPINS(l)::R1(K),XS(l)
- Refutation
- K(j);P_SPINB(b),S_FLIGHT
- Try
- Q(A);
- Threat
- QAB(A)+R(G),DCHECK,XP(i)
- Vars
- P(f);OGATEB::B(E)
- S(l);N_GUARD::R1(K),XS(l)
- P(i);N_GUARD::B(E)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);XB(b)
- Threat
- QAB1(A)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- R(G);
- Vars
- B(b);OGATE,XR(G)::QAB1(A)
- P(f);OGATEB::B(E)
- S(a);OGATE::QAB(A)
- B(b);OGATE::QAB1(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(l);N_GUARD::R1(K),XS(l)
- S(l);N_GUARD::R1(K)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(F)
- P(i);N_GUARD::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).