MESON Chess Problem Database
Problem Display
PID: 79067 (4R3/4Bp2/q6r/2RNNp2/r2pkPp1/4p3/5bKp/2nQ3B w - - 0 1)
Touw Hian Bwee
1st Prize, Israel Ring Ty., 1963
#2
9 + 12
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qf1+
- 2.Kxf1#
- 1...Qb7
- 2.Kf1#
- 1...Qc8
- 2.Kf1#
- 1...Qa5
- 2.Kf1#
- 1...Qb6
- 2.Kf1#
- 1...Qc6
- 2.Kf1#
- 1...Qd6
- 2.Kf1#
- 1...Qe6
- 2.Kf1#
- 1...Qf6
- 2.Kf1#
- 1...Qg6
- 2.Kf1#
- 1...Qa7
- 2.Kf1#
- 1...Qa8
- 2.Kf1#
- 1...Rc4
- 2.Kf1#
- 1...Rb6
- 2.Kxh2#
- 1...Rc6
- 2.Kxh2#
- 1...Rd6
- 2.Kxh2#
- 1...Re6
- 2.Kxh2#
- 1...Rf6
- 2.Kxh2#
- 1...Rg6
- 2.Kxh2#
- 1...Bg1
- 2.Kg3#
- 1...Bg3
- 2.Kxg3#
- 1...Bh4
- 2.Kxh2#
- 1...Se2
- 2.Kf1#
- 1...Sd3
- 2.Kf1#
- 1...e2
- 2.Kxf2#
- 1...g3
- 2.Qf3#
- 1...Qf1+
- Tries
- 1.Sd3?
- threat
- 2.Kf1#
- 1...Qxd3
- 2.Bf6#
- 1...Rh3
- 2.Bd6#
- 1...e2
- 2.Kxf2#
- 2.Sxf2#
- 1...g3!
- threat
- 1.Sxf7?
- threat
- 2.Sg5#
- 1...Qf1+
- 2.Kxf1#
- 1...Qf6
- 2.Kf1#
- 2.Bxf6#
- 1...Qg6
- 2.Kf1#
- 2.Bf6#
- 1...Rh5
- 2.Bd6#
- 1...Rg6
- 2.Kxh2#
- 1...Bh4
- 2.Kxh2#
- 1...d3!
- threat
- 1.Bh4?
- threat
- 2.Kxh2#
- 1...Qf1+
- 2.Kxf1#
- 1...Rxh4
- 2.Sc6#
- 1...g3
- 2.Qf3#
- 1...Qe2
- 2.Sg6#
- 1...Bg1
- 2.Kg3#
- 1...Bg3
- 2.Kxg3#
- 1...d3!
- threat
- 1.Bf6?
- threat
- 2.Sc6#
- 1...Qf1+
- 2.Kxf1#
- 1...Qxf6
- 2.Kf1#
- 1...Rxf6
- 2.Kxh2#
- 1...Qb7
- 2.Kf1#
- 2.Sd7#
- 1...Qc8
- 2.Kf1#
- 1...Qc6
- 2.Kf1#
- 2.Sxc6#
- 1...Qd6
- 2.Kf1#
- 1...Qe6
- 2.Kf1#
- 1...Qa7
- 2.Kf1#
- 2.Sd7#
- 1...Qa8
- 2.Kf1#
- 1...Sd3
- 2.Kf1#
- 1...Rh8!
- threat
- 1.Qd3+?
- 1...Sxd3
- 2.Kf1#
- 1...Qxd3!
- 1...Sxd3
- 1.Sd3?
- Keys
- 1.Sc6!
- threat
- 2.Bf6#
- 1...Qf1+
- 2.Kxf1#
- 1...Qxc6
- 2.Kf1#
- 1...Rxc6
- 2.Kxh2#
- 2.Bd6#
- 1...Qb7
- 2.Kf1#
- 1...Qc8
- 2.Kf1#
- 1...Qa7
- 2.Kf1#
- 1...Qa8
- 2.Kf1#
- 1...Rd6
- 2.Kxh2#
- 2.Bxd6#
- 1...Re6
- 2.Kxh2#
- 1...Rf6
- 2.Kxh2#
- 2.Bxf6#
- 1...Rh8
- 2.Bf8#
- 1...Sd3
- 2.Kf1#
- 1...f6
- 2.Bd6#
- 2.Bxf6#
- 2.Bd8#
- 2.Bf8#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 18
- Sets
- Q(j);CHECK::B(B)+K(C),XQ(j)
- Q(j);::B(B)+K(C)
- R(e);::B(B)+K(C)
- R(k);::B(B)+K(C),XP(c)
- B(b);::B(B)+K(C)
- B(b);::B(B)+K(C),XB(b)
- B(b);::B(B)+K(C),XP(c)
- S(a);::B(B)+K(C)
- P(d);::B(B)+K(C),XB(b)
- P(h);N_GUARD::QAB1(A)
- Tries
- Try
- S(G);
- Threat
- B(B)+K(C)
- Vars
- Q(j);N_GUARD,XS(G)::R(I)+B(H)
- R(k);N_GUARD::R(I)+B(H)
- Refutation
- P(h);
- Try
- S(G);XP(l)
- Threat
- S(G)
- Vars
- Q(j);CHECK::B(B)+K(C),XQ(j)
- R(k);N_GUARD::R(I)+B(H)
- R(k);::B(B)+K(C),XP(c)
- B(b);::B(B)+K(C),XP(c)
- Refutation
- P(f);
- Try
- B(H);
- Threat
- B(B)+K(C),XP(c)
- Vars
- Q(j);CHECK::B(B)+K(C),XQ(j)
- R(k);N_GUARD,XB(H)::R(I)+S(G)
- P(h);N_GUARD::QAB1(A)
- Q(j);N_GUARD::R(I)+S(G)
- B(b);::B(B)+K(C)
- B(b);::B(B)+K(C),XB(b)
- Refutation
- P(f);
- Try
- B(H);
- Threat
- R(I)+S(G)
- Vars
- Q(j);CHECK::B(B)+K(C),XQ(j)
- Q(j);XB(H)::B(B)+K(C)
- R(k);XB(H)::B(B)+K(C),XP(c)
- Q(j);::B(B)+K(C)
- S(a);::B(B)+K(C)
- Refutation
- R(k);
- Try
- Q(A);CHECK
- Vars
- S(a);XQ(A)::B(B)+K(C)
- Refutation
- Q(j);XQ(A)
- Try
- Actual
- S(G);
- Threat
- R(I)+B(H)
- Vars
- Q(j);CHECK::B(B)+K(C),XQ(j)
- Q(j);XS(G)::B(B)+K(C)
- Q(j);::B(B)+K(C)
- R(k);::B(B)+K(C),XP(c)
- R(k);N_GUARD::R(I)+B(H)
- S(a);::B(B)+K(C)
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).