MESON Chess Problem Database
Problem Display
PID: 24466 (5rb1/8/1Q1N2PK/2pp1RNp/1q1k1B2/5R1r/B2PP2b/3n4 w - - 0 1)
Touw Hian Bwee
4th Prize, Olympic Ty., 1962
#2
11 + 10
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 3747 | FIDE Album (1962-1964) | 1968 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Sb5#
- 1...Qa3
- 2.Sb5#
- 1...Qc3
- 2.Sb5#
- 1...Qb5
- 2.Sxb5#
- 1...Rxf3
- 2.Sxf3#
- 1...Rg3
- 2.Be5#
- 1...Rh4
- 2.Rd3#
- 1...Rxf5
- 2.Sxf5#
- 1...Rf7
- 2.Se6#
- 2.Rxd5#
- 1...Bg1
- 2.Be5#
- 1...Bg3
- 2.Rd3#
- 1...Bxf4
- 2.R3xf4#
- 1...Be6
- 2.Sxe6#
- 1...Bh7
- 2.Se6#
- 2.Rxd5#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...Qxd2
- Tries
- 1.Sdf7?
- threat
- 2.Rxd5#
- 2.Qf6#
- 1...Qxb6
- 2.Rxd5#
- 1...Rxf7
- 2.Rxd5#
- 1...Bxf4
- 2.R3xf4#
- 2.R5xf4#
- 2.Rxd5#
- 1...Bxf7
- 2.Qf6#
- 1...Qc4
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Rxd5#
- 1...Sc3
- 2.Be3#
- 2.Qf6#
- 1...Se3
- 2.Bxe3#
- 2.Qf6#
- 1...Qb3!
- threat
- 1.Bxh2?
- threat
- 2.Be5#
- 2.R3f4#
- 1...Qxd2
- 2.Sb5#
- 2.Be5#
- 1...Rxh2
- 2.Rd3#
- 2.R3f4#
- 1...Rxf3
- 2.Sxf3#
- 2.Be5#
- 1...Rxf5
- 2.Sxf5#
- 1...Qb1
- 2.Be5#
- 1...Rg3
- 2.R3f4#
- 1...Rh4
- 2.Be5#
- 2.Rd3#
- 1...Sf2
- 2.Be5#
- 1...Sc3
- 2.Bg1#
- 2.Be5#
- 1...Re8!
- threat
- 1.Bg3?
- threat
- 2.Rd3#
- 2.R3f4#
- 1...Qxd2
- 2.Sb5#
- 1...Rxg3
- 2.R3f4#
- 1...Rxf5
- 2.Sxf5#
- 2.Rd3#
- 1...Bxg3
- 2.Rd3#
- 1...Qa3
- 2.Sb5#
- 2.R3f4#
- 1...Qc3
- 2.Sb5#
- 2.R3f4#
- 1...Qb3
- 2.R3f4#
- 1...Qc4
- 2.R3f4#
- 1...Qb5
- 2.Sxb5#
- 2.R3f4#
- 1...Rh4
- 2.Rd3#
- 1...Re8
- 2.Rd3#
- 1...Sb2
- 2.Bf2#
- 2.R3f4#
- 1...Sf2
- 2.Bxf2#
- 1...Sc3
- 2.Bf2#
- 2.Rd3#
- 1...Se3
- 2.R3f4#
- 1...Qb1!
- threat
- 1.Rxh3?
- threat
- 2.Sf3#
- 2.Rd3#
- 1...Qxd2
- 2.Sb5#
- 1...Bxf4
- 2.Rd3#
- 1...Qa3
- 2.Sb5#
- 1...Qc3
- 2.Sb5#
- 1...Qb1
- 2.Sf3#
- 1...Qc4
- 2.Sf3#
- 1...Qb5
- 2.Sf3#
- 2.Sxb5#
- 1...Bg3
- 2.Sf3#
- 1...Sb2
- 2.Sf3#
- 2.Be3#
- 1...Sf2
- 2.Sf3#
- 2.Be3#
- 1...Se3
- 2.Sf3#
- 2.Bxe3#
- 1...Qb3!
- threat
- 1.Rf7?
- threat
- 2.Se6#
- 2.Sf5#
- 1...Rxf7
- 2.Se6#
- 1...Bxf7
- 2.Sf5#
- 1...Qb3
- 2.Se6#
- 1...Qb1
- 2.Se6#
- 1...Re8
- 2.Sf5#
- 1...Se3
- 2.Se6#
- 1...Bxf4!
- threat
- 1.Qxb4+?
- 1...c4
- 2.Sb5#
- 2.Qb6#
- 1...cxb4!
- 1...c4
- 1.Sdf7?
- Keys
- 1.Rg3!
- threat
- 2.Sf3#
- 2.Be5#
- 1...Qxd2
- 2.Sb5#
- 2.Be5#
- 1...Rxg3
- 2.Be5#
- 1...Rxf5
- 2.Sf3#
- 2.Sxf5#
- 1...Bxg3
- 2.Sf3#
- 1...Qa3
- 2.Sb5#
- 2.Be5#
- 1...Qc3
- 2.Sb5#
- 2.Be5#
- 1...Qb3
- 2.Be5#
- 1...Re8
- 2.Sf3#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- Q(d);N_GUARD,XP(B)::S(I)
- Q(d);N_GUARD::S(I)
- Q(d);N_GUARD::S(I),XQ(d)
- R(c);XR(D)::S(G),XR(c)
- R(c);S_CUTB(b)::B(E)
- R(c);N_GUARD::R1(D)
- R(i);XR(F)::S(I),XR(i)
- B(b);N_GUARD::B(E)
- B(b);S_CUTR(c)::R1(D)
- B(b);OGATE,P_PINS(G),XB(E)::R(D),XB(b)
- B(j);N_GUARD::S(G),XB(j)
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- Q(d);N_SPINP(f),P_PINP(J),XQ(H)::R1(F),XP(g)
- R(i);XS(I)::R1(F),XP(g)
- B(j);XS(I)::QAB(H)
- Q(d);::QAB(H)
- R(i);::QAB(H)
- R(i);::R1(F),XP(g)
- Refutation
- Q(d);
- Try
- B(E);XB(b)
- Threat
- DUALS(2)
- Vars
- R(i);XR(F)::S(I),XR(i)
- Q(d);::B(E)
- R(c);::R(D)
- S(a);::B(E)
- Refutation
- R(i);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,P_PINS(G),XP(B)::S(I)
- R(c);XB(E)::R(D)
- B(b);XB(E)::R1(D)
- Q(d);::R(D)
- R(c);::R1(D)
- R(i);::R1(D)
- S(a);N_GUARD::B(E),XS(a)
- S(a);::R(D)
- Refutation
- Q(d);
- Try
- R(D);XR(c)
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XP(B)::S(I)
- B(b);P_PINS(G),XB(E)::R1(D)
- Q(d);N_GUARD::S(I)
- Q(d);::S(G)
- B(b);::S(G)
- Refutation
- Q(d);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(i);XR(F)::S(G)
- B(j);XR(F)::S(I)
- Q(d);::S(G)
- R(i);::S(I)
- S(a);::S(G)
- Refutation
- B(b);P_PINS(G),XB(E)
- Try
- Q(H);CHECK,N_PINP(f),XQ(d)
- Refutation
- P(f);XQ(H)
- Try
- Actual
- R(D);
- Threat
- DUALS(2)
- Vars
- R(c);XR(D)::B(E)
- B(b);XR(D)::S(G)
- Q(d);::B(E)
- R(i);::S(G)
Developed and maintained by Brian Stephenson.
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