MESON Chess Problem Database
Problem Display
PID: 61059 (8/5r1p/2BQ4/3PB1RK/r2pk1Nn/3R4/2P1Np2/4qn2 w - - 0 1)
Touw Hian Bwee
1st Prize, Deutsche Schachzeitung, 1972
#2
10 + 9
| 3753 | FIDE Album (1971-1973) | 1978 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Sxf6#
- 1...Ra7
- 2.Sf6#
- 1...Rb7
- 2.Sf6#
- 1...Rc7
- 2.Sf6#
- 1...Rd7
- 2.Sf6#
- 1...Re7
- 2.Sf6#
- 1...Rg7
- 2.Sf6#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Sg3+
- 2.Sxg3#
- 1...Rf6
- Tries
- 1.Bf6?
- threat
- 2.Re5#
- 2.Qf4#
- 2.Qe5#
- 2.Qe6#
- 1...Sg3+
- 2.Sxg3#
- 1...Qxe2
- 2.Qe5#
- 1...Rxf6
- 2.Sxf6#
- 2.Re5#
- 2.Qe5#
- 1...Se3
- 2.Qf4#
- 1...Qd2
- 2.Sxf2#
- 2.Re5#
- 2.Qe5#
- 2.Qe6#
- 1...Qc1
- 2.Sxf2#
- 2.Re5#
- 2.Qe5#
- 2.Qe6#
- 1...Re7
- 2.Qf4#
- 2.Qxe7#
- 1...Sg2
- 2.Re5#
- 2.Qe5#
- 2.Qe6#
- 1...Sf3
- 2.Qf4#
- 1...Sf5
- 2.Qf4#
- 2.Qe5#
- 2.Qe6#
- 1...Sg6!
- threat
- 1.Qc5?
- threat
- 2.d6#
- 1...Sg3+
- 2.Sxg3#
- 1...Ra6
- 2.Qxd4#
- 1...Rc7
- 2.Sf6#
- 1...Se3!
- threat
- 1.Qe6?
- threat
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 2.d6#
- 1...Sg3+
- 2.Sxg3#
- 2.Bxg3#
- 1...Qxe2
- 2.Bh2#
- 2.Bg3#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 2.d6#
- 1...Rf5
- 2.d6#
- 1...Qc3
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Qa5
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Rc4
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Ra5
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Ra6
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Rf4
- 2.Bxd4#
- 2.Bxf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 2.d6#
- 1...Rf6
- 2.Sxf6#
- 2.Bxf6#
- 2.d6#
- 1...Rc7
- 2.Sf6#
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bxc7#
- 2.Bg7#
- 2.Bh8#
- 1...Re7
- 2.Sf6#
- 2.d6#
- 1...Rg7
- 2.Sf6#
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bxg7#
- 2.Bb8#
- 2.d6#
- 1...Sh2
- 2.Sg3#
- 2.Bxh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 2.d6#
- 1...Sf3
- 2.d6#
- 1...Sg6
- 2.d6#
- 1...Se3!
- threat
- 1.Qf6?
- threat
- 2.d6#
- 1...Sg3+
- 2.Sxg3#
- 1...Qc3
- 2.Sxf2#
- 1...Qa5
- 2.Sxf2#
- 1...Ra5
- 2.Rxd4#
- 1...Ra6
- 2.Rxd4#
- 1...Rc7
- 2.Qf4#
- 1...Se3
- 2.Sg3#
- 1...Rc4!
- threat
- 1.Qg6+?
- 1...Rf5
- 2.d6#
- 1...Sf5
- 2.d6#
- 1...Sxg6
- 2.d6#
- 1...hxg6+!
- 1...Rf5
- 1.Bf6?
- Keys
- 1.Qb4!
- threat
- 2.d6#
- 1...Sg3+
- 2.Sxg3#
- 1...Se3
- 2.Rxe3#
- 1...Qc3
- 2.Sxc3#
- 1...Ra5
- 2.Qxd4#
- 1...Ra6
- 2.Qxd4#
- 1...Rc7
- 2.Sf6#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(h);N_GUARD::S(D),XR(h)
- R(h);N_GUARD::S(D)
- S(b);N_GUARD::S(B)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- Tries
- Try
- B(F);
- Threat
- DUALS(4)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- Q(a);P_PINS(D),XS(B)::QAR1(J)
- S(b);::QAR1(J)
- S(g);::QAR1(J)
- Refutation
- S(g);
- Try
- Q(J);
- Threat
- B(I)+P(E)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- R(d);N_GUARD::QAR1(J),XP(e)
- R(h);N_GUARD::S(D)
- Refutation
- S(b);
- Try
- Q(J);
- Threat
- DUALS(11)
- Vars
- R(h);P_PINR(G)::B(I)+P(E)
- S(g);::B(I)+P(E)
- Refutation
- S(b);
- Try
- Q(J);
- Threat
- B(I)+P(E)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- Q(a);N_GUARD::S(D),XP(c)
- R(d);N_GUARD::R1(C),XP(e)
- R(h);N_GUARD::QAR1(J)
- S(b);N_GUARD::S(B)
- Refutation
- R(d);
- Try
- Q(J);CHECK
- Vars
- R(h);P_PINR(G),P_SPINR(h)::B(I)+P(E)
- S(g);P_SPINS(g)::B(I)+P(E)
- S(g);XQ(J)::B(I)+P(E)
- Refutation
- P(i);CHECK,XQ(J)
- Try
- Actual
- Q(J);P_PINP(e)
- Threat
- B(I)+P(E)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);N_GUARD::R1(C),XS(b)
- Q(a);N_GUARD::S(B),XQ(a)
- R(d);N_GUARD::QAR1(J),XP(e)
- R(h);N_GUARD::S(D)
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