MESON Chess Problem Database
Problem Display
PID: 10541 (1r2Q3/5pb1/nBPp3p/1bN5/1p1kp1r1/6R1/BKnN2p1/3R3q w - - 0 1)
Touw Hian Bwee
2nd Prize, Schakend Nederland, 1965
#2
9 + 14
| 5862 | An ABC of Chess Problems | 1970 |
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Sc4#
- 1...Qh3
- 2.Sc4#
- 1...Qh4
- 2.Sc4#
- 1...Qh5
- 2.Sc4#
- 1...Rxg3
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Rg6
- 2.Qxe4#
- 1...Ra8
- 2.Sxa6#
- 1...Rc8
- 2.Sxa6#
- 1...Rd8
- 2.Sxa6#
- 1...Bf1
- 2.Sxf1#
- 1...Ba4
- 2.Sf1#
- 1...Bc4
- 2.Sdb3#
- 1...Bxc6
- 2.Sf1#
- 1...Be5
- 2.Se6#
- 1...Se3
- 2.Sf3#
- 1...Sc7
- 2.Sb7#
- 1...g1S
- 2.Sc4#
- 1...g1B
- 2.Sc4#
- 1...e3
- 2.Sf3#
- 2.Rxg4#
- 1...d5
- 2.Scb3#
- 1...Qh2
- Tries
- 1.Sdxe4+?
- 1...Bd3
- 2.Rdxd3#
- 2.Rgxd3#
- 1...Qxd1!
- 1...Bd3
- 1.Bxf7?
- threat
- 2.Sdb3#
- 2.Scb3#
- 1...Rxg3
- 2.Qxe4#
- 1...Sxc5
- 2.Sb3#
- 1...dxc5
- 2.Sb3#
- 1...Se3
- 2.Sdb3#
- 2.Sf3#
- 1...b3
- 2.Sdxb3#
- 2.Scxb3#
- 1...e3
- 2.Sdb3#
- 2.Sf3#
- 2.Rxg4#
- 1...d5
- 2.Scb3#
- 1...Rxe8!
- threat
- 1.Rd3+?
- 1...exd3
- 2.Sf3#
- 1...Bxd3!
- 1...exd3
- 1.Qe5+?
- 1...Bxe5
- 2.Se6#
- 1...dxe5
- 2.Se6#
- 1...Kxe5!
- 1...Bxe5
- 1.Qe6?
- threat
- 2.Sdb3#
- 2.Scb3#
- 2.Qd5#
- 2.Qxd6#
- 1...Rxg3
- 2.Qxe4#
- 1...Bxc6
- 2.Sf1#
- 2.Sdb3#
- 2.Scb3#
- 1...Sxc5
- 2.Sb3#
- 2.Qd5#
- 2.Qxd6#
- 1...dxc5
- 2.Sb3#
- 2.Qd5#
- 2.Qd6#
- 1...Qh5
- 2.Sdb3#
- 2.Sc4#
- 2.Scb3#
- 1...Rg5
- 2.Sdb3#
- 2.Scb3#
- 2.Qxe4#
- 1...Rg6
- 2.Sdb3#
- 2.Scb3#
- 2.Qd5#
- 2.Qxe4#
- 1...Rd8
- 2.Sdb3#
- 2.Scb3#
- 2.Sxa6#
- 2.Qd5#
- 1...Bc4
- 2.Sdb3#
- 2.Scb3#
- 1...Be5
- 2.Sdb3#
- 2.Scb3#
- 2.Qd5#
- 1...Bf8
- 2.Sdb3#
- 2.Scb3#
- 2.Qd5#
- 2.Qf6#
- 1...Se3
- 2.Sdb3#
- 2.Sf3#
- 1...Sc7
- 2.Sdb3#
- 2.Scb3#
- 2.Sb7#
- 1...b3
- 2.Sdxb3#
- 2.Scxb3#
- 2.Qxd6#
- 1...e3
- 2.Sdb3#
- 2.Sf3#
- 2.Rxg4#
- 2.Qd5#
- 2.Qxd6#
- 1...d5
- 2.Scb3#
- 2.Qxd5#
- 1...fxe6!
- threat
- 1.Sdxe4+?
- Keys
- 1.Qe7!
- threat
- 2.Qxd6#
- 1...Rxg3
- 2.Qxe4#
- 1...Bxc6
- 2.Sf1#
- 1...dxc5
- 2.Qd6#
- 1...Bc4
- 2.Sdb3#
- 1...Qh5
- 2.Sc4#
- 1...Rg5
- 2.Qxe4#
- 1...Rg6
- 2.Qxe4#
- 1...Rd8
- 2.Sxa6#
- 1...Be5
- 2.Se6#
- 1...Bf8
- 2.Qf6#
- 1...Se3
- 2.Sf3#
- 1...Sc7
- 2.Sb7#
- 1...d5
- 2.Scb3#
- threat
- 1.Qe7!
There are these versions: 78775
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD::R(A)+S(D)
- R(g);N_GUARD,XR(E)::QAR1(I),XP(f)
- R(g);N_GUARD::QAR1(I),XP(f)
- R(n);N_GUARD::B(G)+S(F),XS(i)
- B(h);N_GUARD::R(A)+S(D),XB(h)
- B(h);N_GUARD::R(A)+S(D)
- B(h);SBLOCK::R(A)+S(D),DCHECK
- B(h);N_GUARD,XP(H)::R(A)+S(D)
- B(m);SBLOCK::B(G)+S(F),DCHECK
- S(b);SBLOCK::R(A)+S(D),DCHECK
- S(i);N_GUARD::B(G)+S(F)
- P(c);S_CUTQ(a)::R(A)+S(D)
- P(j);SBLOCK::B(G)+S(F),DCHECK
- Tries
- Try
- S(D);CHECK,XP(f)
- Refutation
- Q(a);XR(A)
- Try
- B(B);XP(l)
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,XR(E)::QAR1(I),XP(f)
- S(i);P_SPINS(i),XS(F)::R(A)+S(D),DCHECK
- P(j);P_SPINP(j),XS(F)::R(A)+S(D),DCHECK
- P(j);::B(G)+S(F),DCHECK
- Refutation
- R(n);XQ(I)
- Try
- R(E);CHECK
- Vars
- P(f);XR(E)::S(D)
- Refutation
- B(h);XR(E)
- Try
- Q(I);CHECK
- Vars
- B(m);SBLOCK,XQ(I)::B(G)+S(F),DCHECK
- P(j);SBLOCK,XQ(I)::B(G)+S(F),DCHECK
- Refutation
- K(e);S_FLIGHT,XQ(I)
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- R(g);N_GUARD,XR(E)::QAR1(I),XP(f)
- Refutation
- P(l);XQ(I)
- Try
- Actual
- Q(I);
- Threat
- QAR2(I),XP(j)
- Vars
- R(g);N_GUARD,XR(E)::QAR1(I),XP(f)
- B(h);N_GUARD,XP(H)::R(A)+S(D)
- P(j);P_SPINP(j),XS(F)::QAR2(I)
- B(h);SBLOCK::R(A)+S(D),DCHECK
- Q(a);N_GUARD::R(A)+S(D)
- R(g);N_GUARD::QAR1(I),XP(f)
- R(n);N_GUARD::B(G)+S(F),XS(i)
- B(m);SBLOCK::B(G)+S(F),DCHECK
- B(m);N_GUARD::QAB(I)
- S(b);SBLOCK::R(A)+S(D),DCHECK
- S(i);N_GUARD::B(G)+S(F)
- P(j);SBLOCK::B(G)+S(F),DCHECK
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