MESON Chess Problem Database
Problem Display
PID: 55390 (2B2r2/qpp1B2N/5p1R/1N1pk1r1/3p2R1/3Q2P1/4PK2/8 w - - 0 1)
Touw Hian Bwee
Schakend Nederland, 1964
#2
10 + 9
| 3747 | FIDE Album (1962-1964) | 1968 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Qxd4#
- 1...Qa2
- 2.Qxd4#
- 1...Qa3
- 2.Qxd4#
- 1...Qa5
- 2.Qxd4#
- 1...Qa6
- 2.Qxd4#
- 1...Qa8
- 2.Qxd4#
- 1...Rxg4
- 2.Qf5#
- 1...Rf5+
- 2.Qxf5#
- 1...Rg6
- 2.Qf5#
- 1...Rg7
- 2.Qf5#
- 1...Rgg8
- 2.Qf5#
- 1...Rd8
- 2.Bxf6#
- 1...Re8
- 2.Bxf6#
- 1...Rfg8
- 2.Bxf6#
- 1...Rh8
- 2.Bxf6#
- 1...f5
- 2.Re6#
- 1...b6
- 2.Qxd4#
- 1...c5
- 2.Bd6#
- 1...c6
- 2.Bd6#
- 1...Qb8
- Tries
- 1.Sxd4?
- threat
- 2.Qe3#
- 1...Qxd4+
- 2.Qxd4#
- 1...Rf5+
- 2.Qxf5#
- 1...Qa3
- 2.Sf3#
- 1...Rxg4!
- threat
- 1.Sxg5?
- threat
- 2.Sf3#
- 2.Qf5#
- 1...Rxc8
- 2.Bxf6#
- 1...f5
- 2.Sf3#
- 2.Re6#
- 1...fxg5+!
- threat
- 1.Sxf8?
- threat
- 2.Bxf6#
- 1...Rf5+
- 2.Qxf5#
- 1...Qa6
- 2.Qxd4#
- 1...Rg6
- 2.Sxg6#
- 2.Qf5#
- 1...f5
- 2.Sd7#
- 2.Bf6#
- 2.Re6#
- 1...Qb6!
- threat
- 1.Rxd4?
- threat
- 2.Qe3#
- 1...Qxd4+
- 2.Qxd4#
- 1...Rf5+
- 2.Qxf5#
- 1...Rxg3
- 2.Qf5#
- 2.Qxg3#
- 1...Qa3
- 2.Rxd5#
- 1...Rg4
- 2.Qf5#
- 1...Rxc8!
- threat
- 1.Rxg5+?
- 1...f5
- 2.Re6#
- 1...fxg5+!
- 1...f5
- 1.Rxf6?
- threat
- 2.Rxg5#
- 1...Rf5+
- 2.Qxf5#
- 1...Rxf6+
- 2.Bxf6#
- 1...Rxg4
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rg7
- 2.Qf5#
- 1...Rgg8
- 2.Qf5#
- 1...Rfg8
- 2.Re6#
- 1...Rh5!
- threat
- 1.Qf3?
- threat
- 2.Qf4#
- 1...Rxg4
- 2.Qf5#
- 1...Rxc8
- 2.Qxf6#
- 1...Rf5
- 2.Qxf5#
- 1...d3+!
- threat
- 1.Sxd4?
- Keys
- 1.Sxf6!
- threat
- 2.Rxg5#
- 1...Rf5+
- 2.Qxf5#
- 1...Rxf6+
- 2.Bxf6#
- 1...Rxg4
- 2.Qf5#
- 1...Rxc8
- 2.Sd7#
- 1...Rh5
- 2.Rxh5#
- 1...Rg6
- 2.Qf5#
- 1...Rg7
- 2.Qf5#
- 1...Rgg8
- 2.Qf5#
- 1...Rfg8
- 2.Sd7#
- threat
- 1.Sxf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- Q(f);N_GUARD::QAB1(C),XP(a)
- Q(f);N_GUARD,P_PINP(A)::QAB1(C),XP(a)
- R(d);N_GUARD,XR(E)::QAR1(C)
- R(d);CHECK,N_GUARD::QAR1(C),XR(d)
- R(d);N_GUARD::QAR1(C)
- R(i);N_GUARD::B(H),XP(e)
- P(e);OGATE::R1(G)
- P(g);S_CUTQ(f)::QAB1(C),XP(a)
- P(h);N_GUARD::B(H)
- Tries
- Try
- S(F);P_SPINS(F),XP(a)
- Threat
- QAR2(C)
- Vars
- Q(f);CHECK,OGATE,XS(F)::QAB1(C),XQ(f)
- R(d);CHECK,N_GUARD::QAR1(C),XR(d)
- Q(f);N_PINS(F)::S(F)
- Refutation
- R(d);XR(E)
- Try
- S(I);XR(d)
- Threat
- DUALS(2)
- Vars
- R(i);N_GUARD,XB(J)::B(H),XP(e)
- Refutation
- P(e);CHECK,XS(I)
- Try
- S(I);XR(i)
- Threat
- B(H),XP(e)
- Vars
- R(d);CHECK,N_GUARD::QAR1(C),XR(d)
- Q(f);N_GUARD::QAB1(C),XP(a)
- Refutation
- Q(f);
- Try
- R(E);P_SPINR(E),XP(a)
- Threat
- QAR2(C)
- Vars
- Q(f);CHECK,OGATE,XR(E)::QAB1(C),XQ(f)
- R(d);CHECK,N_GUARD::QAR1(C),XR(d)
- Q(f);N_PINR(E)::R1(E),XP(b)
- R(d);N_GUARD::QAR1(C)
- Refutation
- R(i);XB(J)
- Try
- R(E);CHECK,XR(d)
- Vars
- P(e);OGATE,P_SPINP(e)::R1(G)
- Refutation
- P(e);CHECK,XR(E)
- Try
- R(G);P_SPINR(G),XP(e)
- Threat
- R(E),XR(d)
- Vars
- R(d);CHECK,N_GUARD,N_PINR(G)::QAR1(C),XR(d)
- R(i);CHECK,OGATE,XR(G)::B(H),XR(i)
- R(d);N_GUARD,XR(E)::QAR1(C)
- R(d);N_GUARD::QAR1(C)
- R(i);N_PINR(G)::R1(G)
- Refutation
- R(d);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- R(d);N_GUARD,XR(E)::QAR1(C)
- R(i);N_GUARD,XB(J)::QAB1(C),XP(e)
- R(d);N_GUARD,P_PINQ(C)::QAR1(C),XR(d)
- Refutation
- P(a);CHECK
- Try
- Actual
- S(I);P_SPINS(I),XP(e)
- Threat
- R(E),XR(d)
- Vars
- R(d);CHECK,N_GUARD,N_PINS(I)::QAR1(C),XR(d)
- R(i);CHECK,OGATE,XS(I)::B(H),XR(i)
- R(d);N_GUARD,XR(E)::QAR1(C)
- R(i);N_PINS(I),XB(J)::S(I)
- R(d);OGATEB::R(G),XR(d)
- R(d);N_GUARD::QAR1(C)
- R(i);N_PINS(I)::S(I)
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