MESON Chess Problem Database
Problem Display
PID: 80199 (K1R1R3/1p6/3P4/p1Bk1B2/r1p5/3p3p/1q6/1Q5b w - - 0 1)
Touw Hian Bwee
Probleemblad, 1982
#2
7 + 9
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
| 133 | The Problemist Supplement | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Qxb7#
- 1...Qc1
- 2.Qxb7#
- 1...Qa3
- 2.Qxh1#
- 2.Qxb7#
- 1...Qc3
- 2.Qxh1#
- 2.Qxb7#
- 1...Qd4
- 2.Qxb7#
- 1...Qe5
- 2.Qxb7#
- 1...Qf6
- 2.Qxh1#
- 2.Qxb7#
- 1...Qh8
- 2.Qxh1#
- 2.Qxb7#
- 1...Qa2
- 2.Qxb7#
- 1...Qc2
- 2.Qxb7#
- 1...Qd2
- 2.Qxb7#
- 1...Qe2
- 2.Qxb7#
- 1...Qf2
- 2.Qxb7#
- 1...Qg2
- 2.Qxb7#
- 1...Qh2
- 2.Qxb7#
- 1...Qb3
- 2.Qxh1#
- 1...Qb4
- 2.Qxh1#
- 1...Qb5
- 2.Qxh1#
- 1...Qb6
- 2.Qxh1#
- 1...Be4
- 2.Bxe4#
- 1...d2
- 2.Qxh1#
- 1...Qa1
- Tries
- 1.Bh7?
- threat
- 2.Bg8#
- 1...Qe5
- 2.Qxb7#
- 1...Qf6
- 2.Qxb7#
- 1...Qh8
- 2.Qxh1#
- 2.Qxb7#
- 1...Qe2
- 2.Qxb7#
- 1...Qf2
- 2.Qxb7#
- 1...Qg2
- 2.Qxb7#
- 1...Qg7!
- threat
- 1.Re3?
- threat
- 2.Be6#
- 1...Qe5
- 2.Qxb7#
- 1...Qf6
- 2.Qxh1#
- 2.Qxb7#
- 1...Be4!
- threat
- 1.Re5+?
- 1...Qxe5
- 2.Qxb7#
- 1...Kxe5!
- 1...Qxe5
- 1.Qxd3+?
- 1...Qd4
- 2.Qxd4#
- 1...cxd3!
- 1...Qd4
- 1.Qe1?
- threat
- 2.Be6#
- 2.Qe6#
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Qf6
- 2.Qxh1#
- 1...Be4
- 2.Bxe4#
- 2.Qxe4#
- 1...Qe2!
- threat
- 1.Qxb2?
- threat
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 2.Qxb7#
- 1...Rb4
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...b5
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...b6
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...c3!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Qxb1
- 2.d8Q#
- 2.d8R#
- 1...Qg7
- 2.Qxb7#
- 1...Qa1
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qc1
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qa3
- 2.Qxh1#
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qc3
- 2.Qxh1#
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qd4
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qe5
- 2.Qxb7#
- 1...Qf6
- 2.Qxh1#
- 1...Qh8
- 2.Qxh1#
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qa2
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qc2
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qd2
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qe2
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qf2
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qg2
- 2.Qxb7#
- 2.d8Q#
- 2.d8R#
- 1...Qh2
- 2.Qxb7#
- 1...Qb3
- 2.Qxh1#
- 2.d8Q#
- 2.d8R#
- 1...Qb4
- 2.Qxh1#
- 2.d8Q#
- 2.d8R#
- 1...Qb5
- 2.Qxh1#
- 1...Qb6
- 2.Qxh1#
- 1...Ra1
- 2.d8Q#
- 2.d8R#
- 1...Ra2
- 2.d8Q#
- 2.d8R#
- 1...Ra3
- 2.d8Q#
- 2.d8R#
- 1...Rb4
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.d8Q#
- 2.d8R#
- 1...Bf3
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.Bxe4#
- 2.d8Q#
- 2.d8R#
- 1...d2
- 2.Qxh1#
- 2.d8Q#
- 2.d8R#
- 1...h2
- 2.d8Q#
- 2.d8R#
- 1...b5
- 2.d8Q#
- 2.d8R#
- 1...b6
- 2.d8Q#
- 2.d8R#
- 1...c3!
- threat
- 1.Bh7?
- Keys
- 1.Bg6!
- threat
- 2.Bf7#
- 1...Qe5
- 2.Qxb7#
- 1...Qf6
- 2.Qxb7#
- 1...Qg7
- 2.Qxh1#
- 1...Qe2
- 2.Qxb7#
- 1...Qf2
- 2.Qxb7#
- threat
- 1.Bg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- Q(b);OGATE::QAB(A),XP(i)
- Q(b);N_GUARD::QAB(A),XB(a)
- B(a);N_GUARD::B(C),XB(a)
- P(c);S_CUTQ(b)::QAB(A),XB(a)
- Tries
- Try
- B(C);
- Threat
- B(C)
- Vars
- Q(b);OGATE::QAB(A),XP(i)
- Refutation
- Q(b);
- Try
- R(G);
- Threat
- B(C)
- Vars
- Q(b);OGATE::QAB(A),XP(i)
- Refutation
- B(a);
- Try
- R(G);CHECK
- Vars
- Q(b);OGATE,SBLOCK,XR(G)::QAB(A),XP(i)
- Refutation
- K(h);P-FLIGHT,XR(G)
- Try
- Q(A);CHECK,XP(c)
- Vars
- Q(b);N_GUARD,P_SPINQ(b)::QAR1(A),XQ(b)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::QAB(A),XB(a)
- Refutation
- Q(b);
- Try
- Q(A);XQ(b)
- Threat
- DUALS(4)
- Refutation
- P(f);
- Try
- P(D);
- Threat
- P=Q
- Vars
- Q(b);XQ(A)::P=Q
- Q(b);OGATE::QAB(A),XP(i)
- Q(b);N_GUARD::QAB(A),XB(a)
- R(e);::P=Q
- B(a);::P=Q
- P(d);::P=Q
- P(i);::P=Q
- Refutation
- P(f);
- Try
- Actual
- B(C);
- Threat
- B(C)
- Vars
- Q(b);OGATE::QAB(A),XP(i)
- Q(b);N_GUARD::QAB(A),XB(a)
Developed and maintained by Brian Stephenson.
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