MESON Chess Problem Database
Problem Display
PID: 7232 (Kn6/7p/1N2NR1b/1p1rk1P1/1Q4p1/5p1b/2B3pq/1n2r3 w - - 0 1)
Shire, David J
2nd Comm., Die Schwalbe, 1999/I
#2
7 + 13
| 4849 | The Sushkov Theme | 1999 |
| 3256 | David Shire Selected Chess Problems | 2001 |
| 23 | Die Schwalbe | 2003 |
| 56 | The Problemist | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qf4#
- 1...Qf4
- 2.Qxf4#
- 1...Qh1
- 2.Qf4#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 2.Qd4#
- 1...Rd6
- 2.Qxe1#
- 1...g3
- 2.Qf4#
- 1...Qg1
- Tries
- 1.Sf4?
- threat
- 2.Rf5#
- 2.Re6#
- 1...Qxf4
- 2.Qxf4#
- 1...Re4
- 2.Qxe4#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Rf5#
- 2.Qe7#
- 1...Rc5
- 2.Sd3#
- 2.Re6#
- 2.Qxc5#
- 1...Rd6
- 2.Rf5#
- 2.Qxd6#
- 1...g3!
- threat
- 1.Sc5?
- threat
- 2.Re6#
- 1...Rxc5
- 2.Qxc5#
- 1...Re4
- 2.Qxe4#
- 1...Rd3
- 2.Sxd3#
- 1...Rd6
- 2.Rf5#
- 1...g3
- 2.Qf4#
- 1...Rd4!
- threat
- 1.Sc7?
- threat
- 2.Rf5#
- 2.Re6#
- 1...Qf4
- 2.Re6#
- 2.Qxf4#
- 1...Re4
- 2.Qxe4#
- 1...Rd4
- 2.Rf5#
- 2.Qe7#
- 1...Rc5
- 2.Re6#
- 2.Qxc5#
- 1...Rd6
- 2.Rf5#
- 2.Qxd6#
- 1...g3
- 2.Qf4#
- 1...Rd3!
- threat
- 1.Sg7?
- threat
- 2.Rf5#
- 2.Re6#
- 1...Qf4
- 2.Re6#
- 2.Qxf4#
- 1...Re4
- 2.Rf5#
- 2.Qxe4#
- 1...Rd4
- 2.Rf5#
- 2.Qe7#
- 1...Rc5
- 2.Re6#
- 2.Qxc5#
- 1...Rd6
- 2.Rf5#
- 2.Qxd6#
- 1...g3
- 2.Qf4#
- 1...Bxg7!
- threat
- 1.Sd8?
- threat
- 2.Sf7#
- 2.Rf5#
- 2.Re6#
- 1...Bxg5
- 2.Rf5#
- 2.Re6#
- 1...Qf4
- 2.Sf7#
- 2.Re6#
- 2.Qxf4#
- 1...Re4
- 2.Sf7#
- 2.Qxe4#
- 1...Rd3
- 2.Sf7#
- 1...Rd4
- 2.Sf7#
- 2.Rf5#
- 2.Qe7#
- 1...Rc5
- 2.Sf7#
- 2.Re6#
- 2.Qxc5#
- 1...Rd6
- 2.Sf7#
- 2.Rf5#
- 2.Qxd6#
- 1...Rd7
- 2.Rf5#
- 2.Re6#
- 1...g3
- 2.Sf7#
- 2.Qf4#
- 1...Rxd8!
- threat
- 1.Qc3+?
- 1...Kd6
- 2.Qc7#
- 1...Rd4
- 2.Qxd4#
- 1...Sxc3!
- 1...Kd6
- 1.Sf4?
- Keys
- 1.Sd4!
- threat
- 2.Rf5#
- 1...Rxd4
- 2.Qe7#
- 1...Qf4
- 2.Re6#
- 1...Rc5
- 2.Qxc5#
- 1...g3
- 2.Sxf3#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- Q(d);N_GUARD::QAB1(B)
- Q(d);N_GUARD::QAB1(B),XQ(d)
- R(i);N_GUARD::QAB1(B),XR(i)
- R(i);SBLOCK::QAR(B),XR(b)
- P(g);S_CUTQ(d)::QAB1(B)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);OGATE,XS(E)::QAB1(B),XQ(d)
- R(b);N_GUARD::QAR1(B),XR(b)
- R(i);N_GUARD::S(E),XR(i)
- Refutation
- P(g);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- R(i);OGATE,XS(E)::QAR2(B),XR(i)
- R(b);N_GUARD::QAR1(B),XR(b)
- R(i);N_GUARD::S(E),XR(i)
- R(i);SBLOCK::R1(F)
- P(g);S_CUTQ(d)::QAB1(B)
- Refutation
- R(i);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAR1(B),XR(b)
- P(g);S_CUTQ(d)::QAB1(B)
- Refutation
- R(i);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(g);S_CUTQ(d)::QAB1(B)
- Refutation
- B(k);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(i);::S(E)
- Refutation
- R(i);XS(E)
- Try
- Q(B);CHECK
- Vars
- K(j);S_FLIGHT::QAB1(B)
- R(i);N_GUARD,P_SPINR(i)::QAB1(B),XR(i)
- Refutation
- S(a);XQ(B)
- Try
- Actual
- S(E);
- Threat
- R1(F)
- Vars
- R(i);SBLOCK,XS(E)::QAR2(B)
- Q(d);SBLOCK::R1(F)
- R(i);OGATEB::QAR2(B),XR(i)
- P(g);N_GUARD::S(E),XP(e)
Developed and maintained by Brian Stephenson.
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