MESON Chess Problem Database
Problem Display
PID: 89834 (q7/2NR1QNb/1p6/4p3/2p1k3/3r1pK1/1b3B2/1B2n3 w - - 0 1)
Heyl, Peter
Die Schwalbe, 1998
#2
7 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Qxd5#
- 1...Qa1
- 2.Qd5#
- 1...Qa2
- 2.Qd5#
- 1...Qa3
- 2.Qd5#
- 1...Qa4
- 2.Qd5#
- 1...Qa6
- 2.Qd5#
- 1...Qa7
- 2.Qd5#
- 1...Qb8
- 2.Qd5#
- 1...Qc8
- 2.Qd5#
- 1...Qd8
- 2.Qd5#
- 1...Qe8
- 2.Qd5#
- 1...Qf8
- 2.Qd5#
- 1...Qh8
- 2.Qd5#
- 1...Bc1
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...Bf5
- 2.Qxf5#
- 1...Bg6
- 2.Qxg6#
- 1...Bg8
- 2.Qg6#
- 2.Qf5#
- 1...Sg2
- 2.Qxf3#
- 1...c3
- 2.Qc4#
- 1...Qd5
- Tries
- 1.Sxa8?
- threat
- 2.Qd5#
- 1...Bg8
- 2.Qg6#
- 2.Qf5#
- 1...Sc2!
- threat
- 1.Sce8?
- threat
- 2.Sd6#
- 2.Sf6#
- 1...Qxe8
- 2.Qd5#
- 1...Qd5
- 2.Sf6#
- 2.Qxd5#
- 1...Qa3
- 2.Sf6#
- 2.Qd5#
- 1...Qb8
- 2.Sf6#
- 2.Qd5#
- 1...Qd8
- 2.Sd6#
- 2.Qd5#
- 1...Ba3
- 2.Sf6#
- 2.Qxc4#
- 1...Sc2
- 2.Sf6#
- 1...Qc6!
- threat
- 1.Sge6?
- threat
- 2.Sg5#
- 2.Qxh7#
- 1...Qd8
- 2.Qxh7#
- 1...Qe8
- 2.Sg5#
- 1...Qf8
- 2.Sg5#
- 1...Qh8
- 2.Sg5#
- 1...Bc1
- 2.Qxh7#
- 1...Bf5
- 2.Sg5#
- 1...Bg6
- 2.Sg5#
- 2.Qxg6#
- 1...Bg8
- 2.Sg5#
- 2.Qg6#
- 1...Qg8+!
- threat
- 1.Bxd3+?
- 1...Sxd3
- 2.Qxf3#
- 1...cxd3!
- 1...Sxd3
- 1.Rxd3?
- threat
- 2.Rd4#
- 1...Sxd3
- 2.Qxf3#
- 1...Sc2
- 2.Qxf3#
- 1...Bd4
- 2.Re3#
- 2.Rxd4#
- 1...cxd3!
- threat
- 1.Rd4+?
- 1...exd4
- 2.Qe6#
- 2.Qf4#
- 2.Qe7#
- 1...Bxd4!
- 1...exd4
- 1.Qh5?
- threat
- 2.Qg4#
- 2.Qh4#
- 2.Qxh7#
- 1...Qc6
- 2.Qg4#
- 2.Qh4#
- 1...Qd8
- 2.Qg4#
- 2.Qxh7#
- 1...Qe8
- 2.Qg4#
- 2.Qh4#
- 1...Qg8
- 2.Qg4#
- 2.Qh4#
- 1...Qh8
- 2.Qg4#
- 2.Qh4#
- 1...Bc1
- 2.Qxh7#
- 1...Bf5
- 2.Qxf5#
- 1...Bg6
- 2.Qg4#
- 2.Qxg6#
- 2.Qh4#
- 1...Bg8
- 2.Qg4#
- 2.Qg6#
- 2.Qh4#
- 2.Qf5#
- 1...Sg2
- 2.Qxf3#
- 2.Qxh7#
- 1...Qf8!
- threat
- 1.Qe6?
- threat
- 2.Qg4#
- 1...Qf8
- 2.Qd5#
- 2.Qc6#
- 1...Bc1
- 2.Rd4#
- 2.Qxc4#
- 1...Bf5
- 2.Qxf5#
- 1...Sg2!
- threat
- 1.Qf6?
- threat
- 2.Qh4#
- 1...Qd8
- 2.Qc6#
- 1...Qf8
- 2.Qc6#
- 1...Bf5
- 2.Qxf5#
- 1...Sg2
- 2.Qxf3#
- 1...Bc1!
- threat
- 1.Sxa8?
- Keys
- 1.Re7!
- threat
- 2.Qf4#
- 1...Qf8
- 2.Qd5#
- 1...Bc1
- 2.Qxc4#
- 1...Bf5
- 2.Qxf5#
- 1...Sg2
- 2.Qxf3#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- Q(j);N_GUARD::QAB1(F),XQ(j)
- Q(j);N_GUARD::QAB1(F)
- B(b);N_GUARD::QAR2(F),XP(e)
- B(i);N_GUARD::QAB1(F),XB(i)
- B(i);N_GUARD::QAB(F),XB(i)
- S(a);N_GUARD::QAB1(F),XP(d)
- P(e);S_CUTB(b)::QAR2(F)
- Tries
- Try
- S(D);XQ(j)
- Threat
- QAB1(F)
- Refutation
- S(a);N_SPINR(c)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,XS(D)::QAB1(F)
- S(a);N_SPINR(c)::S(D)
- Refutation
- Q(j);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(j);::QAB(F),XB(i)
- Q(j);::S(G)
- B(b);::QAB(F),XB(i)
- B(i);::S(G)
- Refutation
- Q(j);CHECK
- Try
- B(A);CHECK,XR(c)
- Vars
- S(a);XB(A)::QAB1(F),XP(d)
- Refutation
- P(e);XB(A)
- Try
- R(E);XR(c)
- Threat
- B(A)+R(E),DCHECK
- Vars
- S(a);N_GUARD,P_SPINS(a),XR(E)::QAB1(F),XP(d)
- S(a);N_GUARD::QAB1(F),XP(d)
- Refutation
- P(e);P_SPINP(e),XR(E)
- Try
- R(E);CHECK
- Refutation
- B(b);XR(E)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(b);::QAB(F),XB(i)
- B(i);N_GUARD::QAB1(F),XB(i)
- Refutation
- Q(j);
- Try
- Q(F);P_PINP(g)
- Threat
- QAR2(F)
- Vars
- B(i);N_GUARD::QAB1(F),XB(i)
- Refutation
- S(a);
- Try
- Q(F);
- Threat
- QAR(F)
- Vars
- Q(j);N_GUARD::QAB(F)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(a);N_GUARD::QAB1(F),XP(d)
- Refutation
- B(b);
- Try
- Actual
- R(E);P_PINP(g)
- Threat
- QAR1(F)
- Vars
- Q(j);N_GUARD::QAB1(F)
- B(b);N_GUARD::QAR2(F),XP(e)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(a);N_GUARD::QAB1(F),XP(d)
Developed and maintained by Brian Stephenson.
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