MESON Chess Problem Database
Problem Display
PID: 90592 (1K6/pppB2p1/q7/2N3r1/3BPk1P/2R1NP1R/8/7n w - - 0 1)
Beck, Friedrich
Die Schwalbe, 1964
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Se6#
- 1...Qe2
- 2.Se6#
- 1...Qd3
- 2.Sxd3#
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qa1
- 2.Sd3#
- 2.Se6#
- 1...Qa2
- 2.Sd3#
- 1...Qa3
- 2.Sd3#
- 2.Se6#
- 1...Qa4
- 2.Sd3#
- 2.Se6#
- 1...Qa5
- 2.Sd3#
- 2.Se6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 1...Qf6
- 2.Sd3#
- 1...Qg6
- 2.Sd3#
- 1...Qh6
- 2.Sd3#
- 1...Rg1
- 2.Sd5#
- 1...Rg2
- 2.Sxg2#
- 2.Sd5#
- 1...Rg3
- 2.Sd5#
- 1...Rg4
- 2.Sd5#
- 1...Rxc5
- 2.Sg2#
- 1...Rd5
- 2.Sg2#
- 2.Sxd5#
- 1...Re5
- 2.Sg2#
- 1...Rf5
- 2.Sg2#
- 1...Rh5
- 2.Sg2#
- 1...Rg6
- 2.Sd5#
- 1...Sg3
- 2.Sg2#
- 1...b5
- 2.Sd3#
- 1...b6
- 2.Se6#
- 1...c6
- 2.Se6#
- 1...Qf1
- Tries
- 1.Be5+?
- 1...Rxe5
- 2.Sg2#
- 1...Kxe5!
- 1...Rxe5
- 1.Bb5?
- threat
- 2.Sd3#
- 1...Qxb5
- 2.Se6#
- 1...Rxc5
- 2.Sg2#
- 1...Rg3
- 2.Sd5#
- 1...Sg3
- 2.Sg2#
- 1...Sf2!
- threat
- 1.Bf5?
- threat
- 2.Sd5#
- 1...Rxf5
- 2.Sg2#
- 1...Qa2
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 1...c6
- 2.Se6#
- 1...Qc4!
- threat
- 1.Bc6?
- threat
- 2.Se6#
- 1...Qxc6
- 2.Sd3#
- 1...Rxc5
- 2.Sg2#
- 1...Rg3
- 2.Sd5#
- 1...Sg3
- 2.Sg2#
- 1...Qa2
- 2.Sd3#
- 1...Re5
- 2.Sg2#
- 1...Rg6
- 2.Sd5#
- 1...Qc4!
- threat
- 1.e5?
- threat
- 2.Sd5#
- 1...Rxe5
- 2.Sg2#
- 1...Qa2
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 1...c6
- 2.Se6#
- 1...Qc4!
- threat
- 1.Be5+?
- Keys
- 1.Bg4!
- threat
- 2.Sg2#
- 1...Rxg4
- 2.Sd5#
- 1...Qf1
- 2.Se6#
- 1...Qe2
- 2.Se6#
- 1...Qa2
- 2.Sd3#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 18
- Sets
- Q(d);N_GUARD::S(H)
- R(c);N_GUARD::S(B)
- R(c);N_GUARD,XS(H)::S(B)
- S(a);S_CUTR(c)::S(B)
- P(f);S_CUTQ(d)::S(H)
- P(g);S_CUTQ(d)::S(H)
- Tries
- Try
- B(E);CHECK
- Vars
- R(c);SBLOCK,XB(E)::S(B)
- Refutation
- K(b);S_FLIGHT,XB(E)
- Try
- B(I);
- Threat
- S(H)
- Vars
- Q(d);N_GUARD,XB(I)::S(H)
- R(c);N_GUARD,XS(H)::S(B)
- R(c);N_GUARD::S(B)
- S(a);S_CUTR(c)::S(B)
- Refutation
- S(a);
- Try
- B(I);
- Threat
- S(B)
- Vars
- R(c);N_GUARD,XB(I)::S(B)
- Q(d);N_GUARD::S(H)
- P(g);S_CUTQ(d)::S(H)
- Refutation
- Q(d);
- Try
- B(I);
- Threat
- S(H)
- Vars
- Q(d);N_GUARD,XB(I)::S(H)
- R(c);N_GUARD,XS(H)::S(B)
- R(c);N_GUARD::S(B)
- S(a);S_CUTR(c)::S(B)
- Q(d);N_GUARD::S(H)
- Refutation
- Q(d);
- Try
- P(F);
- Threat
- S(B)
- Vars
- R(c);N_GUARD,XP(F)::S(B)
- Q(d);N_GUARD::S(H)
- P(g);S_CUTQ(d)::S(H)
- Refutation
- Q(d);
- Try
- Actual
- B(I);
- Threat
- S(B)
- Vars
- R(c);N_GUARD,XB(I)::S(B)
- Q(d);N_GUARD::S(H)
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