MESON Chess Problem Database
Problem Display
PID: 173533 (8/n1B2K1p/8/N2k1N1Q/2R1p3/8/2b2q2/8 w - - 0 1)
Alaikov, Venelin
Problemista, 1965
#2
6 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qg1
- 2.Se3#
- 2.Sg3#
- 2.Se7#
- 1...Qe3
- 2.Sxe3#
- 2.Se7#
- 1...Qg3
- 2.Se3#
- 2.Sxg3#
- 2.Se7#
- 1...Qd4
- 2.Se3#
- 2.Sxd4#
- 2.Se7#
- 1...Qh4
- 2.Se3#
- 2.Sxh4#
- 2.Se7#
- 1...Qc5
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qb6
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qd2
- 2.Se3#
- 2.Se7#
- 1...Qe2
- 2.Se3#
- 2.Se7#
- 1...Qg2
- 2.Se3#
- 2.Sg3#
- 2.Se7#
- 1...Qh2
- 2.Se3#
- 2.Se7#
- 1...Qxf5+
- 2.Qxf5#
- 1...Qe1
- Tries
- 1.Ke8?
- threat
- 2.Qf7#
- 1...Ke6
- 2.Qf7#
- 1...Qxf5
- 2.Qxf5#
- 1...Qb6
- 2.Sd4#
- 2.Sg7#
- 1...Ba4+!
- threat
- 1.Kf8?
- threat
- 2.Qf7#
- 1...Qxf5+
- 2.Qxf5#
- 1...Ke6
- 2.Qf7#
- 1...Qb6
- 2.Sd4#
- 2.Sg7#
- 1...Qc5+!
- threat
- 1.Bf4?
- threat
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qg1
- 2.Se3#
- 2.Sg3#
- 2.Se7#
- 1...Qe3
- 2.Sxe3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qg3
- 2.Se3#
- 2.Sxg3#
- 2.Se7#
- 1...Qd4
- 2.Se3#
- 2.Sxd4#
- 2.Se7#
- 1...Qh4
- 2.Se3#
- 2.Sxh4#
- 2.Se7#
- 1...Qe2
- 2.Se3#
- 2.Se7#
- 1...Qg2
- 2.Se3#
- 2.Sg3#
- 2.Se7#
- 1...Qh2
- 2.Se3#
- 2.Sh4#
- 2.Se7#
- 1...Qf3
- 2.Se3#
- 2.Se7#
- 1...Bd1
- 2.Se3#
- 2.Se7#
- 1...Sc6
- 2.Se3#
- 2.Se7#
- 1...e3
- 2.Sxe3#
- 2.Se7#
- 1...h6
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sxh6#
- 2.Se7#
- 2.Sg7#
- 1...Qxf4!
- threat
- 1.Rd4+?
- 1...Qxd4
- 2.Se3#
- 2.Se7#
- 1...Kc5!
- 1...Qxd4
- 1.Qg6?
- threat
- 2.Qd6#
- 2.Qe6#
- 1...Qxf5+
- 2.Qxf5#
- 1...Qg3
- 2.Se7#
- 2.Qe6#
- 1...Qc5
- 2.Qe6#
- 1...Qb6
- 2.Se7#
- 1...Qh2
- 2.Se3#
- 2.Se7#
- 2.Qe6#
- 1...Qf4
- 2.Qe6#
- 1...Sb5
- 2.Qc6#
- 2.Qe6#
- 1...Sc8
- 2.Qc6#
- 2.Qe6#
- 1...hxg6!
- threat
- 1.Qh6?
- threat
- 2.Qd6#
- 2.Qe6#
- 1...Qg3
- 2.Se7#
- 2.Qe6#
- 1...Qc5
- 2.Qe6#
- 1...Qb6
- 2.Se7#
- 1...Qh2
- 2.Se3#
- 2.Se7#
- 2.Qe6#
- 1...Qf4
- 2.Qe6#
- 1...Sb5
- 2.Qc6#
- 2.Qe6#
- 1...Sc8
- 2.Qc6#
- 2.Qe6#
- 1...Qxf5+!
- threat
- 1.Ke8?
- Keys
- 1.Kf6!
- threat
- 2.Qf7#
- 1...Qd4+
- 2.Sxd4#
- 1...Qh4+
- 2.Sxh4#
- 1...Qb6+
- 2.Sd6#
- 1...Qxf5+
- 2.Qxf5#
- threat
- 1.Kf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(b);CHECK,OGATE,P_SPINQ(b),XS(C)::QAR2(D),XQ(b)
- Tries
- Try
- K(F);N_SPINS(C),S_FLIGHT
- Threat
- QAB(D)
- Vars
- K(d);S_FLIGHT::QAB1(D)
- Q(b);OGATE,P_SPINQ(b),XS(C)::QAR2(D),XQ(b)
- Refutation
- B(a);CHECK
- Try
- K(F);P-FLIGHT
- Threat
- QAB(D)
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),XS(C)::QAR2(D),XQ(b)
- K(d);S_FLIGHT::QAB1(D)
- Refutation
- Q(b);CHECK,N_PINS(C)
- Try
- B(E);N_SPINS(C)
- Threat
- DUALS(8)
- Refutation
- Q(b);P_PINS(C),XB(E)
- Try
- R(A);CHECK
- Refutation
- K(d);P-FLIGHT
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,OGATE,XS(C)::QAR2(D),XQ(b)
- Q(b);N_PINS(C)::QAB1(D)
- Q(b);N_PINS(C)::S(C)
- Q(b);::QAB1(D)
- Refutation
- P(f);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(b);N_PINS(C)::QAB1(D)
- Q(b);N_PINS(C)::S(C)
- Q(b);::QAB1(D)
- Refutation
- Q(b);CHECK,XS(C)
- Try
- Actual
- K(F);P-FLIGHT
- Threat
- QAB(D)
- Vars
- Q(b);CHECK,N_PINS(C)::QAR(D)+S(C),XQ(b)
- Q(b);CHECK,N_PINS(C)::QAR(D)+S(C)
- Q(b);CHECK,OGATE,P_SPINQ(b),XS(C)::QAR2(D),XQ(b)
Developed and maintained by Brian Stephenson.
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