MESON Chess Problem Database
Problem Display
PID: 227118 (2nQ4/6b1/3p1R2/2rBkN2/5nK1/5PP1/8/6B1 w - - 0 1)
Fastosky, Pedro
El Ajedrez Espanol, 1960
#2
8 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.gxf4#
- 1...Sxd5
- 2.Bd4#
- 1...Sb6
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...Rxd5
- Tries
- 1.Sxg7?
- threat
- 2.Rf5#
- 1...Se7
- 2.Qxd6#
- 1...Kxd5!
- threat
- 1.Ba2?
- threat
- 2.Bd4#
- 2.gxf4#
- 1...Se7
- 2.Bd4#
- 2.Qxd6#
- 1...Rd5
- 2.gxf4#
- 1...Bh6
- 2.Bd4#
- 1...Se2
- 2.Re6#
- 1...Sg2
- 2.Bd4#
- 2.Re6#
- 1...Sd3
- 2.Bd4#
- 2.Re6#
- 1...Sh3
- 2.Bd4#
- 2.Re6#
- 1...Sd5
- 2.Bd4#
- 1...Sh5
- 2.Bd4#
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Bd4#
- 2.Re6#
- 1...Rc4!
- threat
- 1.Bb3?
- threat
- 2.Bd4#
- 2.gxf4#
- 1...Se7
- 2.Bd4#
- 2.Qxd6#
- 1...Rd5
- 2.gxf4#
- 1...Bh6
- 2.Bd4#
- 1...Se2
- 2.Re6#
- 1...Sg2
- 2.Bd4#
- 2.Re6#
- 1...Sd3
- 2.Bd4#
- 2.Re6#
- 1...Sh3
- 2.Bd4#
- 2.Re6#
- 1...Sd5
- 2.Bd4#
- 1...Sh5
- 2.Bd4#
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Bd4#
- 2.Re6#
- 1...Rc4!
- threat
- 1.Bc4?
- threat
- 2.Bd4#
- 2.gxf4#
- 1...Se7
- 2.Bd4#
- 2.Qxd6#
- 1...Rd5
- 2.gxf4#
- 1...Bh6
- 2.Bd4#
- 1...Se2
- 2.Re6#
- 1...Sg2
- 2.Bd4#
- 2.Re6#
- 1...Sd3
- 2.Bd4#
- 2.Re6#
- 1...Sh3
- 2.Bd4#
- 2.Re6#
- 1...Sd5
- 2.Bd4#
- 1...Sh5
- 2.Bd4#
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Bd4#
- 2.Re6#
- 1...Rxc4!
- threat
- 1.Rxd6?
- threat
- 2.Bd4#
- 2.gxf4#
- 1...Rxd5
- 2.gxf4#
- 1...Sxd5
- 2.Bd4#
- 1...Sxd6
- 2.Qxd6#
- 1...Bh6
- 2.Bd4#
- 2.Qf6#
- 1...Se2
- 2.Re6#
- 1...Sg2
- 2.Bd4#
- 2.Re6#
- 1...Sd3
- 2.Bd4#
- 2.Re6#
- 1...Sh3
- 2.Bd4#
- 2.Re6#
- 1...Sh5
- 2.Bd4#
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Bd4#
- 2.Re6#
- 1...Rc4!
- threat
- 1.Qe7+?
- 1...Kxd5
- 2.Qe4#
- 1...Se6
- 2.Qxe6#
- 1...Sxe7!
- 1...Kxd5
- 1.Qe8+?
- 1...Kxd5
- 2.Qe4#
- 1...Kxf6
- 2.Bd4#
- 1...Se6
- 2.Qxe6#
- 1...Se7!
- 1...Kxd5
- 1.Sxg7?
- Keys
- 1.Se7!
- threat
- 2.Rf5#
- 1...Kxf6
- 2.Bd4#
- 1...Rxd5
- 2.Sc6#
- 1...Bxf6
- 2.gxf4#
- 1...Sxd5
- 2.Sg6#
- 1...Sxe7
- 2.Qxd6#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(b);SBLOCK,XB(E)::P(C),XS(a)
- S(a);SBLOCK,XB(E)::B(A)
- S(f);N_GUARD::QAB1(H),XP(d)
- Tries
- Try
- S(F);XB(e)
- Threat
- R1(G)
- Vars
- S(f);N_GUARD::QAB1(H),XP(d)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d),XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);::P(C),XS(a)
- B(e);::B(A)
- S(a);N_GUARD::R1(G)
- S(a);::B(A)
- S(a);N_GUARD::R1(G),XS(a)
- Refutation
- R(b);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);::P(C),XS(a)
- B(e);::B(A)
- S(a);N_GUARD::R1(G)
- S(a);::B(A)
- S(a);N_GUARD::R1(G),XS(a)
- Refutation
- R(b);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);::P(C),XS(a)
- B(e);::B(A)
- S(a);N_GUARD::R1(G)
- S(a);::B(A)
- S(a);N_GUARD::R1(G),XS(a)
- Refutation
- R(b);XB(E)
- Try
- R(G);XP(d)
- Threat
- DUALS(2)
- Vars
- R(b);XB(E)::P(C),XS(a)
- S(a);XB(E)::B(A)
- S(f);OGATE,XR(G)::QAB1(H),XS(f)
- S(a);N_GUARD::R1(G)
- S(a);N_GUARD::R1(G),XS(a)
- Refutation
- R(b);
- Try
- Q(H);CHECK
- Vars
- K(c);OGATE,P-FLIGHT,XB(E)::QAB1(H)
- S(a);N_GUARD,P_SPINS(a)::QAR1(H),XS(a)
- Refutation
- S(f);XQ(H)
- Try
- Q(H);CHECK
- Vars
- K(c);OGATE,P-FLIGHT,XB(E)::QAB1(H)
- K(c);S_FLIGHT,XR(G)::B(A)
- S(a);N_GUARD,P_SPINS(a)::QAR1(H),XS(a)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- S(F);
- Threat
- R1(G)
- Vars
- K(c);S_FLIGHT,XR(G)::B(A)
- R(b);N_GUARD,SBLOCK,XB(E)::S(F)
- B(e);SBLOCK,XR(G)::P(C),XS(a)
- S(a);N_GUARD,SBLOCK,XB(E)::S(F)
- S(f);N_GUARD,XS(F)::QAB1(H),XP(d)
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