MESON Chess Problem Database
Problem Display
PID: 172075 (8/K4Q2/1P2N3/R1B2PP1/2PpkP2/1n2P2q/4P1N1/b2r4 w - - 0 1)
Apro, Laszlo
British Chess Magazine, 1977
#2
13 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sxc5
- 2.Sxc5#
- 1...Sxc5
- Tries
- 1.Sxd4?
- threat
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qb7#
- 2.Qe7#
- 1...Qxg2
- 2.Qe6#
- 2.Qe8#
- 2.Qe7#
- 1...Qxf5
- 2.Qxf5#
- 1...Rxd4
- 2.Qe6#
- 1...Bxd4
- 2.Qd5#
- 1...Sxd4
- 2.Qd5#
- 1...Sxa5
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qe7#
- 1...Sxc5
- 2.Qd5#
- 1...Qh5
- 2.Qd5#
- 2.Qe6#
- 2.Qb7#
- 2.Qe7#
- 1...Qh6
- 2.Qd5#
- 1...Qh8
- 2.Qd5#
- 2.Qb7#
- 1...Qh7!
- threat
- 1.Sg7?
- threat
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qb7#
- 2.Qe7#
- 1...Qxg2
- 2.Qe6#
- 2.Qe8#
- 2.Qe7#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxa5
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qe7#
- 1...Sxc5
- 2.Qd5#
- 1...Qh5
- 2.Qd5#
- 2.Qe6#
- 2.Qb7#
- 2.Qe7#
- 1...Qh6
- 2.Qd5#
- 1...Qh8
- 2.Qd5#
- 2.Qe6#
- 2.Qb7#
- 2.Qe7#
- 1...d3
- 2.Qd5#
- 2.Qb7#
- 1...dxe3!
- threat
- 1.Ba3?
- threat
- 2.Re5#
- 2.Qb7#
- 1...Qxg2
- 2.Re5#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxa5
- 2.Sc5#
- 1...Qh7
- 2.Re5#
- 1...Qh8
- 2.Qb7#
- 1...Sc5
- 2.Sxc5#
- 1...d3
- 2.Qb7#
- 1...dxe3!
- threat
- 1.Bb4?
- threat
- 2.Re5#
- 2.Qb7#
- 1...Qxg2
- 2.Re5#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxa5
- 2.Sc5#
- 1...Qh7
- 2.Re5#
- 1...Qh8
- 2.Qb7#
- 1...Sc5
- 2.Sxc5#
- 1...d3
- 2.Qb7#
- 1...dxe3!
- threat
- 1.Bd6?
- threat
- 2.Re5#
- 2.Qb7#
- 1...Qxg2
- 2.Re5#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxa5
- 2.Sc5#
- 1...Qh7
- 2.Re5#
- 1...Qh8
- 2.Qb7#
- 1...Sc5
- 2.Sxc5#
- 1...d3
- 2.Qb7#
- 1...dxe3!
- threat
- 1.Bf8?
- threat
- 2.Re5#
- 2.Qb7#
- 1...Qxg2
- 2.Re5#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxa5
- 2.Sc5#
- 1...Qh7
- 2.Re5#
- 1...Qh8
- 2.Qb7#
- 1...Sc5
- 2.Sxc5#
- 1...d3
- 2.Qb7#
- 1...dxe3!
- threat
- 1.Sxd4?
- Keys
- 1.Bxd4!
- threat
- 2.Re5#
- 2.Qb7#
- 1...Qxf5
- 2.Qxf5#
- 1...Rxd4
- 2.Re5#
- 1...Bxd4
- 2.Qb7#
- 1...Sxd4
- 2.Sc5#
- 2.Re5#
- 1...Sxa5
- 2.Sc5#
- 1...Qh7
- 2.Re5#
- 1...Qh8
- 2.Qb7#
- 1...Sc5
- 2.Sxc5#
- threat
- 1.Bxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(c);XB(G)::S(K),XS(c)
- Tries
- Try
- S(K);XP(e)
- Threat
- DUALS(5)
- Vars
- Q(d);OGATE,XP(H)::QAB1(M),XQ(d)
- R(b);XS(K)::QAR2(M)
- B(a);XS(K)::QAB1(M)
- S(c);XS(K)::QAB1(M)
- S(c);XB(G)::QAB1(M)
- Q(d);::QAB1(M)
- Refutation
- Q(d);P_PINQ(M)
- Try
- S(K);
- Threat
- DUALS(5)
- Vars
- Q(d);OGATE,XP(H)::QAB1(M),XQ(d)
- S(c);XB(G)::QAB1(M)
- Q(d);::QAB1(M)
- Refutation
- P(e);XP(C)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(d);XS(B)::R1(F)
- Q(d);OGATE,XP(H)::QAB1(M),XQ(d)
- S(c);N_GUARD,XR(F)::S(K)
- Q(d);P_PINQ(M)::R1(F)
- Q(d);::QAB(M)
- S(c);N_GUARD::S(K),XS(c)
- P(e);::QAB(M)
- Refutation
- P(e);XP(C)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(d);XS(B)::R1(F)
- Q(d);OGATE,XP(H)::QAB1(M),XQ(d)
- S(c);N_GUARD,XR(F)::S(K)
- Q(d);P_PINQ(M)::R1(F)
- Q(d);::QAB(M)
- S(c);N_GUARD::S(K),XS(c)
- P(e);::QAB(M)
- Refutation
- P(e);XP(C)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(d);XS(B)::R1(F)
- Q(d);OGATE,XP(H)::QAB1(M),XQ(d)
- S(c);N_GUARD,XR(F)::S(K)
- Q(d);P_PINQ(M)::R1(F)
- Q(d);::QAB(M)
- S(c);N_GUARD::S(K),XS(c)
- P(e);::QAB(M)
- Refutation
- P(e);XP(C)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(d);XS(B)::R1(F)
- Q(d);OGATE,XP(H)::QAB1(M),XQ(d)
- S(c);N_GUARD,XR(F)::S(K)
- Q(d);P_PINQ(M)::R1(F)
- Q(d);::QAB(M)
- S(c);N_GUARD::S(K),XS(c)
- P(e);::QAB(M)
- Refutation
- P(e);XP(C)
- Try
- Actual
- B(G);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(d);OGATE,XP(H)::QAB1(M),XQ(d)
- R(b);XB(G)::R1(F)
- B(a);P_PINP(J),XB(G)::QAB(M)
- S(c);N_GUARD,XR(F)::S(K)
- Q(d);P_PINQ(M)::R1(F)
- Q(d);::QAB(M)
- S(c);N_GUARD::S(K),XS(c)
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