MESON Chess Problem Database
Problem Display
PID: 62157 (1q6/8/3N2R1/2B1k1p1/5pB1/p2R1P2/b1P1K3/7Q w - - 0 1)
Seib, Wilhelm
L'Echiquier Francais, 1908
#2
9 + 6
| 81 | Chess | 1944 |
SOLUTION
- SOUND
- Sets
- 1...Qxd6
- 2.Bxd6#
- 1...Qa7
- 2.Qa1#
- 1...Qc7
- 2.Qa1#
- 1...Qb1
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qb3
- 2.Qh8#
- 1...Qb4
- 2.Qh8#
- 1...Qb5
- 2.Qh8#
- 1...Qb6
- 2.Qh8#
- 1...Qa8
- 2.Qa1#
- 1...Qc8
- 2.Qa1#
- 1...Qd8
- 2.Qa1#
- 1...Qe8
- 2.Qa1#
- 1...Qf8
- 2.Qa1#
- 1...Qg8
- 2.Qa1#
- 1...Qh8
- 2.Qa1#
- 2.Qxh8#
- 1...Bb1
- 2.Sc4#
- 2.Sf7#
- 2.Re6#
- 1...Bb3
- 2.Qa1#
- 1...Bc4
- 2.Sxc4#
- 1...Bd5
- 2.Bd4#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Bg8
- 2.Qh8#
- 1...Qxd6
- Tries
- 1.Kf2?
- threat
- 2.Qe1#
- 1...Qb1
- 2.Qh8#
- 1...Qb4
- 2.Qh8#
- 1...Qa8
- 2.Qa1#
- 1...Bd5
- 2.Bd4#
- 1...Qb7!
- threat
- 1.Se4?
- threat
- 2.Rxg5#
- 1...Qc8
- 2.Bd6#
- 2.Qa1#
- 1...Qf8
- 2.Qa1#
- 1...Qg8
- 2.Bd6#
- 2.Qa1#
- 1...Be6
- 2.Rxe6#
- 1...Qd8!
- threat
- 1.Sb5?
- threat
- 2.Qa1#
- 1...Qxb5
- 2.Bd6#
- 2.Qh8#
- 1...Qd6
- 2.Bxd6#
- 1...Bb1
- 2.Re6#
- 1...Qd8!
- threat
- 1.Sb7?
- threat
- 2.Qa1#
- 1...Qxb7
- 2.Bd6#
- 1...Qd6
- 2.Bxd6#
- 1...Bb1
- 2.Re6#
- 1...Qd8!
- threat
- 1.Sc8?
- threat
- 2.Qh8#
- 1...Qxc8
- 2.Bd6#
- 2.Qa1#
- 1...Qd6
- 2.Bxd6#
- 1...Qa7
- 2.Bd6#
- 2.Qa1#
- 1...Qc7
- 2.Qa1#
- 1...Qb7
- 2.Bd6#
- 1...Qb6!
- threat
- 1.Se8?
- threat
- 2.Rxg5#
- 2.Qh8#
- 1...Qxe8
- 2.Bd6#
- 2.Qa1#
- 1...Qd6
- 2.Bxd6#
- 2.Rxg5#
- 1...Qa7
- 2.Bd6#
- 2.Rxg5#
- 2.Qa1#
- 1...Qc7
- 2.Rxg5#
- 2.Qa1#
- 1...Qb6
- 2.Rxg5#
- 1...Qb7
- 2.Bd6#
- 2.Rxg5#
- 1...Qc8
- 2.Bd6#
- 2.Qa1#
- 2.Qh8#
- 1...Be6
- 2.Rxe6#
- 2.Qh8#
- 1...Qd8!
- threat
- 1.Bc8?
- threat
- 2.Qh8#
- 1...Qxd6
- 2.Bxd6#
- 1...Qxc8
- 2.Qa1#
- 1...Qa7
- 2.Qa1#
- 1...Qc7
- 2.Qa1#
- 1...Qb7!
- threat
- 1.Qe1?
- threat
- 2.Kd1#
- 2.Kf1#
- 2.Kd2#
- 2.Kf2#
- 2.Qc3#
- 1...Qxd6
- 2.Kd1#
- 2.Kf1#
- 2.Kd2#
- 2.Kf2#
- 2.Bxd6#
- 1...Qb7
- 2.Qc3#
- 1...Qb1
- 2.Qc3#
- 1...Qb2
- 2.Kd1#
- 2.Kf1#
- 2.Kd2#
- 2.Kf2#
- 1...Qb3
- 2.Kd1#
- 2.Kf1#
- 2.Kd2#
- 2.Kf2#
- 1...Qa8
- 2.Qc3#
- 2.Qa1#
- 1...Bd5
- 2.Bd4#
- 2.Qc3#
- 1...Qb4!
- threat
- 1.c4?
- threat
- 2.Sf7#
- 2.Bd4#
- 2.Rd5#
- 2.Re6#
- 1...Qxd6
- 2.Bxd6#
- 1...Bxc4
- 2.Sxc4#
- 1...Qb7
- 2.Bd4#
- 2.Re6#
- 1...Qa7
- 2.Rd5#
- 2.Re6#
- 2.Qa1#
- 1...Qc7
- 2.Bd4#
- 2.Rd5#
- 2.Re6#
- 2.Qa1#
- 1...Qb6
- 2.Sf7#
- 2.Rd5#
- 2.Re6#
- 2.Qh8#
- 1...Qa8
- 2.Sf7#
- 2.Bd4#
- 2.Re6#
- 2.Qa1#
- 1...Qc8
- 2.Sf7#
- 2.Bd4#
- 2.Rd5#
- 2.Qa1#
- 1...Qe8
- 2.Bd4#
- 2.Rd5#
- 2.Qa1#
- 1...Qf8
- 2.Bd4#
- 2.Rd5#
- 2.Re6#
- 2.Qa1#
- 1...Qg8
- 2.Bd4#
- 2.Qa1#
- 1...Qb2+!
- threat
- 1.Kf2?
- Keys
- 1.Bd7!
- 1...Qxd6
- 2.Bxd6#
- 1...Qb7
- 2.Qh8#
- 1...Qa7
- 2.Qa1#
- 2.Qh8#
- 1...Qc7
- 2.Qa1#
- 2.Qh8#
- 1...Qb1
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qb3
- 2.Qh8#
- 1...Qb4
- 2.Qh8#
- 1...Qb5
- 2.Qh8#
- 1...Qb6
- 2.Qh8#
- 1...Qa8
- 2.Qa1#
- 1...Qc8
- 2.Qa1#
- 1...Qd8
- 2.Qa1#
- 1...Qe8
- 2.Qa1#
- 1...Qf8
- 2.Qa1#
- 1...Qg8
- 2.Qa1#
- 1...Qh8
- 2.Qa1#
- 2.Qxh8#
- 1...Bb1
- 2.Sc4#
- 2.Sf7#
- 2.Re6#
- 1...Bb3
- 2.Qa1#
- 1...Bc4
- 2.Sxc4#
- 1...Bd5
- 2.Bd4#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Bg8
- 2.Qh8#
- 1...g4
- 2.Qh5#
- 1...Qxd6
- 1.Bd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- Q(f);OGATE,XS(H)::B(G),XQ(f)
- Q(f);N_GUARD::QAB(A)
- Q(f);N_GUARD,P_PINP(B)::QAB(A)
- Q(f);N_GUARD,P_PINR(D)::QAB(A)
- B(a);S_CUTQ(f)::QAB(A)
- B(a);N_GUARD,P_PINR(D)::S(H),XB(a)
- B(a);SBLOCK::B(G)
- B(a);N_GUARD::R1(I),XB(a)
- B(a);N_GUARD::S(H),XB(a)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- QAR(A)
- Vars
- Q(f);N_GUARD::QAB(A)
- B(a);SBLOCK::B(G)
- Refutation
- Q(f);
- Try
- S(H);
- Threat
- R(I),XP(e)
- Vars
- Q(f);N_GUARD::QAB(A)
- B(a);N_GUARD::R1(I),XB(a)
- Refutation
- Q(f);
- Try
- S(H);
- Threat
- QAB(A)
- Vars
- Q(f);N_GUARD::B(G),XQ(f)
- B(a);N_GUARD::R1(I)
- Refutation
- Q(f);
- Try
- S(H);
- Threat
- QAB(A)
- Vars
- Q(f);N_GUARD,XS(H)::B(G)
- Q(f);N_GUARD::B(G),XQ(f)
- B(a);N_GUARD::R1(I)
- Refutation
- Q(f);
- Try
- S(H);
- Threat
- QAB(A)
- Vars
- Q(f);N_GUARD::B(G),XQ(f)
- Q(f);N_GUARD::QAB(A)
- Q(f);N_GUARD::B(G)
- Refutation
- Q(f);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(f);::R(I),XP(e)
- Refutation
- Q(f);
- Try
- B(F);
- Threat
- QAB(A)
- Vars
- Q(f);OGATE,XS(H)::B(G),XQ(f)
- Q(f);N_GUARD,XB(F)::QAB(A)
- Q(f);N_GUARD::QAB(A)
- Refutation
- Q(f);
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- Q(f);::QAB(A)
- Refutation
- Q(f);
- Try
- P(B);
- Threat
- DUALS(4)
- Vars
- Q(f);OGATE,XS(H)::B(G),XQ(f)
- B(a);P_PINR(D),XP(B)::S(H),XB(a)
- Refutation
- Q(f);CHECK
- Try
- Actual
- B(F);
- Vars
- Q(f);OGATE,XS(H)::B(G),XQ(f)
- Q(f);N_GUARD::QAB(A)
- Q(f);N_GUARD,P_PINP(B)::QAB(A)
- Q(f);N_GUARD,P_PINR(D)::QAB(A)
- B(a);S_CUTQ(f)::QAB(A)
- B(a);N_GUARD,P_PINR(D)::S(H),XB(a)
- B(a);SBLOCK::B(G)
- B(a);N_GUARD::R1(I),XB(a)
- B(a);N_GUARD::S(H),XB(a)
- P(e);OGATEB::QAR(A)
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