MESON Chess Problem Database
Problem Display
PID: 48653 (K6N/N1p1pB2/2Pk2PR/3Pn1pr/4P3/b1Q4q/1n1P1B2/5b2 w - - 0 1)
Hunter, James A William
Meyer, Heinrich Friedrich Ludwig
English Mechanic and World of Science, 1878
(First published on Fri Sep 6 1878)
#2
12 + 10
| 508 | Chess Chips | 1878 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Sc8#
- 2.Qxa3#
- 1...Qg4
- 2.Qxa3#
- 1...Qf5
- 2.Qxa3#
- 1...Qe6
- 2.Qxa3#
- 1...Qd7
- 2.Qxa3#
- 1...Qc8+
- 2.Sxc8#
- 1...Qh1
- 2.Sc8#
- 2.Qxa3#
- 1...Qh2
- 2.Sc8#
- 2.Qxa3#
- 1...Qxc3
- 2.Sc8#
- 1...Qd3
- 2.Sc8#
- 1...Qe3
- 2.Sc8#
- 1...Qf3
- 2.Sc8#
- 1...Qg3
- 2.Sc8#
- 1...Qh4
- 2.Sc8#
- 2.Qxa3#
- 1...Bg2
- 2.Sb5#
- 1...Bd3
- 2.Qxa3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb4
- 2.Qxb4#
- 1...Bc5
- 2.Bxc5#
- 2.Qxc5#
- 1...Sbd3
- 2.Sb5#
- 1...Sbc4
- 2.Sb5#
- 1...Sed3
- 2.Sb5#
- 1...Sec4
- 2.Sb5#
- 1...Sg4
- 2.Sc8#
- 1...Sxg6
- 2.e5#
- 1...Sd7
- 2.Sc8#
- 1...Sxf7
- 2.Sxf7#
- 1...g4
- 2.Sc8#
- 1...e6
- 2.Sc8#
- 1...Qg2
- Tries
- 1.Bg3?
- threat
- 2.Bxe5#
- 2.Qxa3#
- 1...Qc8+
- 2.Sxc8#
- 1...Qxg3
- 2.Sc8#
- 1...Bc4
- 2.Qxa3#
- 1...e6
- 2.Sc8#
- 2.Qxa3#
- 1...Qf5
- 2.Qxa3#
- 1...Qe6
- 2.Qxa3#
- 1...Qh2
- 2.Sc8#
- 2.Qxa3#
- 1...Bb4
- 2.Bxe5#
- 2.Qxb4#
- 1...Bc5
- 2.Bxe5#
- 2.Qxe5#
- 1...Sd3
- 2.Sb5#
- 1...Sa4
- 2.Bxe5#
- 1...g4
- 2.Sc8#
- 2.Qxa3#
- 1...Sc4!
- threat
- 1.Bd4?
- threat
- 2.Bxe5#
- 1...Qc8+
- 2.Sxc8#
- 1...Qxc3
- 2.Sc8#
- 1...Sxc6
- 2.Qxc6#
- 1...Sxg6
- 2.Be5#
- 2.e5#
- 1...Sxf7
- 2.Sxf7#
- 1...e6
- 2.Sc8#
- 1...Qf5
- 2.Qxa3#
- 1...Qe6
- 2.Qxa3#
- 1...Qh2
- 2.Sc8#
- 2.Qxa3#
- 1...Qg3
- 2.Sc8#
- 1...Sbd3
- 2.Sb5#
- 1...Sbc4
- 2.Sb5#
- 1...Sed3
- 2.Sb5#
- 1...Sf3
- 2.Qxa3#
- 1...Sec4
- 2.Sb5#
- 1...Sg4
- 2.Sc8#
- 1...Sd7
- 2.Sc8#
- 1...g4
- 2.Sc8#
- 1...Bc4!
- threat
- 1.Be6?
- threat
- 2.Sc8#
- 1...Qxe6
- 2.Qxa3#
- 1...Ba6!
- threat
- 1.Qxh3?
- threat
- 2.Sc8#
- 2.Qe6#
- 2.Qxa3#
- 1...Rxh3
- 2.Sc8#
- 1...Bxh3
- 2.Sb5#
- 1...Sxc6
- 2.Qe6#
- 1...Sxg6
- 2.Qe6#
- 1...Sxf7
- 2.Sxf7#
- 2.Qe6#
- 1...Sed3
- 2.Qe6#
- 1...Sf3
- 2.Qe6#
- 1...Sec4
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...e6
- 2.Sc8#
- 2.Qxe6#
- 2.Qxa3#
- 1...Bd3
- 2.Sc8#
- 2.Qe6#
- 1...Ba6
- 2.Qe6#
- 2.Qxa3#
- 1...Bb4
- 2.Sc8#
- 2.Qe6#
- 1...Bc5
- 2.Sc8#
- 2.Qe6#
- 1...Sbd3
- 2.Sb5#
- 2.Sc8#
- 2.Qe6#
- 1...Sa4
- 2.Sc8#
- 2.Qe6#
- 1...Sbc4
- 2.Sb5#
- 2.Sc8#
- 2.Qe6#
- 1...g4
- 2.Sc8#
- 2.Qxa3#
- 1...Sg4!
- threat
- 1.d3?
- threat
- 2.Sb5#
- 2.Qxa3#
- 1...Qc8+
- 2.Sxc8#
- 1...Qxd3
- 2.Sc8#
- 1...Bxd3
- 2.Qxa3#
- 1...Sbxd3
- 2.Sb5#
- 1...Sexd3
- 2.Sb5#
- 1...Sxg6
- 2.Sb5#
- 2.e5#
- 1...Sxf7
- 2.Sb5#
- 2.Sxf7#
- 1...e6
- 2.Sc8#
- 2.Qxa3#
- 1...Qe3
- 2.Sb5#
- 2.Sc8#
- 1...Bb4
- 2.Sb5#
- 2.Qxb4#
- 1...Bc5
- 2.Sb5#
- 2.Bxc5#
- 2.Qxc5#
- 1...Sa4
- 2.Sb5#
- 1...Sbc4
- 2.Sb5#
- 1...Sf3
- 2.Sb5#
- 1...Sec4
- 2.Sb5#
- 1...Sg4
- 2.Sb5#
- 2.Sc8#
- 1...Sd7
- 2.Sb5#
- 2.Sc8#
- 1...Sxc6!
- threat
- 1.g7+?
- 1...Qe6
- 2.Sc8#
- 2.Rxe6#
- 2.Qxa3#
- 1...Sg6
- 2.e5#
- 1...e6
- 2.Sc8#
- 1...Rxh6!
- 1...Qe6
- 1.Bg3?
- Keys
- 1.d4!
- threat
- 2.dxe5#
- 1...Qc8+
- 2.Sxc8#
- 1...Qxc3
- 2.Sc8#
- 1...Sxc6
- 2.Qxc6#
- 1...Sxg6
- 2.e5#
- 1...Sxf7
- 2.Sxf7#
- 1...e6
- 2.Sc8#
- 1...Qf5
- 2.Qxa3#
- 1...Qe6
- 2.Qxa3#
- 1...Qh2
- 2.Sc8#
- 2.Qxa3#
- 1...Qg3
- 2.Sc8#
- 1...Sbd3
- 2.Sb5#
- 1...Sbc4
- 2.Sb5#
- 1...Sed3
- 2.Sb5#
- 1...Sf3
- 2.Qxa3#
- 1...Sec4
- 2.Sb5#
- 1...Sg4
- 2.Sc8#
- 1...Sd7
- 2.Sc8#
- 1...g4
- 2.Sc8#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(d);N_GUARD::QAB(C),XB(c)
- Q(d);CHECK,N_GUARD::S(I),XQ(d)
- Q(d);N_GUARD,XQ(C)::S(I)
- Q(d);N_GUARD::S(I)
- B(a);N_GUARD::S(I)
- B(a);S_CUTQ(d)::QAB(C),XB(c)
- B(a);N_GUARD::S(I),XB(a)
- B(c);N_GUARD::QAB(C),XB(c)
- S(b);S_CUTB(a)::S(I)
- S(e);S_CUTB(a)::S(I)
- S(e);S_CUTQ(d)::S(I)
- S(e);OGATE,P_SPINS(e),XP(G)::P(D)
- S(e);XB(J)::S(L),XS(e)
- P(f);S_CUTQ(d)::S(I)
- P(j);S_CUTQ(d)::S(I)
- Tries
- Try
- B(B);P_PINS(e)
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,N_GUARD::S(I),XQ(d)
- Q(d);N_GUARD,N_SPINS(e),XB(B)::S(I)
- B(a);::QAB(C),XB(c)
- Q(d);::QAB(C),XB(c)
- S(b);S_CUTB(a)::S(I)
- S(b);::B(B),XS(e)
- Refutation
- S(b);
- Try
- B(B);
- Threat
- B(B),XS(e)
- Vars
- Q(d);CHECK,N_GUARD::S(I),XQ(d)
- Q(d);N_GUARD,XQ(C)::S(I)
- S(e);OGATE,XP(F)::QAR1(C),XS(e)
- S(e);XB(J)::S(L),XS(e)
- P(j);S_CUTQ(d)::S(I)
- Q(d);N_GUARD::QAB(C),XB(c)
- Q(d);N_GUARD::S(I)
- S(b);S_CUTB(a)::S(I)
- S(e);S_CUTB(a)::S(I)
- S(e);S_CUTQ(d)::QAB(C),XB(c)
- S(e);S_CUTQ(d)::S(I)
- P(f);S_CUTQ(d)::S(I)
- Refutation
- B(a);
- Try
- B(J);
- Threat
- S(I)
- Vars
- Q(d);N_GUARD,XB(J)::QAB(C),XB(c)
- Refutation
- B(a);
- Try
- Q(C);XQ(d)
- Threat
- DUALS(3)
- Vars
- R(g);XQ(C)::S(I)
- B(a);N_GUARD,XQ(C)::S(I)
- S(e);XP(F)::QAR1(C)
- S(e);P_SPINS(e),XP(G)::QAR1(C)
- S(e);::QAR1(C)
- Refutation
- S(e);
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,N_GUARD::S(I),XQ(d)
- Q(d);N_GUARD,XP(A)::S(I)
- B(a);XP(A)::QAB(C),XB(c)
- S(b);XP(A)::S(I)
- S(e);XP(A)::S(I)
- S(b);::S(I)
- S(e);::S(I)
- Refutation
- S(e);XP(F)
- Try
- P(G);CHECK
- Vars
- S(e);OGATE,P_SPINS(e)::P(D)
- P(j);P_SPINP(j)::S(I)
- Refutation
- R(g);XR(H)
- Try
- Actual
- P(A);
- Threat
- P(A),XS(e)
- Vars
- Q(d);CHECK,N_GUARD::S(I),XQ(d)
- Q(d);N_GUARD,XQ(C)::S(I)
- S(e);OGATE,XP(F)::QAR1(C),XS(e)
- S(e);OGATE,P_SPINS(e),XP(G)::P(D)
- S(e);XB(J)::S(L),XS(e)
- P(j);S_CUTQ(d)::S(I)
- Q(d);N_GUARD::QAB(C),XB(c)
- Q(d);N_GUARD::S(I)
- S(b);S_CUTB(a)::S(I)
- S(e);S_CUTB(a)::S(I)
- S(e);S_CUTQ(d)::QAB(C),XB(c)
- S(e);S_CUTQ(d)::S(I)
- P(f);S_CUTQ(d)::S(I)
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