MESON Chess Problem Database
Problem Display
PID: 160049 (8/7Q/8/1n6/5Kn1/3B4/1B1kbNRN/5R2 w - - 0 1)
Andrew, Frederick William
Stratford Express, 1918
(First published on Sat Jul 6 1918)
#2
8 + 4
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Rxd1#
- 1...Bxf1
- 2.Sf3#
- 1...Bxd3
- 2.Se4#
- 2.Qxd3#
- 1...Bf3
- 2.Sxf3#
- 1...Sc3
- 2.Bc1#
- 1...Bd1
- Tries
- 1.Sfxg4?
- threat
- 2.Sf3#
- 2.Rxe2#
- 1...Sc3
- 2.Sf3#
- 2.Bc1#
- 1...Sd4!
- threat
- 1.Bb1?
- threat
- 2.Se4#
- 2.Qc2#
- 1...Sxf2
- 2.Qc2#
- 1...Bd1
- 2.Se4#
- 2.Qd3#
- 1...Bd3
- 2.Se4#
- 2.Qxd3#
- 1...Sd4
- 2.Se4#
- 1...Se3
- 2.Se4#
- 1...Sf6
- 2.Qc2#
- 1...Sa3
- 2.Se4#
- 1...Sc3
- 2.Bc1#
- 2.Qc2#
- 1...Sd6
- 2.Qc2#
- 1...Bxf1!
- threat
- 1.Qe4?
- threat
- 2.Qxe2#
- 1...Bxf1
- 2.Sxf1#
- 2.Sf3#
- 1...Bxd3
- 2.Qxd3#
- 1...Bd1
- 2.Rxd1#
- 2.Qe1#
- 1...Bf3
- 2.Sxf3#
- 2.Qe1#
- 1...Se3
- 2.Qxe3#
- 1...Sc3
- 2.Bc1#
- 1...Sd4!
- threat
- 1.Qh3?
- threat
- 2.Se4#
- 1...Bxf1
- 2.Sf3#
- 1...Sxf2
- 2.Qe3#
- 1...Bf3
- 2.Sxf3#
- 1...Se3
- 2.Qxe3#
- 1...Sf6
- 2.Qe3#
- 1...Sc3
- 2.Bc1#
- 1...Sd6!
- threat
- 1.Qa7?
- 1...Bxf1
- 2.Sf3#
- 1...Bxd3
- 2.Se4#
- 1...Sxf2
- 2.Qe3#
- 1...Sxh2
- 2.Qe3#
- 1...Sd4
- 2.Qa5#
- 1...Bd1
- 2.Rxd1#
- 1...Bf3
- 2.Sxf3#
- 1...Se3
- 2.Qxe3#
- 1...Se5
- 2.Qe3#
- 1...Sf6
- 2.Qe3#
- 1...Sh6
- 2.Qe3#
- 1...Sa3
- 2.Qa5#
- 1...Sc3
- 2.Bc1#
- 1...Sd6
- 2.Qa5#
- 1...Sc7
- 2.Qa5#
- 1...Sxa7!
- 1...Bxf1
- 1.Qc7?
- threat
- 2.Bc1#
- 2.Qc1#
- 2.Qc2#
- 1...Bxf1
- 2.Sf3#
- 2.Qc1#
- 1...Bxd3
- 2.Se4#
- 1...Sxf2
- 2.Qc2#
- 1...Sd4
- 2.Bc1#
- 2.Bc3#
- 2.Qa5#
- 2.Qc1#
- 2.Qc3#
- 1...Bd1
- 2.Bc1#
- 2.Rxd1#
- 2.Qc1#
- 1...Se3
- 2.Bc1#
- 2.Qc1#
- 1...Sa3
- 2.Bc1#
- 2.Bc3#
- 2.Qa5#
- 2.Qc1#
- 2.Qc3#
- 1...Sc3
- 2.Bc1#
- 2.Bxc3#
- 2.Qxc3#
- 1...Sxc7!
- threat
- 1.Qe7?
- threat
- 2.Qxe2#
- 1...Bxf1
- 2.Sxf1#
- 2.Sf3#
- 1...Bxd3
- 2.Se4#
- 1...Sd4
- 2.Qb4#
- 1...Bd1
- 2.Rxd1#
- 2.Qe1#
- 1...Bf3
- 2.Sxf3#
- 2.Qe1#
- 1...Se3
- 2.Qxe3#
- 1...Sc3
- 2.Bc1#
- 1...Se5!
- threat
- 1.Sfxg4?
- Keys
- 1.Qh5!
- 1...Bxf1
- 2.Sf3#
- 1...Bxd3
- 2.Se4#
- 1...Sxf2
- 2.Qxe2#
- 1...Sxh2
- 2.Qxe2#
- 1...Sd4
- 2.Qa5#
- 1...Bd1
- 2.Rxd1#
- 1...Bf3
- 2.Sxf3#
- 1...Se3
- 2.Qxe2#
- 1...Se5
- 2.Qxe2#
- 1...Sf6
- 2.Qxe2#
- 1...Sh6
- 2.Qxe2#
- 1...Sa3
- 2.Qa5#
- 1...Sc3
- 2.Bc1#
- 1...Sd6
- 2.Qa5#
- 1...Sa7
- 2.Qa5#
- 1...Sc7
- 2.Qa5#
- 1...Bxf1
- 1.Qh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::R1(A),XB(b)
- B(b);N_GUARD,XR(A)::S(E)
- B(b);N_GUARD::S(E),XB(b)
- S(d);SBLOCK::B(B)
- Tries
- Try
- S(C);P_PINB(b),XS(c)
- Threat
- DUALS(2)
- Refutation
- S(d);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- S(c);XS(C)::QAR1(H)
- S(d);::S(C)
- S(c);::S(C)
- S(c);::QAR1(H)
- S(d);::QAR1(H)
- Refutation
- B(b);XR(A)
- Try
- Q(H);
- Threat
- QAR1(H),XB(b)
- Vars
- B(b);OGATE,XB(F)::QAR1(H),XB(b)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(d);SBLOCK::B(B)
- Refutation
- S(d);
- Try
- Q(H);
- Threat
- S(C)
- Vars
- B(b);N_GUARD,XR(A)::S(E)
- S(c);N_GUARD,XS(C)::QAB1(H)
- B(b);N_GUARD::S(E),XB(b)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);N_GUARD::QAB1(H)
- S(d);SBLOCK::B(B)
- Refutation
- S(d);
- Try
- Q(H);
- Vars
- B(b);N_GUARD,XR(A)::S(E)
- B(b);SBLOCK,XB(F)::R(D)+S(C),DCHECK
- S(c);N_GUARD,XS(C)::QAB1(H)
- S(c);N_GUARD,XS(E)::QAB1(H)
- S(d);N_GUARD::QAB(H)
- B(b);N_GUARD::R1(A),XB(b)
- B(b);N_GUARD::S(E),XB(b)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);N_GUARD::QAB1(H)
- S(d);SBLOCK::B(B)
- Refutation
- S(d);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- B(b);SBLOCK,XB(F)::R(D)+S(C),DCHECK
- S(c);XS(C)::QAR1(H)
- Refutation
- S(d);XQ(H)
- Try
- Q(H);
- Threat
- QAR1(H),XB(b)
- Vars
- B(b);SBLOCK,XB(F)::R(D)+S(C),DCHECK
- S(d);N_GUARD::QAB(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(d);SBLOCK::B(B)
- Refutation
- S(c);
- Try
- Actual
- Q(H);
- Vars
- B(b);N_GUARD,XR(A)::S(E)
- B(b);SBLOCK,XB(F)::R(D)+S(C),DCHECK
- S(c);OGATE,XS(C)::QAR1(H),XB(b)
- S(c);OGATE,XS(E)::QAR1(H),XB(b)
- S(d);OGATE::QAB(H)
- B(b);N_GUARD::R1(A),XB(b)
- B(b);N_GUARD::S(E),XB(b)
- S(c);OGATE::QAR1(H),XB(b)
- S(d);SBLOCK::B(B)
Developed and maintained by Brian Stephenson.
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