MESON Chess Problem Database
Problem Display
PID: 154285 (1R2q2b/2Q1p1B1/3N1r2/3pkP2/2p5/2K1PBP1/2P2P2/3bR1N1 w - - 0 1)
Markwick, Frederick W
Stratford Express, 1916
(First published on Sat Feb 19 1916)
#2
13 + 8
| 15351 | SCPF/BCPS Black Books | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Qxe7#
- 1...Qb5
- 2.Qxe7#
- 1...Qh5
- 2.Qxe7#
- 1...Qc6
- 2.Qxe7#
- 1...Qg6
- 2.Qxe7#
- 1...Qxb8
- 2.Qxe7#
- 1...Bxf3
- 2.Sxf3#
- 1...d4+
- 2.exd4#
- 1...Qa4
- Tries
- 1.Bh1?
- threat
- 2.f4#
- 1...d4+
- 2.exd4#
- 1...Bf3
- 2.Sxf3#
- 1...exd6!
- threat
- 1.Bg2?
- threat
- 2.f4#
- 1...d4+
- 2.exd4#
- 1...Bf3
- 2.Sxf3#
- 1...exd6!
- threat
- 1.Bg4?
- threat
- 2.f4#
- 1...exd6
- 2.Rxe8#
- 1...Bf3
- 2.Sxf3#
- 1...d4+!
- threat
- 1.Rxe8?
- threat
- 2.Rxe7#
- 2.Qxe7#
- 1...d4+
- 2.exd4#
- 1...e6
- 2.Rxe6#
- 1...Bxg7!
- threat
- 1.e4?
- threat
- 2.Sxc4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sxe8#
- 1...Qxb8
- 2.Sxc4#
- 2.Sf7#
- 2.Qxe7#
- 1...Bxg7
- 2.Sxc4#
- 2.Sf7#
- 1...dxe4
- 2.Qc5#
- 1...exd6
- 2.Rxe8#
- 1...Qf7
- 2.Sxc4#
- 2.Sb5#
- 2.Sb7#
- 2.Sxf7#
- 2.Sc8#
- 2.Se8#
- 1...Qa4
- 2.Sxc4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qb5
- 2.Sxc4#
- 2.Sxb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qh5
- 2.Sxc4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qc6
- 2.Sxc4#
- 2.Sf7#
- 2.Qxe7#
- 1...Qg6
- 2.Sxc4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qd7
- 2.Sxc4#
- 2.Sf7#
- 1...Qc8
- 2.Sxc4#
- 2.Sf7#
- 2.Sxc8#
- 1...Qd8
- 2.Sxc4#
- 2.Sf7#
- 1...Qf8
- 2.Sxc4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Qg8
- 2.Sxc4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...d4+!
- threat
- 1.g4?
- threat
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sxe8#
- 1...Qxb8
- 2.Sxc4#
- 2.Sf7#
- 2.Qxe7#
- 1...Bxf3
- 2.Sxf3#
- 1...Bxg7
- 2.Sxc4#
- 2.Sf7#
- 1...exd6
- 2.Rxe8#
- 1...Qf7
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sb7#
- 2.Sxf7#
- 2.Sc8#
- 2.Se8#
- 1...Qa4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qb5
- 2.Sxc4#
- 2.Se4#
- 2.Sxb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qh5
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qc6
- 2.Sxc4#
- 2.Sf7#
- 2.Qxe7#
- 1...Qg6
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe7#
- 1...Qd7
- 2.Sxc4#
- 2.Sf7#
- 1...Qc8
- 2.Sxc4#
- 2.Sf7#
- 2.Sxc8#
- 1...Qd8
- 2.Sxc4#
- 2.Sf7#
- 1...Qf8
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Qg8
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...d4+!
- threat
- 1.Bh1?
- Keys
- 1.Be4!
- threat
- 2.f4#
- 1...d4+
- 2.exd4#
- 1...dxe4
- 2.Qc5#
- 1...exd6
- 2.Rxe8#
- 1...Bf3
- 2.Sxf3#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(g);N_GUARD::QAR2(K),XP(f)
- Q(g);N_GUARD,XR(M)::QAR2(K),XP(f)
- B(a);XB(G)::S(B),XB(a)
- P(c);CHECK,OGATE::R(A)+P(F)DCHECK,XP(c)
- Tries
- Try
- B(G);
- Threat
- P(D)
- Vars
- P(c);CHECK,OGATE::R(A)+P(F)DCHECK,XP(c)
- B(a);N_GUARD::S(B),XB(a)
- Refutation
- P(f);P_SPINP(f),XS(J)
- Try
- B(G);
- Threat
- P(D)
- Vars
- P(c);CHECK,OGATE::R(A)+P(F)DCHECK,XP(c)
- B(a);N_GUARD::S(B),XB(a)
- Refutation
- P(f);P_SPINP(f),XS(J)
- Try
- B(G);
- Threat
- P(D)
- Vars
- P(f);OGATEB,P_SPINP(f),XS(J)::R(M),XQ(g)
- B(a);N_GUARD::S(B),XB(a)
- Refutation
- P(c);CHECK
- Try
- R(M);P_PINP(f),XQ(g)
- Threat
- DUALS(2)
- Vars
- P(c);CHECK,OGATE::R(A)+P(F)DCHECK,XP(c)
- P(f);OGATE::R1(M),XP(f)
- Refutation
- B(h);N_SPINR(e),XB(L)
- Try
- P(F);
- Threat
- DUALS(6)
- Vars
- P(c);OGATEB,P_SPINP(c),XP(F)::QAR2(K)
- P(f);OGATEB,P_SPINP(f),XS(J)::R(M),XQ(g)
- Refutation
- P(c);CHECK
- Try
- P(H);
- Threat
- DUALS(7)
- Vars
- B(a);XB(G)::S(B),XB(a)
- P(f);OGATEB,P_SPINP(f),XS(J)::R(M),XQ(g)
- Refutation
- P(c);CHECK
- Try
- Actual
- B(G);
- Threat
- P(D)
- Vars
- P(c);CHECK,OGATE::P(F),XP(c)
- P(c);OGATEB,XB(G)::QAR2(K)
- P(f);OGATEB,P_SPINP(f),XS(J)::R(M),XQ(g)
- B(a);N_GUARD::S(B),XB(a)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).