MESON Chess Problem Database
Problem Display
PID: 152481 (3QR3/2Np2p1/B2p4/5p2/nK1k1rrR/5pp1/2p5/n1N1B3 w - - 0 1)
Ross, David
Hampstead and Highgate Express, 1898
(First published on Sat Sep 3 1898)
#2
8 + 12
| 14867 | BCPS Library | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Rxf4#
- 1...Rg6
- 2.Rxf4#
- 1...Sb3
- 2.Sxb3#
- 1...Sb2
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sc5
- 2.Bc3#
- 1...Sb6
- 2.Bc3#
- 1...f2
- 2.Se2#
- 1...g2
- 2.Bf2#
- 1...d5
- 2.Sb5#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Rg5
- Tries
- 1.Bxg3?
- threat
- 2.Bf2#
- 1...Rxg3
- 2.Rxf4#
- 1...f2
- 2.Se2#
- 1...Re4!
- threat
- 1.Bc4?
- threat
- 2.Sb5#
- 1...Sc3
- 2.Bxc3#
- 1...Re4!
- threat
- 1.Bb7?
- threat
- 2.Sb5#
- 1...Sc3
- 2.Bxc3#
- 1...Re4!
- threat
- 1.Rh2?
- threat
- 2.Rd2#
- 1...gxh2
- 2.Bf2#
- 1...Sb3
- 2.Sxb3#
- 1...Sb2
- 2.Bc3#
- 1...Sc5
- 2.Bc3#
- 1...f2
- 2.Se2#
- 1...g2
- 2.Bf2#
- 1...Re4!
- threat
- 1.Qe7?
- threat
- 2.Qxd6#
- 2.Qe3#
- 1...Rg6
- 2.Rxf4#
- 2.Qe3#
- 1...Sc3
- 2.Bxc3#
- 2.Qe3#
- 1...Sb6
- 2.Bc3#
- 2.Qe3#
- 1...d5
- 2.Sb5#
- 2.Qe3#
- 2.Qe5#
- 1...Re4!
- threat
- 1.Qxd7?
- threat
- 2.Qxd6#
- 1...Rg6
- 2.Rxf4#
- 1...Sc3
- 2.Bxc3#
- 1...Sb6
- 2.Bc3#
- 1...d5
- 2.Sb5#
- 2.Qxd5#
- 1...Re4!
- threat
- 1.Qa8?
- threat
- 2.Sb5#
- 2.Qd5#
- 1...Sc3
- 2.Bxc3#
- 2.Qa7#
- 1...Sb6
- 2.Sb5#
- 2.Bc3#
- 1...d5
- 2.Sb5#
- 2.Qxd5#
- 1...Re4!
- threat
- 1.Bxg3?
- Keys
- 1.Qg5!
- 1...Rxh4
- 2.Qxg7#
- 1...Rxg5
- 2.Rxf4#
- 1...Re4
- 2.Qd2#
- 1...Sb3
- 2.Sxb3#
- 1...Sb2
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sc5
- 2.Bc3#
- 1...Sb6
- 2.Bc3#
- 1...f2
- 2.Se2#
- 1...g2
- 2.Bf2#
- 1...d5
- 2.Sb5#
- 1...g6
- 2.Qf6#
- 1...Rxh4
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(h);OGATE,P_SPINR(g)::R(D),XR(g)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- P(c);N_GUARD::S(A)
- P(d);N_GUARD::B(B)
- P(j);SBLOCK::S(F)
- P(l);N_GUARD::QAB(G)
- Tries
- Try
- B(B);XP(d)
- Threat
- B(B)
- Vars
- R(h);OGATE,P_SPINR(g),XB(B)::R(D),XR(g)
- P(c);N_GUARD::S(A)
- Refutation
- R(g);
- Try
- B(E);
- Threat
- S(F)
- Vars
- S(e);N_GUARD::B(B),XS(e)
- Refutation
- R(g);
- Try
- B(E);
- Threat
- S(F)
- Vars
- S(e);N_GUARD::B(B),XS(e)
- Refutation
- R(g);
- Try
- R(D);
- Threat
- R(D)
- Vars
- P(d);N_GUARD,XR(D)::B(B)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::B(B)
- P(c);N_GUARD::S(A)
- P(d);N_GUARD::B(B)
- Refutation
- R(g);
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- R(g);
- Try
- Q(G);P_PINP(j),XP(k)
- Threat
- QAR2(G),XP(j)
- Vars
- R(h);OGATE,P_SPINR(g)::R(D),XR(g)
- S(e);N_GUARD::B(B),XS(e)
- S(e);N_GUARD::B(B)
- Refutation
- R(g);
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- R(g);
- Try
- Actual
- Q(G);
- Vars
- R(h);N_GUARD,XR(D)::QAB(G),XP(l)
- R(h);OGATE,P_SPINR(g),XQ(G)::R(D),XR(g)
- R(g);OGATE::QAR2(G)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- P(c);N_GUARD::S(A)
- P(d);N_GUARD::B(B)
- P(j);SBLOCK::S(F)
- P(l);N_GUARD::QAB(G)
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).