MESON Chess Problem Database
Problem Display
PID: 2878 (3nB1rN/p2PR2p/Rb4pk/3Q4/3B4/1p4N1/1Pp3P1/2K5 w - - 0 1)
Bridgwater, Ralph Herbert
1st Prize, Hampstead and Highgate Express, 1899
(First published on Sat Jul 29 1899)
#2
11 + 9
| 15 | British Chess Magazine | 1900 |
| 15 | British Chess Magazine | 1918 |
| 2681 | All Change Here! | 1919 |
| 3530 | Het Half Pin Thema (II) | 1947 |
| 81 | Chess | 1955 |
| 81 | Chess | 1959 |
| 15372 | Bridgwater Scrapbook | 2012 |
| 3770 | BCSC Postal | 2014-2015 |
SOLUTION
- SOUND
- Sets
- 1...Rg7
- 2.Bxg7#
- 1...Rxe8
- 2.Bg7#
- 1...Rf8
- 2.Bg7#
- 1...Rxh8
- 2.Bg7#
- 1...Bxd4
- 2.Qh5#
- 1...Ba5
- 2.Be3#
- 2.Qh5#
- 1...Bc5
- 2.Qh5#
- 1...Bc7
- 2.Qh5#
- 1...Sc6
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sb7
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5
- 2.Sf5#
- 1...Rg7
- Tries
- 1.Se4?
- threat
- 2.Qg5#
- 1...Se6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5!
- threat
- 1.Bc3?
- 1...Rxe8
- 2.Bg7#
- 1...Rxh8
- 2.Bg7#
- 1...Bc5
- 2.Qh5#
- 1...Rg7
- 2.Bxg7#
- 1...Rf8
- 2.Bg7#
- 1...Bg1
- 2.Qh5#
- 1...Bf2
- 2.Qh5#
- 1...Bd4
- 2.Qh5#
- 1...Ba5
- 2.Qd2#
- 2.Qh5#
- 1...Bc7
- 2.Qh5#
- 1...Sc6
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sb7
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5
- 2.Sf5#
- 1...Be3+!
- 1...Rxe8
- 1.Be3+?
- 1...g5
- 2.Sf5#
- 1...Bxe3+!
- 1...g5
- 1.Bf6?
- threat
- 2.Bg5#
- 2.Qg5#
- 1...Se6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5
- 2.Sf5#
- 1...Be3+!
- threat
- 1.Bxg6?
- threat
- 2.Rxh7#
- 2.Qh5#
- 1...Rxg6
- 2.Qh5#
- 1...Rxh8
- 2.Qh5#
- 1...Rg7
- 2.Bxg7#
- 2.Qh5#
- 1...Sf7
- 2.Qh5#
- 1...hxg6!
- threat
- 1.Rxb6?
- threat
- 2.Be3#
- 2.Qh5#
- 1...Rf8
- 2.Bg7#
- 2.Qh5#
- 1...Sc6
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 2.Qh5#
- 1...axb6!
- threat
- 1.Re4?
- threat
- 2.Rh4#
- 1...g5
- 2.Sf5#
- 1...Bxd4!
- threat
- 1.Re6?
- threat
- 2.Qh5#
- 1...Sxe6
- 2.Sf7#
- 1...Bxd4!
- threat
- 1.Qe4?
- threat
- 2.Qh4#
- 1...g5
- 2.Sf5#
- 2.Rxh7#
- 2.Qxh7#
- 1...Kg5!
- threat
- 1.Qb5?
- 1...Rxe8
- 2.Bg7#
- 1...Rxh8
- 2.Bg7#
- 1...Bxd4
- 2.Qh5#
- 1...Rg7
- 2.Bxg7#
- 1...Rf8
- 2.Bg7#
- 1...Ba5
- 2.Be3#
- 2.Qh5#
- 1...Bc7
- 2.Qh5#
- 1...Sc6
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sb7
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5
- 2.Sf5#
- 1...Bc5!
- 1...Rxe8
- 1.Qc5?
- 1...Rxe8
- 2.Bg7#
- 1...Rxh8
- 2.Bg7#
- 1...Rg7
- 2.Bxg7#
- 1...Rf8
- 2.Bg7#
- 1...Ba5
- 2.Be3#
- 2.Qh5#
- 1...Bc7
- 2.Qh5#
- 1...Sc6
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sb7
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5
- 2.Sf5#
- 1...Bxc5!
- 1...Rxe8
- 1.Qf5?
- 1...Rxe8
- 2.Bg7#
- 1...Rxh8
- 2.Bg7#
- 1...Bxd4
- 2.Qf4#
- 2.Qh5#
- 1...Bc5
- 2.Qf4#
- 2.Qh5#
- 1...Rg7
- 2.Bxg7#
- 1...Rf8
- 2.Bg7#
- 1...Ba5
- 2.Be3#
- 2.Qf4#
- 2.Qh5#
- 1...Bc7
- 2.Qh5#
- 1...Sc6
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sb7
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5
- 2.Rxh7#
- 2.Qh3#
- 2.Qxh7#
- 1...gxf5!
- 1...Rxe8
- 1.Se4?
- Keys
- 1.Qa5!
- 1...Rxe8
- 2.Bg7#
- 1...Rxh8
- 2.Bg7#
- 1...Bxd4
- 2.Qh5#
- 1...Bxa5
- 2.Be3#
- 1...Bc5
- 2.Qd2#
- 1...Rg7
- 2.Bxg7#
- 1...Rf8
- 2.Bg7#
- 1...Bc7
- 2.Qh5#
- 1...Sc6
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sb7
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...g5
- 2.Sf5#
- 1...Rxe8
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::B(E),XR(i)
- R(i);N_GUARD,XB(J)::B(E)
- R(i);N_GUARD::B(E)
- R(i);N_GUARD,XS(K)::B(E)
- B(c);P_SPINP(d),XB(E)::QAR1(F)
- B(c);P_SPINP(d)::QAR1(F)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(d);N_GUARD,P_SPINB(c),SBLOCK::S(D)
- Tries
- Try
- S(D);
- Threat
- QAB1(F)
- Vars
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(d);P_SPINB(c)
- Try
- B(E);
- Vars
- R(i);N_GUARD,XB(J)::B(E)
- R(i);N_GUARD,XS(K)::B(E)
- B(c);P_SPINP(d)::QAR1(F)
- R(i);N_GUARD::B(E),XR(i)
- R(i);N_GUARD::B(E)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(d);N_GUARD,P_SPINB(c),SBLOCK::S(D)
- Refutation
- B(c);CHECK,P_SPINP(d)
- Try
- B(E);CHECK
- Vars
- P(d);P_SPINB(c),P_SPINP(d)::S(D)
- Refutation
- B(c);CHECK,P_SPINP(d),XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(d);N_GUARD::S(D)
- Refutation
- B(c);CHECK
- Try
- B(J);XP(d)
- Threat
- DUALS(2)
- Vars
- R(i);XB(J)::QAR1(F)
- R(i);XS(K)::QAR1(F)
- S(h);::QAR1(F)
- Refutation
- P(g);XB(J)
- Try
- R(G);P_PINP(d),XB(c)
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,N_SPINP(d)::S(K)
- Refutation
- P(f);N_SPINP(d),XR(G)
- Try
- R(I);
- Threat
- R(I)
- Vars
- P(d);N_GUARD,P_SPINB(c),SBLOCK::S(D)
- Refutation
- B(c);P_SPINP(d),XB(E)
- Try
- R(I);P_PINP(d)
- Threat
- QAR1(F)
- Vars
- S(h);N_GUARD,N_SPINP(d),XR(I)::S(K)
- Refutation
- B(c);XB(E)
- Try
- Q(F);
- Threat
- QAR2(F)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(F);
- Vars
- R(i);N_GUARD,XB(J)::B(E)
- R(i);N_GUARD,XS(K)::B(E)
- B(c);P_SPINP(d),XB(E)::QAR1(F)
- R(i);N_GUARD::B(E),XR(i)
- R(i);N_GUARD::B(E)
- B(c);P_SPINP(d)::QAR1(F)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(d);N_GUARD,P_SPINB(c),SBLOCK::S(D)
- Refutation
- B(c);P_SPINP(d)
- Try
- Q(F);
- Vars
- R(i);N_GUARD,XB(J)::B(E)
- R(i);N_GUARD,XS(K)::B(E)
- R(i);N_GUARD::B(E),XR(i)
- R(i);N_GUARD::B(E)
- B(c);P_SPINP(d)::QAR1(F)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(d);N_GUARD,P_SPINB(c),SBLOCK::S(D)
- Refutation
- B(c);P_SPINP(d),XQ(F)
- Try
- Q(F);
- Vars
- R(i);N_GUARD,XB(J)::B(E)
- R(i);N_GUARD,XS(K)::B(E)
- R(i);N_GUARD::B(E),XR(i)
- R(i);N_GUARD::B(E)
- B(c);P_SPINP(d)::QAR1(F)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- Refutation
- P(d);P_SPINB(c),XQ(F)
- Try
- Actual
- Q(F);
- Vars
- R(i);N_GUARD,XB(J)::B(E)
- R(i);N_GUARD,XS(K)::B(E)
- B(c);P_SPINP(d),XB(E)::QAR1(F)
- B(c);N_GUARD,P_SPINP(d),XQ(F)::B(E)
- B(c);P_SPINP(d)::QAB(F)
- R(i);N_GUARD::B(E),XR(i)
- R(i);N_GUARD::B(E)
- B(c);P_SPINP(d)::QAR1(F)
- S(h);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(d);N_GUARD,P_SPINB(c),SBLOCK::S(D)
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).