MESON Chess Problem Database
Problem Display
PID: 153838 (1n1N4/1K6/8/kB1n4/3pQ3/1R6/8/6bR w - - 0 1)
Bridgwater, Ralph Herbert
The Problemist, 1934
#2
6 + 5
| 15372 | Bridgwater Scrapbook | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Bf2
- 2.Ra1#
- 1...Bh2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Sf4
- 2.Qe1#
- 1...Sb6
- 2.Qe1#
- 1...Sf6
- 2.Qe1#
- 1...Sc7
- 2.Qe1#
- 1...Se7
- 2.Qe1#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...d3
- 2.Qa4#
- 1...Bf2
- Tries
- 1.Qd3?
- 1...Bf2
- 2.Ra1#
- 1...Bh2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Se3
- 2.Qd2#
- 1...Sb4
- 2.Ra3#
- 1...Sf4
- 2.Qd2#
- 1...Sb6
- 2.Qd2#
- 1...Sf6
- 2.Qd2#
- 1...Sc7
- 2.Qd2#
- 1...Se7
- 2.Qd2#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...Sc3!
- 1...Bf2
- 1.Qxd5?
- threat
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 2.Bxc6#
- 1...Sd7
- 2.Sc6#
- 2.Bxd7#
- 1...d3!
- threat
- 1.Qe1+?
- 1...Sb4
- 2.Qxb4#
- 1...Sc3!
- 1...Sb4
- 1.Qe2?
- threat
- 2.Qa2#
- 1...Sb4
- 2.Ra3#
- 1...Sb6
- 2.Qe1#
- 2.Qd2#
- 1...Sc3!
- threat
- 1.Qxd4?
- threat
- 2.Qa1#
- 2.Qa4#
- 1...Sb4
- 2.Qxb4#
- 1...Sc3
- 2.Qxc3#
- 2.Qb4#
- 1...Sb6
- 2.Qc3#
- 2.Qd2#
- 2.Qb4#
- 1...Bxd4!
- threat
- 1.Qe6?
- 1...Sb4
- 2.Qb6#
- 1...Sc3
- 2.Qb6#
- 1...Bf2
- 2.Ra1#
- 1...Bh2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Se3
- 2.Qb6#
- 1...Sf4
- 2.Qe1#
- 2.Qb6#
- 1...Sb6
- 2.Qe1#
- 2.Qxb6#
- 1...Sf6
- 2.Qe1#
- 2.Qb6#
- 1...Sc7
- 2.Qe1#
- 2.Qb6#
- 1...Se7
- 2.Qe1#
- 2.Qb6#
- 1...Sa6
- 2.Sc6#
- 2.Qxa6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 2.Qa6#
- 1...d3!
- 1...Sb4
- 1.Qe7?
- threat
- 2.Qa3#
- 1...Sb4
- 2.Qxb4#
- 1...Sc3
- 2.Qb4#
- 2.Qc7#
- 1...Sb6
- 2.Qb4#
- 2.Qe1#
- 1...Sxe7!
- threat
- 1.Qd3?
- Keys
- 1.Qe5!
- 1...Sc3
- 2.Qc7#
- 1...Bf2
- 2.Ra1#
- 1...Bh2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Se3
- 2.Qc7#
- 1...Sb4
- 2.Ra3#
- 1...Sf4
- 2.Qc7#
- 2.Qe1#
- 1...Sb6
- 2.Qe1#
- 1...Sf6
- 2.Qc7#
- 2.Qe1#
- 1...Sc7
- 2.Qxc7#
- 2.Qe1#
- 1...Se7
- 2.Qc7#
- 2.Qe1#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...d3
- 2.Qa1#
- 1...Sc3
- 1.Qe5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- B(a);OGATE::R(A)
- S(d);N_GUARD::QAB(C)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- P(b);OGATE::QAR1(C)
- Tries
- Try
- Q(C);
- Vars
- B(a);OGATE::R(A)
- S(d);N_GUARD::QAB(C)
- S(d);SBLOCK::R(B)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- Refutation
- S(d);
- Try
- Q(C);XS(d)
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::S(F)
- Refutation
- P(b);
- Try
- Q(C);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- S(d);P_SPINS(d)
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- S(d);SBLOCK::R(B)
- Refutation
- S(d);
- Try
- Q(C);XP(b)
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD::QAB1(C),XS(d)
- Refutation
- B(a);XQ(C)
- Try
- Q(C);
- Vars
- S(d);N_GUARD::QAB1(C)
- B(a);OGATE::R(A)
- S(e);N_GUARD::S(F),XS(e)
- Refutation
- P(b);
- Try
- Q(C);
- Threat
- QAR2(C)
- Vars
- S(d);N_GUARD::QAB1(C),XS(d)
- Refutation
- S(d);XQ(C)
- Try
- Actual
- Q(C);
- Vars
- S(d);N_GUARD::QAB(C)
- B(a);OGATE::R(A)
- S(d);SBLOCK::R(B)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- P(b);OGATE::QAR(C)
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).