MESON Chess Problem Database
Problem Display
PID: 1079 (r7/p3P3/B1k2N2/BpPN4/pP1P1b2/8/n1K5/8 w - - 0 1)
Cotton, William C
The Westminster Papers, 1870
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rd8
- 2.exd8S#
- 1...Bb8
- 2.e8Q#
- 2.e8B#
- 1...Sxb4+
- 2.Sxb4#
- 1...Rd8
- Tries
- 1.Bc8?
- threat
- 2.e8Q#
- 2.e8B#
- 1...Sxb4+
- 2.Sxb4#
- 1...Rb8
- 2.e8Q#
- 2.e8B#
- 1...Bc1
- 2.e8Q#
- 2.e8B#
- 1...Bd2
- 2.e8Q#
- 2.e8B#
- 1...Bh2
- 2.e8Q#
- 2.e8B#
- 1...Be3
- 2.e8Q#
- 2.e8B#
- 1...Bg3
- 2.e8Q#
- 2.e8B#
- 1...Be5
- 2.e8Q#
- 2.e8B#
- 1...Bg5
- 2.e8Q#
- 2.e8B#
- 1...Bd6
- 2.e8Q#
- 2.e8B#
- 1...Bh6
- 2.e8Q#
- 2.e8B#
- 1...Bc7
- 2.e8Q#
- 2.e8B#
- 1...Bb8
- 2.e8Q#
- 2.e8B#
- 1...Sc1
- 2.e8Q#
- 2.e8B#
- 1...Sc3
- 2.e8Q#
- 2.e8B#
- 1...a3
- 2.e8Q#
- 2.e8B#
- 1...a6
- 2.e8Q#
- 2.e8B#
- 1...Rxc8!
- threat
- 1.Bc8?
- Keys
- 1.Bd8!
- threat
- 2.e8Q#
- 2.e8B#
- 1...Sxb4+
- 2.Sxb4#
- 1...Rxd8
- 2.exd8S#
- 1...Rb8
- 2.e8Q#
- 2.e8B#
- 1...Rc8
- 2.e8Q#
- 2.e8B#
- 1...Bc1
- 2.e8Q#
- 2.e8B#
- 1...Bd2
- 2.e8Q#
- 2.e8B#
- 1...Bh2
- 2.e8Q#
- 2.e8B#
- 1...Be3
- 2.e8Q#
- 2.e8B#
- 1...Bg3
- 2.e8Q#
- 2.e8B#
- 1...Be5
- 2.e8Q#
- 2.e8B#
- 1...Bg5
- 2.e8Q#
- 2.e8B#
- 1...Bd6
- 2.e8Q#
- 2.e8B#
- 1...Bh6
- 2.e8Q#
- 2.e8B#
- 1...Bc7
- 2.e8Q#
- 2.e8B#
- 1...Bb8
- 2.e8Q#
- 2.e8B#
- 1...Sc1
- 2.e8Q#
- 2.e8B#
- 1...Sc3
- 2.e8Q#
- 2.e8B#
- 1...a3
- 2.e8Q#
- 2.e8B#
- threat
- 1.Bd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(g);OGATE::PXR(g)=S
- B(c);S_CUTR(g)::P=Q
- S(a);CHECK,XP(B)::S(F),XS(a)
- Tries
- Try
- B(G);
- Threat
- P=Q
- Vars
- S(a);CHECK,XP(B)::S(F),XS(a)
- R(g);::P=Q
- B(c);::P=Q
- S(a);::P=Q
- P(b);::P=Q
- P(f);::P=Q
- Refutation
- R(g);XB(G)
- Try
- Actual
- B(D);
- Threat
- P=Q
- Vars
- S(a);CHECK,XP(B)::S(F),XS(a)
- R(g);OGATE,XB(D)::PXR(g)=S
- R(g);::P=Q
- B(c);::P=Q
- S(a);::P=Q
- P(b);::P=Q
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).