MESON Chess Problem Database
Problem Display
PID: 222454 (8/8/5N1R/4Bk2/4n2K/3r2P1/2N5/7Q w - - 0 1)
Gale, George W
San Francisco Argonaut, 1884
#2
7 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Sd7?
- threat
- 2.Qh3#
- 2.g4#
- 1...Rxg3
- 2.Sd4#
- 1...Sxg3
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...Sd2
- 2.Rf6#
- 2.g4#
- 1...Sf2
- 2.Rf6#
- 1...Sc3
- 2.Rf6#
- 2.g4#
- 1...Sc5
- 2.Rf6#
- 2.g4#
- 1...Sg5
- 2.Rf6#
- 2.g4#
- 1...Sd6
- 2.Rf6#
- 2.g4#
- 1...Rxd7!
- threat
- 1.Sd7?
- Keys
- 1.Sg4!
- 1...Rxg3
- 2.Sd4#
- 1...Sxg3
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...Rd1
- 2.Sce3#
- 2.Qf3#
- 1...Rd2
- 2.Sce3#
- 2.Qf3#
- 1...Ra3
- 2.Sd4#
- 1...Rb3
- 2.Sd4#
- 1...Rc3
- 2.Sd4#
- 1...Re3
- 2.Scxe3#
- 2.Sd4#
- 1...Rf3
- 2.Sd4#
- 2.Qxf3#
- 1...Rd4
- 2.Sce3#
- 2.Sxd4#
- 2.Qf3#
- 1...Rd5
- 2.Sce3#
- 2.Qf3#
- 1...Rd6
- 2.Sce3#
- 2.Qf3#
- 1...Rd7
- 2.Sce3#
- 2.Qf3#
- 1...Rd8
- 2.Sce3#
- 2.Qf3#
- 1...Sd2
- 2.Rf6#
- 1...Sf2
- 2.Rf6#
- 1...Sc3
- 2.Rf6#
- 1...Sc5
- 2.Rf6#
- 1...Sg5
- 2.Rf6#
- 1...Sd6
- 2.Rf6#
- 1...Rxg3
- 1.Sg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(C)::S(B)
- S(b);N_GUARD,XP(C)::R1(G)
- S(b);N_GUARD::R1(G),XS(b)
- S(b);N_GUARD::R1(G)
- Refutation
- R(a);XS(F)
- Try
- Actual
- S(F);
- Vars
- R(a);N_GUARD,XP(C)::S(B)
- S(b);N_GUARD,XP(C)::R1(G)
- S(b);N_GUARD::R1(G),XS(b)
- R(a);N_GUARD::S(B)
- S(b);N_GUARD::R1(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).