MESON Chess Problem Database
Problem Display
PID: 201724 (8/8/5B2/2N5/2br4/4NQ2/3nP3/K1k5 w - - 0 1)
Russell, EJ
San Francisco Chronicle, 1922
#2
6 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Bb2#
- 1...Re4
- 2.Bb2#
- 1...Rf4
- 2.Bb2#
- 1...Rg4
- 2.Bb2#
- 1...Rh4
- 2.Bb2#
- 1...Rd5
- 2.Bb2#
- 1...Rd6
- 2.Bb2#
- 1...Rd7
- 2.Bb2#
- 1...Rd8
- 2.Bb2#
- 1...Rd3
- Tries
- 1.Sd3+?
- 1...Rxd3
- 2.Bb2#
- 1...Bxd3!
- 1...Rxd3
- 1.Sd3+?
- Keys
- 1.Qc6!
- 1...Sb3+
- 2.Sxb3#
- 1...Bxe2
- 2.Sb3#
- 2.Sd3#
- 1...Sb1
- 2.Sb3#
- 1...Sf1
- 2.Sb3#
- 1...Sf3
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Rd3
- 2.Sxd3#
- 2.Bb2#
- 1...Re4
- 2.Sd3#
- 2.Bb2#
- 1...Rf4
- 2.Sd3#
- 2.Bb2#
- 1...Rg4
- 2.Sd3#
- 2.Bb2#
- 1...Rh4
- 2.Sd3#
- 2.Bb2#
- 1...Rd5
- 2.Bb2#
- 1...Rd6
- 2.Bb2#
- 1...Rd7
- 2.Bb2#
- 1...Rd8
- 2.Bb2#
- 1...Ba2
- 2.Sb3#
- 2.Sd3#
- 1...Bb3
- 2.Sxb3#
- 2.Sd3#
- 1...Bd3
- 2.Sb3#
- 2.Sxd3#
- 1...Bb5
- 2.Sb3#
- 2.Sd3#
- 1...Bd5
- 2.Sb3#
- 2.Sd3#
- 1...Ba6
- 2.Sb3#
- 2.Sd3#
- 1...Be6
- 2.Sb3#
- 2.Sd3#
- 1...Bf7
- 2.Sb3#
- 2.Sd3#
- 1...Bg8
- 2.Sb3#
- 2.Sd3#
- 1...Sb3+
- 1.Qc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(d);OGATE::B(F)
- Tries
- Try
- S(E);CHECK
- Vars
- R(d);OGATE,XS(E)::B(F)
- Refutation
- B(c);XS(E)
- Try
- Actual
- Q(D);
- Vars
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(b);N_GUARD::S(E)
- R(d);OGATE::B(F)
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).