MESON Chess Problem Database
Problem Display
PID: 167754 (k7/2b5/K1N5/3R4/R7/8/8/8 w - - 0 1)
Lincoln, Robert A
StrateGems, 2017
#2
4 + 2
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Kb6#
- 1...Bg3
- 2.Kb6#
- 1...Bf4
- 2.Kb6#
- 1...Be5
- 2.Kb6#
- 1...Bb6
- 2.Kxb6#
- 1...Bd6
- 2.Kb6#
- 1...Bd8
- 2.Rxd8#
- 1...Bh2
- Tries
- 1.Rd7?
- 1...Ba5
- 2.Ra7#
- 1...Bh2
- 2.Kb5#
- 2.Kb6#
- 2.Ra7#
- 1...Bg3
- 2.Kb5#
- 2.Kb6#
- 2.Ra7#
- 1...Bf4
- 2.Kb5#
- 2.Kb6#
- 2.Ra7#
- 1...Be5
- 2.Kb5#
- 2.Kb6#
- 2.Ra7#
- 1...Bb6
- 2.Kxb6#
- 1...Bd6
- 2.Kb5#
- 2.Kb6#
- 2.Ra7#
- 1...Bd8
- 2.Ra7#
- 2.Rxd8#
- 1...Bb8!
- 1...Ba5
- 1.Rd8+?
- 1...Bb8
- 2.Kb6#
- 2.Rxb8#
- 1...Bxd8!
- 1...Bb8
- 1.Rd7?
- Keys
- 1.Rb5!
- 1...Bh2
- 2.Kb6#
- 1...Bg3
- 2.Kb6#
- 1...Bf4
- 2.Kb6#
- 1...Ba5
- 2.Rb8#
- 1...Be5
- 2.Kb6#
- 1...Bb6
- 2.Kxb6#
- 1...Bd6
- 2.Kb6#
- 1...Bb8
- 2.Rxb8#
- 1...Bd8
- 2.Rb8#
- 1...Bh2
- 1.Rb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);::R(A)+K(C)
- B(a);::R(A)+K(C),XB(a)
- B(a);N_GUARD::R(B),XB(a)
- Tries
- Try
- R(B);
- Vars
- B(a);OGATE::R1(B)
- B(a);::R(A)+K(C),XB(a)
- Refutation
- B(a);
- Try
- R(B);CHECK
- Refutation
- B(a);XR(B)
- Try
- Actual
- R(B);
- Vars
- B(a);::R(A)+K(C)
- B(a);N_GUARD::R1(B)
- B(a);::R(A)+K(C),XB(a)
- B(a);N_GUARD::R1(B),XB(a)
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).