MESON Chess Problem Database
Problem Display
PID: 161874 (8/3K4/3N4/1p1k4/3n1P2/3N4/5B2/R7 w - - 0 1)
Dujardin, Paul
Scacchi e Scienze Applicate 15. TT, 1998
#2
6 + 3
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Sb4#
- 1...Sb3
- 2.Sb4#
- 1...Sf3
- 2.Sb4#
- 1...Sf5
- 2.Sb4#
- 1...Se6
- 2.Sb4#
- 1...Se2
- Tries
- 1.Rb1?
- 1...Sc2
- 2.Rxb5#
- 1...Se2
- 2.Sb4#
- 2.Rxb5#
- 1...Sb3
- 2.Sb4#
- 1...Sf3
- 2.Sb4#
- 2.Rxb5#
- 1...Sf5
- 2.Sb4#
- 2.Rxb5#
- 1...Sc6
- 2.Rxb5#
- 1...Se6
- 2.Sb4#
- 1...b4!
- 1...Sc2
- 1.Rc1?
- threat
- 2.Sb4#
- 2.Rc5#
- 1...Sb3
- 2.Sb4#
- 1...Sc6
- 2.Rc5#
- 1...Se6
- 2.Sb4#
- 1...b4
- 2.Sxb4#
- 2.Rc5#
- 1...Sc2!
- threat
- 1.Rd1?
- 1...Sc2
- 2.Sb4#
- 1...Se2
- 2.Sb4#
- 1...Sb3
- 2.Sb4#
- 1...Sf3
- 2.Sb4#
- 1...Sf5
- 2.Sb4#
- 1...Sc6
- 2.Sb4#
- 1...Se6
- 2.Sb4#
- 1...b4!
- 1...Sc2
- 1.Re1?
- threat
- 2.Re5#
- 1...Se2
- 2.Sb4#
- 1...Sf3
- 2.Sb4#
- 1...Sc6!
- threat
- 1.Rb1?
- Keys
- 1.Ra5!
- 1...Sc2
- 2.Rxb5#
- 1...Se2
- 2.Sb4#
- 2.Rxb5#
- 1...Sb3
- 2.Sb4#
- 1...Sf3
- 2.Sb4#
- 2.Rxb5#
- 1...Sf5
- 2.Sb4#
- 2.Rxb5#
- 1...Sc6
- 2.Rxb5#
- 1...Se6
- 2.Sb4#
- 1...Sc2
- 1.Ra5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- S(a);::S(C)
- Tries
- Try
- R(A);
- Vars
- S(a);N_GUARD::R(A),XP(b)
- S(a);::S(C)
- Refutation
- P(b);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(a);::S(C)
- S(a);::R1(A)
- Refutation
- S(a);
- Try
- R(A);
- Vars
- S(a);::R(A)+S(C),DCHECK
- Refutation
- P(b);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- S(a);::S(C)
- Refutation
- S(a);
- Try
- Actual
- R(A);P_PINP(b)
- Vars
- S(a);N_GUARD::R(A),XP(b)
- S(a);::S(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).