MESON Chess Problem Database
Problem Display
PID: 255605 (k7/ppK5/2R5/5b2/8/5B2/8/8 w - - 0 1)
Boergoe, Emil
Wiener Schachzeitung, 1934
#2
3 + 4
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...bxc6
- 2.Bxc6#
- 1...a5
- Tries
- 1.Rd6?
- threat
- 2.Bxb7#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Be4
- 2.Rd8#
- 1...Bc8!
- threat
- 1.Rf6?
- threat
- 2.Bxb7#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Be4
- 2.Rf8#
- 1...Bc8!
- threat
- 1.Rg6?
- threat
- 2.Bxb7#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Be4
- 2.Rg8#
- 1...Bc8!
- threat
- 1.Rh6?
- threat
- 2.Bxb7#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Be4
- 2.Rh8#
- 1...Bc8!
- threat
- 1.Rd6?
- Keys
- 1.Re6!
- threat
- 2.Bxb7#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Be4
- 2.Re8#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- P(b);OGATEB::R(B)
- P(b);OGATEB::R(B),XP(b)
- P(c);OGATE,P_SPINP(c),XR(B)::B(A),XP(c)
- Tries
- Try
- R(B);P_PINP(c)
- Threat
- B(A),XP(c)
- Vars
- P(b);OGATEB::R(B)
- P(b);OGATEB::R(B),XP(b)
- B(a);N_GUARD,N_SPINP(c)::R(B)
- Refutation
- B(a);
- Try
- R(B);P_PINP(c)
- Threat
- B(A),XP(c)
- Vars
- P(b);OGATEB::R(B)
- P(b);OGATEB::R(B),XP(b)
- B(a);N_GUARD,N_SPINP(c)::R(B)
- Refutation
- B(a);
- Try
- R(B);P_PINP(c)
- Threat
- B(A),XP(c)
- Vars
- P(b);OGATEB::R(B)
- P(b);OGATEB::R(B),XP(b)
- B(a);N_GUARD,N_SPINP(c)::R(B)
- Refutation
- B(a);
- Try
- R(B);P_PINP(c)
- Threat
- B(A),XP(c)
- Vars
- P(b);OGATEB::R(B)
- P(b);OGATEB::R(B),XP(b)
- B(a);N_GUARD,N_SPINP(c)::R(B)
- Refutation
- B(a);
- Try
- Actual
- R(B);P_PINP(c)
- Threat
- B(A),XP(c)
- Vars
- P(b);OGATEB::R(B)
- P(b);OGATEB::R(B),XP(b)
- B(a);N_GUARD,N_SPINP(c)::R(B)
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).