MESON Chess Problem Database
Problem Display
PID: 15372 (8/1Q6/8/rp6/kp6/1p6/1K6/8 w - - 0 1)
Speckmann, Werner
Deutsche Schachzeitung, 1983
#2
2 + 5
| 2838 | Fun with Chess Miniatures | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Qxa6#
- 1...Ra7
- 2.Qxa7#
- 1...Ra8
- 2.Qxa8#
- 1...Ra6
- Tries
- 1.Qc6?
- 1...Ra6
- 2.Qxa6#
- 1...Ra8
- 2.Qxa8#
- 1...Ra7!
- 1...Ra6
- 1.Qa8?
- 1...Ra6
- 2.Qxa6#
- 1...Ra7
- 2.Qxa7#
- 1...Rxa8!
- 1...Ra6
- 1.Qc8?
- 1...Ra6
- 2.Qxa6#
- 1...Ra8
- 2.Qxa8#
- 1...Ra7!
- 1...Ra6
- 1.Qb6?
- 1...Ra6
- 2.Qxa6#
- 1...Ra7
- 2.Qxa7#
- 1...Ra8!
- 1...Ra6
- 1.Qa7?
- 1...Ra6
- 2.Qxa6#
- 1...Rxa7!
- 1...Ra6
- 1.Qb8?
- 1...Ra7
- 2.Qxa7#
- 1...Ra8
- 2.Qxa8#
- 1...Ra6!
- 1...Ra7
- 1.Qc6?
- Keys
- 1.Qh1!
- threat
- 2.Qa1#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(d);OGATEB::QAR2(B),XR(d)
- R(d);OGATEB::QAR(B),XR(d)
- Tries
- Try
- Q(B);P_PINP(e)
- Vars
- R(d);OGATEB::QAR2(B),XR(d)
- R(d);OGATEB::QAR(B),XR(d)
- Refutation
- R(d);
- Try
- Q(B);P_PINR(d)
- Vars
- R(d);OGATEB::QAR2(B),XR(d)
- R(d);OGATEB::QAR(B),XR(d)
- Refutation
- R(d);N_SPINR(d),XQ(B)
- Try
- Q(B);
- Vars
- R(d);OGATEB::QAR2(B),XR(d)
- R(d);OGATEB::QAR(B),XR(d)
- Refutation
- R(d);
- Try
- Q(B);
- Vars
- R(d);OGATEB::QAR2(B),XR(d)
- R(d);OGATEB::QAR(B),XR(d)
- Refutation
- R(d);
- Try
- Q(B);P_PINR(d)
- Vars
- R(d);OGATEB::QAR2(B),XR(d)
- Refutation
- R(d);N_SPINR(d),XQ(B)
- Try
- Q(B);
- Vars
- R(d);OGATEB::QAR(B),XR(d)
- Refutation
- R(d);
- Try
- Actual
- Q(B);
- Threat
- QAR(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).