MESON Chess Problem Database
Problem Display
PID: 92750 (2b1N3/8/qp1K4/1pp2k2/6Rp/7P/2P2N2/6R1 w - - 0 1)
Onkoud, Abdelaziz
Les Echos du Touquet, 1997
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Sd1?
- threat
- 2.Se3#
- 2.Rf1#
- 1...Qb7
- 2.Se3#
- 1...Qa4
- 2.Se3#
- 1...Qa8
- 2.Se3#
- 1...Bb7
- 2.Se3#
- 1...b4
- 2.Se3#
- 1...Qa3!
- threat
- 1.Sd3?
- threat
- 2.Rf1#
- 2.Rf4#
- 1...Qb7
- 2.Rf4#
- 1...Qa1
- 2.Rf4#
- 1...Qa8
- 2.Rf4#
- 1...Bb7
- 2.Rf4#
- 1...Qa4!
- threat
- 1.Se4?
- threat
- 2.Sg7#
- 2.Rf1#
- 1...Qb7
- 2.Rf1#
- 1...Qa3
- 2.Sg7#
- 1...Qa7
- 2.Rf1#
- 1...b4
- 2.Sg7#
- 1...Qa1!
- threat
- 1.Sd1?
- Keys
- 1.Rf1!
- threat
- 2.Sd1#
- 2.Sh1#
- 2.Sd3#
- 2.Se4#
- 1...Qa1
- 2.Sd1#
- 1...Qb7
- 2.Se4#
- 1...Qa3
- 2.Sd3#
- 1...Qa4
- 2.Se4#
- 1...Qa8
- 2.Se4#
- 1...Bb7
- 2.Se4#
- 1...b4
- 2.Sd3#
- threat
- 1.Rf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(e);::S(C)
- B(g);::S(C)
- P(b);::S(C)
- Refutation
- Q(e);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(e);::R1(E)
- B(g);::R1(E)
- Refutation
- Q(e);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(e);::R(A)
- Q(e);::S(G)
- P(b);::S(G)
- Refutation
- Q(e);
- Try
- Actual
- R(A);
- Threat
- DUALS(4)
- Vars
- Q(e);::R(A)+S(C)
- B(g);::R(A)+S(C)
- P(b);::R(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).