MESON Chess Problem Database
Problem Display
PID: 262459 (8/8/2N1K3/8/4k3/2b1NR2/2P5/3B4 w - - 0 1)
Onkoud, Abdelaziz
1st HM., Europe Echecs, 1991
#2
6 + 2
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Tries
- 1.Sf1?
- threat
- 2.Sg3#
- 1...Be5
- 2.Sd2#
- 1...Be1!
- threat
- 1.Sg2?
- threat
- 2.Re3#
- 2.Rf4#
- 1...Bd4
- 2.Rf4#
- 1...Be5
- 2.Re3#
- 1...Bd2!
- threat
- 1.Sc4?
- threat
- 2.Sd6#
- 1...Be5
- 2.Sd2#
- 1...Bb4!
- threat
- 1.Sg4?
- threat
- 2.Sf2#
- 1...Be1
- 2.Sf6#
- 1...Bd4!
- threat
- 1.Sf5?
- threat
- 2.Sg3#
- 2.Sd6#
- 1...Be1
- 2.Sd6#
- 1...Bb4
- 2.Sg3#
- 1...Be5!
- threat
- 1.Sf1?
- Keys
- 1.Sd5!
- threat
- 2.Sxc3#
- 2.Re3#
- 2.Rf4#
- 1...Be1
- 2.Sf6#
- 2.Re3#
- 2.Rf4#
- 1...Ba1
- 2.Re3#
- 2.Rf4#
- 1...Bb2
- 2.Re3#
- 2.Rf4#
- 1...Bd2
- 2.Sf6#
- 1...Bb4
- 2.Sf6#
- 2.Re3#
- 2.Rf4#
- 1...Bd4
- 2.Rf4#
- 1...Ba5
- 2.Sf6#
- 2.Re3#
- 2.Rf4#
- 1...Be5
- 2.Re3#
- 1...Bf6
- 2.Sxf6#
- 2.Re3#
- 2.Rf4#
- 1...Bg7
- 2.Re3#
- 2.Rf4#
- 1...Bh8
- 2.Re3#
- 2.Rf4#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- S(C)
- Vars
- B(a);N_GUARD::S(C)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(a);::R1(D)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- S(C)
- Vars
- B(a);N_GUARD::S(C)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- S(C)
- Vars
- B(a);N_GUARD::S(C)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(a);::S(C)
- Refutation
- B(a);
- Try
- Actual
- S(C);
- Threat
- DUALS(3)
- Vars
- B(a);N_GUARD::S(C)
- B(a);::R1(D)
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).