MESON Chess Problem Database
Problem Display
PID: 134627 (8/5K1p/7k/2Q4p/8/8/3b4/8 w - - 0 1)
Aliovsadzade, Rauf Gadzhiaga ogli
Melnichuk, Aleksandr Nikolaevich
Shmatov, Vladimir Afanasievich
StrateGems, 2009
#2
2 + 4
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qxc1#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Ba5
- 2.Qe3#
- 1...Bg5
- 2.Qf8#
- 1...Bc1
- Tries
- 1.Qd4?
- threat
- 2.Qf6#
- 2.Qg7#
- 2.Qxd2#
- 1...h4
- 2.Qxh4#
- 1...Bc1
- 2.Qf6#
- 2.Qg7#
- 1...Be1
- 2.Qe3#
- 2.Qf6#
- 2.Qg7#
- 2.Qf4#
- 1...Bc3
- 2.Qe3#
- 2.Qf4#
- 1...Be3
- 2.Qxe3#
- 2.Qf6#
- 2.Qg7#
- 1...Bb4
- 2.Qe3#
- 2.Qf6#
- 2.Qg7#
- 2.Qf4#
- 1...Bf4
- 2.Qf6#
- 2.Qg7#
- 2.Qxf4#
- 1...Ba5
- 2.Qe3#
- 2.Qf6#
- 2.Qg7#
- 2.Qf4#
- 1...Bg5
- 2.Qg7#
- 1...Kg5!
- threat
- 1.Qe5?
- threat
- 2.Qf6#
- 2.Qg7#
- 1...Bc3
- 2.Qf4#
- 2.Qe3#
- 1...Bg5
- 2.Qg7#
- 1...h4!
- threat
- 1.Qd4?
- Keys
- 1.Qe7!
- threat
- 2.Qf6#
- 1...h4
- 2.Qxh4#
- 1...Bc3
- 2.Qe3#
- 1...Bg5
- 2.Qf8#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::QAB(A)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- P(b);OGATEB::QAR2(A),XP(b)
- B(a);::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(A)
- Refutation
- P(b);
- Try
- Actual
- Q(A);
- Threat
- QAR2(A)
- Vars
- P(b);OGATEB::QAR2(A),XP(b)
- B(a);N_GUARD::QAB(A)
- B(a);SBLOCK::QAB(A)
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).