MESON Chess Problem Database
Problem Display
PID: 123036 (8/8/3R4/1P3kr1/QP3rb1/5p2/2P2K2/4R3 w - - 0 1)
Ugren, Ljubomir
Yugoslav Championship QCT, 1983
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Qa6?
- threat
- 2.Rd5#
- 2.Rf6#
- 2.Qc8#
- 1...Rxb4
- 2.Rf6#
- 1...Rc4
- 2.Rf6#
- 1...Rd4
- 2.Rf6#
- 1...Rh5
- 2.Rd5#
- 1...Rg6
- 2.Rd5#
- 1...Rg7
- 2.Rd5#
- 1...Rg8
- 2.Rd5#
- 1...Bh3
- 2.Qc8#
- 1...Bh5
- 2.Qc8#
- 1...Re4!
- threat
- 1.Qa7?
- threat
- 2.Qc5#
- 2.Qd7#
- 2.Qf7#
- 1...Rxb4
- 2.Qf7#
- 1...Rc4
- 2.Qf7#
- 1...Rd4
- 2.Qf7#
- 1...Rh5
- 2.Qc5#
- 1...Rg6
- 2.Qc5#
- 1...Rg7
- 2.Qc5#
- 1...Rg8
- 2.Qc5#
- 1...Bh3
- 2.Qd7#
- 1...Bh5
- 2.Qd7#
- 1...Re4!
- threat
- 1.Qa6?
- Keys
- 1.Qa8!
- threat
- 2.Qd5#
- 2.Qc8#
- 2.Qf8#
- 1...Rxb4
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rd4
- 2.Qf8#
- 1...Re4
- 2.Qxe4#
- 1...Rh5
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Rg7
- 2.Qd5#
- 1...Rg8
- 2.Qd5#
- 1...Bh3
- 2.Qc8#
- 1...Bh5
- 2.Qc8#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(b);XP(E)::R1(G)
- R(b);::R1(G)
- R(e);::R(G)
- B(c);::QAB(D)
- Refutation
- R(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(b);XP(E)::QAR2(D)
- R(b);::QAR2(D)
- R(e);::QAR(D)
- B(c);::QAB(D)
- Refutation
- R(b);
- Try
- Actual
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(b);XP(E)::QAR(D)
- R(b);::QAR(D)
- R(b);N_GUARD::QAB1(D),XR(b)
- R(e);::QAR2(D)
- B(c);::QAB(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).