MESON Chess Problem Database
Problem Display
PID: 245191 (3Bk3/3pPp2/7P/8/8/4p3/4Qp2/5K2 w - - 0 1)
Petite, Efren
Scacchi e Scienze Applicate, 1991
#2
5 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...d5
- 2.Qb5#
- 1...d6
- 2.Qb5#
- 1...f5
- 2.Qh5#
- 1...f6
- 2.Qh5#
- 1...d5
- Tries
- 1.Qd1?
- 1...d5
- 2.Qa4#
- 1...d6
- 2.Qa4#
- 1...f5
- 2.Qh5#
- 1...f6
- 2.Qh5#
- 1...e2+!
- 1...d5
- 1.Qc4?
- 1...d5
- 2.Qb5#
- 2.Qa4#
- 2.Qc6#
- 1...d6
- 2.Qb5#
- 2.Qa4#
- 2.Qc6#
- 1...f5
- 2.Qg8#
- 1...f6
- 2.Qg8#
- 1...e2+!
- 1...d5
- 1.Qg4?
- threat
- 2.Qg8#
- 1...d5
- 2.Qa4#
- 1...d6
- 2.Qa4#
- 1...e2+!
- threat
- 1.Qa2?
- 1...d5
- 2.Qa4#
- 1...d6
- 2.Qa4#
- 1...f5
- 2.Qg8#
- 1...f6
- 2.Qg8#
- 1...e2+!
- 1...d5
- 1.Qd1?
- Keys
- 1.h7!
- threat
- 2.h8Q#
- 2.h8R#
- 1...d5
- 2.Qb5#
- 1...d6
- 2.Qb5#
- 1...f5
- 2.Qh5#
- 1...f6
- 2.Qh5#
- threat
- 1.h7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(c);OGATEB::QAB(B)
- P(d);OGATEB::QAB(B)
- Tries
- Try
- Q(B);
- Vars
- P(c);OGATEB::QAB(B)
- P(d);OGATEB::QAB(B)
- Refutation
- P(b);CHECK
- Try
- Q(B);
- Vars
- P(d);OGATE::QAR2(B)
- Refutation
- P(b);CHECK
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- P(c);OGATEB::QAB(B)
- Refutation
- P(b);CHECK
- Try
- Q(B);
- Vars
- P(c);OGATEB::QAB(B)
- P(d);OGATE::QAR2(B)
- Refutation
- P(b);CHECK
- Try
- Actual
- P(C);
- Threat
- P=Q
- Vars
- P(c);OGATEB::QAB(B)
- P(d);OGATEB::QAB(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).