MESON Chess Problem Database
Problem Display
PID: 221750 (2k4K/1pPp4/8/4B3/2B3p1/4Q3/8/2R5 w - - 0 1)
Hjelle, David
Suomen Shakki, 1947
#2
6 + 4
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...b6
- 2.Ba6#
- 1...d6
- 2.Be6#
- 1...b6
- Tries
- 1.Bg3?
- threat
- 2.Qe8#
- 1...b6
- 2.Ba6#
- 1...d6
- 2.Be6#
- 1...b5!
- threat
- 1.Bf4?
- threat
- 2.Qe8#
- 1...b6
- 2.Ba6#
- 1...d6
- 2.Be6#
- 1...b5!
- threat
- 1.Bd6?
- threat
- 2.Qe8#
- 1...b6
- 2.Ba6#
- 1...b5!
- threat
- 1.Qf2?
- threat
- 2.Qf8#
- 1...b6
- 2.Ba6#
- 1...d5
- 2.Qf5#
- 1...d6
- 2.Be6#
- 1...b5!
- threat
- 1.Qf4?
- threat
- 2.Qf8#
- 1...b6
- 2.Ba6#
- 1...d5
- 2.Qxg4#
- 2.Qf5#
- 1...d6
- 2.Be6#
- 1...b5!
- threat
- 1.Qg5?
- threat
- 2.Qd8#
- 2.Qg8#
- 1...b6
- 2.Ba6#
- 1...d5
- 2.Qd8#
- 2.Qxg4#
- 2.Qf5#
- 1...d6
- 2.Be6#
- 2.Qd8#
- 1...b5!
- threat
- 1.Qb6?
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Be6#
- 1...g3!
- 1...d5
- 1.Qa7?
- threat
- 2.Qb8#
- 2.Qa8#
- 1...d6
- 2.Be6#
- 1...d5!
- threat
- 1.Qa3?
- threat
- 2.Qf8#
- 2.Qa8#
- 1...b5
- 2.Qa6#
- 2.Qa8#
- 1...b6
- 2.Ba6#
- 2.Qa6#
- 2.Qa8#
- 1...d6
- 2.Be6#
- 1...d5!
- threat
- 1.Qf3?
- threat
- 2.Qf8#
- 1...d5
- 2.Qxg4#
- 2.Qf5#
- 1...d6
- 2.Be6#
- 1...b5
- 2.Qa8#
- 1...b6
- 2.Ba6#
- 2.Qa8#
- 1...gxf3!
- threat
- 1.Qg3?
- 1...b6
- 2.Ba6#
- 1...d5
- 2.Qxg4#
- 1...d6
- 2.Be6#
- 1...b5!
- 1...b6
- 1.Qe4?
- 1...d5
- 2.Qf5#
- 2.Qxg4#
- 1...d6
- 2.Be6#
- 1...b5
- 2.Qa8#
- 1...b6
- 2.Ba6#
- 2.Qa8#
- 1...g3!
- 1...d5
- 1.Bg3?
- Keys
- 1.Qh6!
- threat
- 2.Qf8#
- 1...b5
- 2.Qa6#
- 1...b6
- 2.Ba6#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Be6#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(b);OGATEB::B(C)
- P(c);OGATEB::B(C)
- Tries
- Try
- B(D);
- Threat
- QAR2(B)
- Vars
- P(b);OGATEB::B(C)
- P(c);OGATEB::B(C)
- Refutation
- P(b);
- Try
- B(D);
- Threat
- QAR2(B)
- Vars
- P(b);OGATEB::B(C)
- P(c);OGATEB::B(C)
- Refutation
- P(b);
- Try
- B(D);
- Threat
- QAR2(B)
- Vars
- P(b);OGATEB::B(C)
- Refutation
- P(b);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- P(b);OGATEB::B(C)
- P(c);OGATEB::QAB(B)
- P(c);OGATEB::B(C)
- Refutation
- P(b);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- P(b);OGATEB::B(C)
- P(c);OGATEB::B(C)
- Refutation
- P(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::B(C)
- Refutation
- P(b);
- Try
- Q(B);
- Vars
- P(c);OGATEB::QAB(B)
- P(c);OGATEB::B(C)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(c);OGATEB::B(C)
- Refutation
- P(c);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(c);OGATEB::B(C)
- Refutation
- P(c);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- P(c);OGATEB::B(C)
- P(b);OGATE::QAR2(B)
- Refutation
- P(a);XQ(B)
- Try
- Q(B);
- Vars
- P(b);OGATEB::B(C)
- P(c);OGATEB::QAB(B),XP(a)
- P(c);OGATEB::B(C)
- Refutation
- P(b);
- Try
- Q(B);
- Vars
- P(c);OGATEB::B(C)
- P(b);OGATE::QAR2(B)
- Refutation
- P(a);
- Try
- Actual
- Q(B);
- Threat
- QAR(B)
- Vars
- P(b);OGATEB::QAB(B)
- P(b);OGATEB::B(C)
- P(c);OGATEB::QAB(B)
- P(c);OGATEB::B(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).