MESON Chess Problem Database
Problem Display
PID: 15658 (8/8/2N5/Q2pNpB1/1K2k3/7p/3p4/8 w - - 0 1)
Froberg, Johan Hilding Laurentius
Springaren, 1986
#2
5 + 5
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Qb6?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...d4
- 2.Qxd4#
- 1...d1Q
- 2.Qe3#
- 1...d1S
- 2.Qd4#
- 1...d1R
- 2.Qe3#
- 1...f4!
- threat
- 1.Qc5?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.Qc2#
- 1...d1Q
- 2.Qe3#
- 1...d1S
- 2.Qd4#
- 2.Qc2#
- 1...d1B
- 2.Qe3#
- 2.Qd4#
- 1...d1R
- 2.Qe3#
- 1...d4
- 2.Qxd4#
- 1...f4!
- threat
- 1.Qa7?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...d4
- 2.Qxd4#
- 1...d1Q
- 2.Qe3#
- 1...d1S
- 2.Qd4#
- 1...d1R
- 2.Qe3#
- 1...f4!
- threat
- 1.Qb6?
- Keys
- 1.Qa3!
- threat
- 2.Qd3#
- 2.Qe3#
- 2.Qf3#
- 1...d4
- 2.Qf3#
- 1...f4
- 2.Qd3#
- 1...d1Q
- 2.Qe3#
- 1...d1S
- 2.Qd3#
- 2.Qf3#
- 1...d1B
- 2.Qd3#
- 2.Qe3#
- 1...d1R
- 2.Qe3#
- 2.Qf3#
- threat
- 1.Qa3!
This anticipates 16027(2000)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(B),XP(d)
- P(a);::QAR1(B)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(a);::QAR1(B)
- P(d);::QAR1(B),XP(d)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(B),XP(d)
- P(a);::QAR1(B)
- Refutation
- P(e);
- Try
- Actual
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(d);::QAB1(B)
- P(e);::QAB1(B)
- P(a);::QAR1(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).