MESON Chess Problem Database
Problem Display
PID: 161801 (5Qb1/3p4/3B4/1PNk4/1P1p1P2/1K2p3/1n4r1/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schach, 1981
#2
7 + 7
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Tries
- 1.Be5?
- threat
- 2.Qd6#
- 2.Qa8#
- 1...Sc4
- 2.Qa8#
- 1...d6
- 2.Qxd6#
- 2.Qa8#
- 1...Rg6!
- threat
- 1.Be7?
- threat
- 2.Qf5#
- 2.Qa8#
- 1...Rg5
- 2.Qa8#
- 1...Rg6
- 2.Qf5#
- 1...Be6
- 2.Qa8#
- 1...Bf7
- 2.Qxf7#
- 2.Qa8#
- 1...Bh7
- 2.Qf7#
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sc4
- 2.Qa8#
- 1...d3!
- threat
- 1.Bb8?
- threat
- 2.Qd6#
- 2.Qf5#
- 1...d3
- 2.Qd6#
- 1...Rg5
- 2.Qd6#
- 1...Rg6
- 2.Qf5#
- 1...Be6
- 2.Qd6#
- 1...Bf7
- 2.Qd6#
- 2.Qxf7#
- 1...Bh7
- 2.Qd6#
- 2.Qf7#
- 1...Sd3
- 2.Qd6#
- 1...d6
- 2.Qxd6#
- 2.Qf5#
- 1...Sc4!
- threat
- 1.Be5?
- Keys
- 1.Bc7!
- threat
- 2.Qd6#
- 2.Qf5#
- 2.Qa8#
- 1...d3
- 2.Qd6#
- 1...Rg5
- 2.Qd6#
- 2.Qa8#
- 1...Rg6
- 2.Qf5#
- 1...Be6
- 2.Qd6#
- 2.Qa8#
- 1...Bf7
- 2.Qd6#
- 2.Qxf7#
- 2.Qa8#
- 1...Bh7
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 1...Sd3
- 2.Qd6#
- 2.Qa8#
- 1...Sc4
- 2.Qa8#
- 1...d6
- 2.Qxd6#
- 2.Qf5#
- 2.Qa8#
- threat
- 1.Bc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB(G)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(b);::QAB(G)
- R(b);::QAR2(G)
- B(g);::QAB(G)
- S(a);::QAB(G)
- Refutation
- P(d);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(G)
- R(b);::QAR1(G)
- R(b);::QAR2(G)
- B(g);::QAR1(G)
- S(a);::QAR1(G)
- Refutation
- S(a);
- Try
- Actual
- B(F);
- Threat
- DUALS(3)
- Vars
- P(d);::QAR1(G)
- R(b);::QAR2(G)
- S(a);::QAB(G)
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).