MESON Chess Problem Database
Problem Display
PID: 129776 (2Q5/8/pPn5/p1P5/K3P3/1BBk1p1N/1P3P2/8 w - - 0 1)
Erlin, Konrad (AKA Erlinger, Konrad)
Kagans Neueste Schachnachrichten, 1921
#2
10 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ke2
- 2.Qxa6#
- 1...Ke2
- Tries
- 1.Qf5?
- threat
- 2.Sf4#
- 2.Qxf3#
- 1...Sd4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Ke2!
- threat
- 1.Qe6?
- threat
- 2.Sf4#
- 2.Qc4#
- 1...Ke2
- 2.Qc4#
- 1...Sd4
- 2.Sf4#
- 1...Se5!
- threat
- 1.Qd7+?
- 1...Ke2
- 2.Bc4#
- 2.Qd1#
- 1...Kxe4
- 2.Bc2#
- 2.Qd5#
- 2.Qh7#
- 1...Sd4!
- 1...Ke2
- 1.Qa8?
- 1...Ke2
- 2.Qxa6#
- 1...Sb4
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sa7
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Sb8
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Kxe4!
- 1...Ke2
- 1.Qf5?
- Keys
- 1.Qb7!
- 1...Ke2
- 2.Qxa6#
- 1...Kxe4
- 2.Qh7#
- 1...Sb4
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sa7
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Sb8
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Ke2
- 1.Qb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- K(a);S_FLIGHT::QAB(J),XP(d)
- Tries
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- S(e);::S(E)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT::QAB(J)
- S(e);::S(E)
- Refutation
- S(e);
- Try
- Q(J);CHECK
- Refutation
- S(e);P_SPINS(e)
- Try
- Q(J);
- Vars
- K(a);S_FLIGHT::QAB(J),XP(d)
- S(e);::S(E)
- Refutation
- K(a);P_SPINS(e),S_FLIGHT,XP(G)
- Try
- Actual
- Q(J);
- Vars
- K(a);S_FLIGHT::QAB(J),XP(d)
- K(a);OGATEB,P_SPINS(e),S_FLIGHT,XP(G)::QAB(J)
- S(e);::S(E)
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).