MESON Chess Problem Database
Problem Display
PID: 138878 (4B3/8/8/3Np3/2R1npk1/Q4N1p/7P/6K1 w - - 0 1)
Jensen, W
Svenska Dagbladet, 1904
#2
7 + 5
| 3530 | Het Half Pin Thema (II) | 1947 |
SOLUTION
- SOUND
- Tries
- 1.Se3+?
- 1...Kxf3
- 2.Bh5#
- 1...fxe3!
- 1...Kxf3
- 1.Bg6?
- 1...Sd2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sg3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc3!
- 1...Sd2
- 1.Qd3?
- 1...Sd2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sc3
- 2.Sf6#
- 1...Sg3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Kf5!
- 1...Sd2
- 1.Se3+?
- Keys
- 1.Qa8!
- 1...Kxf3
- 2.Bh5#
- 1...Kf5
- 2.Qc8#
- 1...Sd2
- 2.Se3#
- 1...Sf2
- 2.Se3#
- 1...Sc3
- 2.Se3#
- 1...Sg3
- 2.Se3#
- 1...Sc5
- 2.Se3#
- 1...Sg5
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Kxf3
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);CHECK
- Vars
- K(d);S_FLIGHT,XS(D)::B(G)
- Refutation
- P(c);P_SPINS(b),XS(F)
- Try
- B(G);
- Vars
- S(b);N_GUARD,P_SPINP(c)::S(F)
- S(b);N_GUARD,P_SPINP(c)::S(F),XS(b)
- Refutation
- S(b);P_SPINP(c)
- Try
- Q(C);
- Vars
- S(b);N_GUARD,P_SPINP(c)::S(F)
- S(b);N_GUARD,P_SPINP(c)::S(F),XS(b)
- Refutation
- K(d);P_SPINS(b),S_FLIGHT
- Try
- Actual
- Q(C);
- Vars
- K(d);S_FLIGHT,XS(D)::B(G)
- K(d);S_FLIGHT::QAB(C)
- S(b);P_SPINP(c)::S(F)
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).