MESON Chess Problem Database
Problem Display
PID: 122133 (1QB5/3p3N/4npn1/4rk2/2P5/3P1NK1/8/8 w - - 0 1)
Pierce, James
La Presse, 1895
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sef8
- 2.Sd4#
- 1...Sgf4
- 2.Sh4#
- 1...Sh4
- 2.Sxh4#
- 1...Se7
- 2.Sh4#
- 1...Sgf8
- 2.Sh4#
- 1...Sh8
- 2.Sh4#
- 1...d5
- 2.Sd4#
- 1...d6
- 2.Sd4#
- 1...Sd4
- Tries
- 1.Qxe5+?
- 1...Sxe5
- 2.Sh4#
- 1...fxe5!
- 1...Sxe5
- 1.Qxe5+?
- Keys
- 1.Qb2!
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sef8
- 2.Sd4#
- 1...Sgf4
- 2.Sh4#
- 1...Sh4
- 2.Sxh4#
- 1...Se7
- 2.Sh4#
- 1...Sgf8
- 2.Sh4#
- 1...Sh8
- 2.Sh4#
- 1...Re1
- 2.Qxf6#
- 1...Re2
- 2.Qxf6#
- 1...Re3
- 2.Qxf6#
- 1...Re4
- 2.Qxf6#
- 1...Ra5
- 2.Qxf6#
- 1...Rb5
- 2.Qxf6#
- 1...Rc5
- 2.Qxf6#
- 1...Rd5
- 2.Qxf6#
- 1...d5
- 2.Sd4#
- 1...d6
- 2.Sd4#
- 1...Sd4
- 1.Qb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD,P_SPINP(f)::S(B),XS(c)
- S(c);N_GUARD,P_SPINP(f)::S(B)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(f);P_SPINS(c)::S(B)
- Tries
- Try
- Q(F);CHECK,XR(a)
- Vars
- S(e);SBLOCK,XQ(F)::S(B)
- Refutation
- P(d);XQ(F)
- Try
- Actual
- Q(F);
- Vars
- S(c);N_GUARD,P_SPINP(f)::S(B),XS(c)
- S(c);N_GUARD,P_SPINP(f)::S(B)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- R(a);OGATE::QAR1(F),XP(d)
- R(a);OGATE,P_PINS(B)::QAR1(F),XP(d)
- P(f);P_SPINS(c)::S(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).