MESON Chess Problem Database
Problem Display
PID: 175238 (8/8/R3n2P/6k1/5NPp/3p3p/3K1Q1P/6R1 w - - 0 1)
Ohlsson, Anders V
The Times, 1902
#2
8 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sd4
- 2.Sxh3#
- 2.Rg6#
- 1...Sc5
- 2.Sxh3#
- 2.Rg6#
- 1...Sc7
- 2.Sxh3#
- 2.Rg6#
- 1...Sg7
- 2.Sxh3#
- 2.Rg6#
- 1...Sd8
- 2.Sxh3#
- 2.Rg6#
- 1...Sf8
- 2.Sxh3#
- 1...Sd4
- Tries
- 1.Qd4?
- 1...Sxd4
- 2.Sxh3#
- 1...Sxf4
- 2.Qe5#
- 2.Qf6#
- 2.Qd8#
- 1...Sc5
- 2.Sxh3#
- 2.Rg6#
- 2.Qe5#
- 2.Qf6#
- 1...Sc7
- 2.Sxh3#
- 2.Rg6#
- 2.Qe5#
- 2.Qf6#
- 1...Sg7
- 2.Sxh3#
- 2.Rg6#
- 2.Qf6#
- 1...Sd8
- 2.Sxh3#
- 2.Rg6#
- 2.Qe5#
- 2.Qf6#
- 1...Sf8
- 2.Sxh3#
- 2.Qe5#
- 2.Qf6#
- 1...Kxh6!
- 1...Sxd4
- 1.Qd4?
- Keys
- 1.Qa7!
- 1...Kxf4
- 2.Qe3#
- 1...Kf6
- 2.Qg7#
- 1...Kxh6
- 2.g5#
- 1...Sxf4
- 2.Qe7#
- 1...Sd4
- 2.Sxh3#
- 1...Sc5
- 2.Sxh3#
- 1...Sc7
- 2.Sxh3#
- 1...Sg7
- 2.Sxh3#
- 1...Sd8
- 2.Sxh3#
- 1...Sf8
- 2.Sxh3#
- 1...Kxf4
- 1.Qa7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(e);::S(E),XP(b)
- Tries
- Try
- Q(C);
- Vars
- S(e);XQ(C)::S(E),XP(b)
- Refutation
- K(d);P_SPINS(e),S_FLIGHT,XP(H)
- Try
- Actual
- Q(C);
- Vars
- K(d);OGATEB,S_FLIGHT,XS(E)::QAB1(C)
- K(d);P_SPINS(e),S_FLIGHT::QAB1(C)
- K(d);OGATE,P_SPINS(e),S_FLIGHT,XP(H)::P(F)
- S(e);SBLOCK,XS(E)::QAB(C)
- S(e);::S(E),XP(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).