MESON Chess Problem Database
Problem Display
PID: 194169 (3B2n1/4n3/3pN2p/1Q1Ppk1P/6R1/5P2/8/4K3 w - - 0 1)
Anonymous
Pittsburgh Gazette-Times, 1917
#2
8 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sxd5
- 2.Sg7#
- 1...Sc6
- 2.Sg7#
- 1...Sg6
- 2.Sg7#
- 1...Sc8
- 2.Sg7#
- 1...Sf6
- 2.Sg7#
- 1...Sxd5
- Tries
- 1.Qd3+?
- 1...Kf6
- 2.Qg6#
- 1...e4!
- 1...Kf6
- 1.Qe8?
- 1...Kf6
- 2.Qg6#
- 2.Qf8#
- 1...Sxd5
- 2.Sg7#
- 2.Qg6#
- 1...Sc6
- 2.Sg7#
- 2.Qg6#
- 1...Sg6
- 2.Sg7#
- 2.Qxg6#
- 1...Sc8
- 2.Sg7#
- 2.Qg6#
- 1...Sf6
- 2.Sg7#
- 1...e4!
- 1...Kf6
- 1.Qb1+?
- 1...Kf6
- 2.Qg6#
- 1...e4!
- 1...Kf6
- 1.Qd3+?
- Keys
- 1.Qb2!
- 1...Kf6
- 2.Rf4#
- 1...Sxd5
- 2.Sg7#
- 1...e4
- 2.Sg7#
- 2.Rf4#
- 1...Sc6
- 2.Sg7#
- 1...Sg6
- 2.Sg7#
- 1...Sc8
- 2.Sg7#
- 1...Sf6
- 2.Sg7#
- 1...Kf6
- 1.Qb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(e);XP(E)::S(G)
- S(e);::S(G)
- S(f);SBLOCK::S(G)
- Tries
- Try
- Q(D);CHECK
- Vars
- K(b);OGATE,P-FLIGHT,P_SPINS(e)::QAR1(D)
- Refutation
- P(a);P_SPINP(a)
- Try
- Q(D);
- Vars
- S(f);SBLOCK::S(G)
- Refutation
- P(a);
- Try
- Q(D);CHECK
- Vars
- K(b);OGATE,P-FLIGHT,P_SPINS(e)::QAR1(D)
- Refutation
- P(a);P_SPINP(a)
- Try
- Actual
- Q(D);
- Vars
- K(b);P-FLIGHT,P_SPINP(a),P_SPINS(e)::R(C)
- S(e);XP(E)::S(G)
- S(e);::S(G)
- S(f);SBLOCK::S(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).