MESON Chess Problem Database
Problem Display
PID: 214497 (8/3nKQ2/4n3/4k3/4B3/2N1R3/3r4/8 w - - 0 1)
Anonymous
Huddersfield College Magazine, 1880
#2
5 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Qf5#
- 1...Sd4
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 1...Sc5
- 2.Qf6#
- 1...Sb6
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...Rd4
- Tries
- 1.Se2?
- threat
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qxe6#
- 2.Qf5#
- 1...Rd3
- 2.Qxe6#
- 2.Qf5#
- 1...Rd4
- 2.Qxe6#
- 2.Qf5#
- 1...Rd5
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 2.Qxe6#
- 2.Qf5#
- 1...Rd6
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qf5#
- 1...Sd4
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.Qd5#
- 2.Qf4#
- 1...Sf4
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.Qxf4#
- 2.Qf5#
- 1...Sec5
- 2.Qh5#
- 2.Qf4#
- 2.Qf5#
- 1...Sg5
- 2.Qf4#
- 2.Qf5#
- 1...Sc7
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.Qh5#
- 2.Qf4#
- 2.Qf5#
- 1...Sg7
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.Qf4#
- 1...Sd8
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.Qh5#
- 2.Qf4#
- 2.Qf5#
- 1...Sef8
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.Qh5#
- 2.Qf4#
- 2.Qf5#
- 1...Sdc5
- 2.Qf5#
- 2.Qf6#
- 1...Sf6
- 2.Qxe6#
- 2.Qxf6#
- 1...Sdf8
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qf5#
- 2.Qf6#
- 1...Rxe2!
- threat
- 1.Qg7+?
- 1...Kf4
- 2.Rf3#
- 2.Qg3#
- 1...Sf6
- 2.Qxf6#
- 1...Sxg7!
- 1...Kf4
- 1.Se2?
- Keys
- 1.Sb5!
- threat
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qf5#
- 1...Sf6
- 2.Qxf6#
- 1...Re2
- 2.Qf5#
- 1...Rf2
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...Rg2
- 2.Bxg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qf5#
- 1...Rd3
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rd5
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bg6#
- 2.Bh7#
- 2.Qf5#
- 1...Sd4
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 1...Sec5
- 2.Qf5#
- 1...Sg5
- 2.Qf5#
- 1...Sg7
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 1...Sdc5
- 2.Qf5#
- 2.Qf6#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- R(a);SBLOCK::QAR1(E)
- S(d);N_GUARD::QAB1(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- Tries
- Try
- S(A);
- Threat
- DUALS(8)
- Refutation
- R(a);XS(A)
- Try
- Q(E);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(E),XS(d)
- Refutation
- S(c);XQ(E)
- Try
- Actual
- S(A);
- Threat
- DUALS(7)
- Vars
- S(d);N_GUARD::QAB1(E),XS(d)
- R(a);::QAR1(E)
- S(c);::QAR1(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).