MESON Chess Problem Database
Problem Display
PID: 69240 (8/8/8/1Bn1p3/2Pk2p1/P2p2N1/3N1P2/1K2BQ2 w - - 0 1)
Markx, BJM
Tijdschrift vd NSB, 1897
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Sb3
- Tries
- 1.Qxd3+?
- 1...Sxd3
- 2.Sb3#
- 1...Kxd3!
- 1...Sxd3
- 1.Qh1?
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...e4
- 2.Qh8#
- 1...Kc3!
- 1...Sb3
- 1.Qxd3+?
- Keys
- 1.Qh3!
- 1...Kc3
- 2.Se2#
- 1...gxh3
- 2.Sf3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...e4
- 2.Qh8#
- 1...Kc3
- 1.Qh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD::S(D)
- Tries
- Try
- Q(C);CHECK,XP(a)
- Vars
- S(d);SBLOCK,XQ(C)::S(D)
- Refutation
- K(b);P-FLIGHT,XQ(C)
- Try
- Q(C);
- Vars
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD::S(D)
- P(e);OGATEB::QAB(C)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(C);
- Vars
- K(b);S_FLIGHT::S(G)
- P(c);N_GUARD,XQ(C)::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD::S(D)
- P(e);OGATEB::QAB(C)
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).