MESON Chess Problem Database
Problem Display
PID: 165120 (4Q1b1/2p2Nb1/4p1p1/3p1kP1/5P2/3PP1K1/8/8 w - - 0 1)
Jankevics, Karlis
Sachmatija, 2008
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Sh6#
- 1...Bb2
- 2.Sh6#
- 1...Bc3
- 2.Sh6#
- 1...Bd4
- 2.Sh6#
- 1...Be5
- 2.Sh6#
- 1...Bf6
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...Bh8
- 2.Sh6#
- 1...d4
- 2.e4#
- 1...e5
- 2.Qd7#
- 2.Qc8#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Ba1
- Tries
- 1.Qxg8?
- 1...e5
- 2.Qc8#
- 1...Ba1
- 2.Sh6#
- 1...Bb2
- 2.Sh6#
- 1...Bc3
- 2.Sh6#
- 1...Bd4
- 2.Sh6#
- 1...Be5
- 2.Sh6#
- 1...Bf6
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...Bh8
- 2.Sh6#
- 1...d4
- 2.e4#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bf8!
- 1...e5
- 1.Qxg8?
- Keys
- 1.Qb5!
- threat
- 2.e4#
- 1...e5
- 2.Qd7#
- 1...Be5
- 2.Sh6#
- 1...c5
- 2.Sd6#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- B(f);N_GUARD::S(F)
- B(f);N_GUARD,P_PINP(D)::S(F)
- B(f);N_GUARD::S(F),XB(f)
- P(a);N_GUARD::P(B)
- P(e);N_GUARD::S(F)
- Tries
- Try
- Q(G);XB(g)
- Vars
- P(c);OGATEB::QAB(G)
- B(f);N_GUARD::S(F)
- B(f);N_GUARD,P_PINP(D)::S(F)
- B(f);N_GUARD::S(F),XB(f)
- P(a);N_GUARD::P(B)
- P(e);N_GUARD::S(F)
- Refutation
- B(f);
- Try
- Actual
- Q(G);P_PINP(a)
- Threat
- P(B)
- Vars
- P(c);N_SPINP(a),OGATEB::QAB(G)
- B(f);N_GUARD,N_SPINP(a),P_PINP(D)::S(F)
- P(e);N_GUARD,N_SPINP(a)::S(F)
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).