MESON Chess Problem Database
Problem Display
PID: 46787 (2B5/8/2bp1pP1/B1N1k1p1/1pP5/2pKP1p1/8/7Q w - - 0 1)
Wester, Anders Emil
Suomen Shakki, 1960
#2
8 + 8
| 4885 | Amatorproblem | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Qe4#
- 2.Qd5#
- 1...Be4+
- 2.Qxe4#
- 1...Bb5
- 2.Qe4#
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bd7
- 2.Qe4#
- 2.Qd5#
- 1...Be8
- 2.Qe4#
- 2.Qd5#
- 1...c2
- 2.Qa1#
- 1...g2
- 2.Qh2#
- 1...b3
- 2.Bxc3#
- 1...dxc5
- 2.Bc7#
- 1...d5
- 2.Bc7#
- 1...f5
- 2.Qh8#
- 1...Ba4
- Tries
- 1.Qf3?
- threat
- 2.Qxg3#
- 2.Qf5#
- 1...Be4+
- 2.Qxe4#
- 1...dxc5
- 2.Bc7#
- 2.Qxg3#
- 1...d5
- 2.Bc7#
- 2.Qxg3#
- 1...f5
- 2.Qxf5#
- 1...Bd7
- 2.Qe4#
- 2.Qd5#
- 1...g2
- 2.Qg3#
- 2.Qf5#
- 1...Bxf3!
- threat
- 1.Qxc6?
- threat
- 2.Qe4#
- 2.Qd5#
- 2.Qe8#
- 1...dxc5
- 2.Bc7#
- 2.Qd5#
- 2.Qxc5#
- 2.Qe6#
- 2.Qc7#
- 1...d5
- 2.Bc7#
- 2.Qxd5#
- 2.Qe6#
- 2.Qc7#
- 1...f5!
- threat
- 1.Qh3?
- threat
- 2.Qf5#
- 2.Qe6#
- 2.Qxg3#
- 1...dxc5
- 2.Bc7#
- 2.Qe6#
- 2.Qxg3#
- 1...d5
- 2.Bc7#
- 2.Qe6#
- 2.Qxg3#
- 1...f5
- 2.Qxf5#
- 2.Qh8#
- 1...Bd5
- 2.Sd7#
- 2.Qf5#
- 2.Qxg3#
- 1...Bd7
- 2.Sxd7#
- 1...g2
- 2.Qf5#
- 2.Qe6#
- 2.Qh2#
- 2.Qg3#
- 1...g4
- 2.Qxg3#
- 1...Be4+!
- threat
- 1.Qh4?
- threat
- 2.Qxg3#
- 2.Qd4#
- 1...Be4+
- 2.Qxe4#
- 1...dxc5
- 2.Bc7#
- 2.Qxg3#
- 1...Bd7
- 2.Qe4#
- 1...d5
- 2.Bc7#
- 2.Qxg3#
- 1...f5
- 2.Qd4#
- 2.Qh8#
- 1...g2
- 2.Qg3#
- 2.Qh2#
- 2.Qd4#
- 1...g4
- 2.Qxg3#
- 1...gxh4!
- threat
- 1.Qf3?
- Keys
- 1.Bg4!
- 1...Be4+
- 2.Qxe4#
- 1...Bxh1
- 2.Sd7#
- 1...dxc5
- 2.Bc7#
- 1...d5
- 2.Bc7#
- 1...f5
- 2.Qh8#
- 1...Bg2
- 2.Sd7#
- 1...Bf3
- 2.Sd7#
- 1...Ba4
- 2.Qe4#
- 2.Qd5#
- 1...Bb5
- 2.Qe4#
- 2.Qd5#
- 1...Bd5
- 2.Sd7#
- 2.Qxd5#
- 1...Bb7
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 2.Qe4#
- 2.Qd5#
- 1...Ba8
- 2.Sd7#
- 1...Be8
- 2.Qe4#
- 2.Qd5#
- 1...c2
- 2.Qa1#
- 1...g2
- 2.Qh2#
- 1...b3
- 2.Bxc3#
- 1...Be4+
- 1.Bg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- B(f);CHECK,N_GUARD::QAR1(A),XB(f)
- B(f);N_GUARD::QAR1(A),XB(f)
- P(a);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- P(c);OGATE::B(E),XP(a)
- P(g);OGATEB,XS(F)::B(E)
- P(g);OGATEB::B(E)
- P(h);OGATEB::QAB(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::QAR1(A),XB(f)
- P(h);::QAR1(A),XP(h)
- Refutation
- B(f);XQ(A)
- Try
- Q(A);XB(f)
- Threat
- DUALS(3)
- Refutation
- P(h);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(f);N_GUARD::S(F),XB(f)
- P(e);::QAB(A),XP(b)
- Refutation
- B(f);CHECK
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::QAR1(A),XB(f)
- B(f);N_GUARD::QAR1(A)
- P(e);::QAB(A),XP(b)
- Refutation
- P(e);XQ(A)
- Try
- Actual
- B(H);
- Vars
- B(f);CHECK,N_GUARD::QAR1(A),XB(f)
- B(f);N_GUARD,XQ(A)::S(F)
- P(g);OGATEB,XS(F)::B(E)
- P(g);OGATEB::B(E)
- P(h);OGATEB::QAB(A)
- B(f);N_GUARD::S(F)
- P(a);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- P(c);OGATE::B(E),XP(a)
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).