MESON Chess Problem Database
Problem Display
PID: 16460 (3R2b1/1p1B1n2/3q4/N2k1P2/1P2r1nr/4P3/2PP2NB/2KR3Q w - - 0 1)
Ekstrom, Sven Johan Adrian
Froberg, Johan Hilding Laurentius
Tidskrift for Schack, 1940
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Bc6#
- 2.Be6#
- 1...Qe5
- 2.Bc6#
- 2.Be6#
- 1...Qc7
- 2.Bc6#
- 2.Be6#
- 1...Qe7
- 2.Bc6#
- 2.Be6#
- 1...Qb8
- 2.Bc6#
- 2.Be6#
- 1...Qf8
- 2.Bc6#
- 2.Be6#
- 1...Qa6
- 2.Bc6#
- 2.Be6#
- 1...Qb6
- 2.Bc6#
- 2.Be6#
- 1...Qc6
- 2.Bxc6#
- 2.Be6#
- 1...Qe6
- 2.Bc6#
- 2.Bxe6#
- 1...Qf6
- 2.Bc6#
- 2.Be6#
- 1...Qg6
- 2.Bc6#
- 2.Be6#
- 1...Qh6
- 2.Bc6#
- 2.Be6#
- 1...Re5
- 2.Sf4#
- 1...Sge5
- 2.Be6#
- 1...Sfe5
- 2.Sf4#
- 1...b5
- 2.Bc6#
- 1...b6
- 2.Bc6#
- 1...Qc5
- Keys
- 1.d4!
- threat
- 2.c4#
- 1...Qxh2
- 2.Bc6#
- 2.Be6#
- 1...Qxb4
- 2.Bc6#
- 2.Be6#
- 1...Rxe3
- 2.Sxe3#
- 2.Sf4#
- 1...Rxd4
- 2.Se1#
- 2.Sxh4#
- 2.Rxd4#
- 1...Sxe3
- 2.Sxe3#
- 1...Qg3
- 2.Bc6#
- 2.Be6#
- 1...Qf4
- 2.Bc6#
- 2.Be6#
- 1...Qe5
- 2.Bc6#
- 2.Be6#
- 1...Rf4
- 2.Sxf4#
- 1...Re5
- 2.Sf4#
- 1...Re6
- 2.Sf4#
- 1...Re7
- 2.Sf4#
- 1...Re8
- 2.Sf4#
- 1...Qc5
- 2.Bc6#
- 2.Be6#
- 1...Qc7
- 2.Bc6#
- 2.Be6#
- 1...Qa6
- 2.Bc6#
- 2.Be6#
- 1...Qc6
- 2.Bxc6#
- 2.Be6#
- 1...Sge5
- 2.Be6#
- 1...Sfe5
- 2.Sf4#
- 1...b5
- 2.Bc6#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(a);SBLOCK::QAB(C)+S(F),DCHECK
- S(b);S_CUTR(a)::B(L)
- S(g);SBLOCK,S_CUTQ(e)::S(F)
- P(f);N_GUARD::B(L)
- Actual
- P(E);
- Threat
- P(D)
- Vars
- S(b);XP(H)::S(F),XS(b)
- R(a);::QAB(C)+S(F),DCHECK,XR(a)
- R(a);::QAB(C)+S(F),DCHECK
- S(b);S_CUTR(a)::B(L)
- S(g);S_CUTQ(e)::S(F)
- P(f);N_GUARD::B(L)
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).