MESON Chess Problem Database
Problem Display
PID: 72887 (1B6/3p4/p3P3/P1k5/R2N1Np1/2P2nP1/2Rp1P2/3K3B w - - 0 1)
de Jongh, Theodor
Tijdschrift vd KNSB, 1936
#2
12 + 6
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Sd3#
- 1...Sh2
- 2.Sd3#
- 1...Sh4
- 2.Sd3#
- 1...Sg5
- 2.Sd3#
- 1...d5
- 2.Sd3#
- 1...d6
- 2.Ba7#
- 1...Sg1
- Tries
- 1.Rb4?
- 1...Sxd4
- 2.Sd3#
- 1...Se1
- 2.Sb3#
- 1...Sg1
- 2.Sb3#
- 2.Sd3#
- 1...Sh2
- 2.Sb3#
- 2.Sd3#
- 1...Sh4
- 2.Sb3#
- 2.Sd3#
- 1...Se5
- 2.Sb3#
- 1...Sg5
- 2.Sb3#
- 2.Sd3#
- 1...d5
- 2.Sd3#
- 1...d6
- 2.Ba7#
- 1...dxe6!
- 1...Sxd4
- 1.exd7?
- 1...Se1
- 2.Sfe6#
- 1...Sg1
- 2.Sd3#
- 2.Sfe6#
- 1...Sh2
- 2.Sd3#
- 2.Sfe6#
- 1...Sh4
- 2.Sd3#
- 2.Sfe6#
- 1...Se5
- 2.Sfe6#
- 1...Sg5
- 2.Sd3#
- 1...Sxd4!
- 1...Se1
- 1.Rb4?
- Keys
- 1.c4!
- 1...Kxd4
- 2.c5#
- 1...Sxd4
- 2.Sd3#
- 1...dxe6
- 2.Sfxe6#
- 1...Se1
- 2.Sb3#
- 1...Sg1
- 2.Sb3#
- 1...Sh2
- 2.Sb3#
- 1...Sh4
- 2.Sb3#
- 1...Se5
- 2.Sb3#
- 1...Sg5
- 2.Sb3#
- 1...d5
- 2.cxd5#
- 1...d6
- 2.Ba7#
- 1...Kxd4
- 1.c4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 5
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(b);::S(I)
- P(f);SBLOCK::S(I)
- P(f);SBLOCK::B(L)
- Tries
- Try
- R(G);
- Vars
- S(b);XS(H)::S(I)
- S(b);::S(H)
- P(f);SBLOCK::S(I)
- P(f);SBLOCK::B(L)
- Refutation
- P(f);XP(K)
- Try
- P(K);XP(f)
- Vars
- S(b);::S(I)
- Refutation
- S(b);XS(H)
- Try
- Actual
- P(E);
- Vars
- K(d);OGATE,S_FLIGHT,XS(H)::R(G)+P(E)
- S(b);SBLOCK,XS(H)::S(I)
- P(f);XP(K)::S(I),XP(f)
- S(b);::S(H)
- P(f);OGATE::R(C)+P(E),XP(f)
- P(f);SBLOCK::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).