MESON Chess Problem Database
Problem Display
PID: 169816 (6B1/4pn2/2pP2p1/N1N2pR1/pP1kP3/P7/3Kb2B/4R3 w - - 0 1)
Jonsson, Nils Gustav Helmer
Schackvarlden, 1945
#2
11 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Se6#
- 1...Bf1
- 2.Se6#
- 1...Bd3
- 2.Se6#
- 1...Bf3
- 2.Se6#
- 1...Bc4
- 2.Sxc6#
- 1...Bg4
- 2.Se6#
- 1...Bb5
- 2.Se6#
- 1...Bh5
- 2.Se6#
- 1...Ba6
- 2.Se6#
- 1...Se5
- 2.Bg1#
- 1...Sxg5
- 2.Sxc6#
- 1...Sxd6
- 2.Sxc6#
- 1...Sh6
- 2.Sxc6#
- 1...Sh8
- 2.Sxc6#
- 1...fxe4
- 2.Se6#
- 1...f4
- 2.Bg1#
- 1...e5
- 2.Bg1#
- 1...Bd1
- Tries
- 1.Bxf7?
- threat
- 2.Sxc6#
- 1...Bb5
- 2.Se6#
- 1...e6!
- threat
- 1.Rxe2?
- threat
- 2.Se6#
- 1...Sxg5
- 2.Sxc6#
- 1...e6
- 2.Sxe6#
- 1...Sd8!
- threat
- 1.Bxf7?
- Keys
- 1.dxe7!
- 1...Sxg5
- 2.Sxc6#
- 1...fxe4
- 2.Se6#
- 1...Sd8
- 2.exd8Q#
- 2.exd8R#
- 1...Bd1
- 2.Se6#
- 1...Bf1
- 2.Se6#
- 1...Bd3
- 2.Se6#
- 1...Bf3
- 2.Se6#
- 1...Bc4
- 2.Sxc6#
- 1...Bg4
- 2.Se6#
- 1...Bb5
- 2.Se6#
- 1...Bh5
- 2.Se6#
- 1...Ba6
- 2.Se6#
- 1...Se5
- 2.Bg1#
- 1...Sd6
- 2.Sxc6#
- 1...Sh6
- 2.Sxc6#
- 1...Sh8
- 2.Sxc6#
- 1...f4
- 2.Bg1#
- 1...Sxg5
- 1.dxe7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(a);::S(H)
- B(a);SBLOCK::S(G),XP(e)
- S(h);SBLOCK::B(C)
- S(h);XR(I)::S(G),XP(e)
- S(h);XP(J)::S(G),XP(e)
- S(h);::S(G),XP(e)
- P(d);SBLOCK,XP(F)::S(H)
- P(d);::B(C)
- P(g);SBLOCK::B(C)
- Tries
- Try
- B(K);XS(h)
- Threat
- S(G),XP(e)
- Vars
- B(a);::S(H)
- Refutation
- P(g);
- Try
- R(A);XB(a)
- Threat
- S(H)
- Vars
- S(h);XR(I)::S(G),XP(e)
- P(g);::S(H),XP(g)
- Refutation
- S(h);
- Try
- Actual
- P(J);XP(g)
- Vars
- S(h);XR(I)::S(G),XP(e)
- P(d);SBLOCK,XP(F)::S(H)
- S(h);OGATE::PXS(h)=Q
- B(a);::S(H)
- B(a);SBLOCK::S(G),XP(e)
- S(h);SBLOCK::B(C)
- S(h);::S(G),XP(e)
- P(d);::B(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).