MESON Chess Problem Database
Problem Display
PID: 6930 (2R1R2Q/B2N4/2npn2K/3k4/1p6/3P4/8/8 w - - 0 1)
Ekstrom, Sven Johan Adrian
1st Prize, Vart Hem, 1941
#2
7 + 5
| 3310 | 2345 Chess Problems | 1997 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Scd4
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sf6#
- 1...Sxa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Sb8
- 2.Sb6#
- 1...Scd8
- 2.Sb6#
- 1...Sed4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sc5
- 2.Sb6#
- 1...Sg5
- 2.Sf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Sed8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...Scd4
- Tries
- 1.Rc7?
- 1...Sxa7
- 2.Sb6#
- 1...Sxc7
- 2.Sf6#
- 1...Sed4
- 2.Sf6#
- 1...Scd4
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sf6#
- 1...Se7
- 2.Sb6#
- 1...Sb8
- 2.Sb6#
- 1...Scd8
- 2.Sb6#
- 1...Sf4
- 2.Sf6#
- 1...Sc5
- 2.Sb6#
- 1...Sg5
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Sed8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...b3!
- 1...Sxa7
- 1.Re7?
- 1...Sxa7
- 2.Sb6#
- 1...Sxe7
- 2.Sb6#
- 1...Sed4
- 2.Sf6#
- 1...Scd4
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sf6#
- 1...Sb8
- 2.Sb6#
- 1...Scd8
- 2.Sb6#
- 1...Sf4
- 2.Sf6#
- 1...Sc5
- 2.Sb6#
- 1...Sg5
- 2.Sf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Sed8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...b3!
- 1...Sxa7
- 1.Qa1?
- threat
- 2.Sf6#
- 2.Qh1#
- 1...Sxa7
- 2.Sb6#
- 2.Sf6#
- 1...Sed4
- 2.Sf6#
- 1...Se5
- 2.Sb6#
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sc5
- 2.Sb6#
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 1...Scd4!
- threat
- 1.Qb2?
- threat
- 2.Sf6#
- 2.Qg2#
- 2.Qb3#
- 1...Sxa7
- 2.Sb6#
- 2.Sf6#
- 1...Sed4
- 2.Sf6#
- 1...Sa5
- 2.Sb6#
- 2.Sf6#
- 2.Qg2#
- 1...Se5
- 2.Sb6#
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 2.Qb3#
- 1...Sc5
- 2.Sb6#
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 2.Qb3#
- 1...b3
- 2.Sf6#
- 2.Qg2#
- 2.Qxb3#
- 1...Scd4!
- threat
- 1.Qc3?
- threat
- 2.Sb6#
- 2.Sf6#
- 2.Qb3#
- 2.Qc4#
- 2.Qxc6#
- 1...Sxa7
- 2.Sb6#
- 2.Sf6#
- 2.Qc4#
- 1...Sed4
- 2.Sb6#
- 2.Sf6#
- 2.Qc4#
- 1...Scd4
- 2.Qc4#
- 1...Sa5
- 2.Sb6#
- 2.Sf6#
- 1...Se5
- 2.Sb6#
- 2.Sf6#
- 1...Se7
- 2.Sb6#
- 2.Sf6#
- 2.Qb3#
- 2.Qc4#
- 1...Sb8
- 2.Sb6#
- 2.Sf6#
- 2.Qb3#
- 2.Qc4#
- 1...Scd8
- 2.Sb6#
- 2.Sf6#
- 2.Qb3#
- 2.Qc4#
- 1...Sc5
- 2.Sb6#
- 2.Sf6#
- 2.Qc4#
- 1...Sc7
- 2.Sb6#
- 2.Sf6#
- 2.Qb3#
- 2.Qc4#
- 1...Sed8
- 2.Sb6#
- 2.Sf6#
- 2.Qb3#
- 2.Qc4#
- 1...b3
- 2.Sb6#
- 2.Sf6#
- 2.Qxb3#
- 2.Qc4#
- 2.Qxc6#
- 1...bxc3!
- threat
- 1.Qd4+?
- 1...Sexd4
- 2.Sf6#
- 1...Scxd4!
- 1...Sexd4
- 1.Qe5+?
- 1...Sxe5
- 2.Sf6#
- 1...dxe5!
- 1...Sxe5
- 1.Qh7?
- threat
- 2.Qe4#
- 1...Sg5
- 2.Sf6#
- 1...Sc5!
- threat
- 1.Rc7?
- Keys
- 1.Qg7!
- threat
- 2.Qg2#
- 1...Sxa7
- 2.Sb6#
- 1...Sxg7
- 2.Sf6#
- 1...Sed4
- 2.Sf6#
- 1...Scd4
- 2.Sb6#
- 1...Se5
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sc5
- 2.Sb6#
- 1...Sg5
- 2.Sf6#
- threat
- 1.Qg7!
Anticipated by 42031(1940)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- S(c);::S(D)
- S(c);SBLOCK::S(D)
- S(c);XB(C)::S(D)
- S(e);::S(D)
- S(e);SBLOCK::S(D)
- Tries
- Try
- R(E);
- Vars
- S(c);XB(C)::S(D)
- S(e);XR(E)::S(D)
- S(e);::S(D)
- S(c);::S(D)
- S(c);SBLOCK::S(D)
- S(e);SBLOCK::S(D)
- Refutation
- P(a);
- Try
- R(F);
- Vars
- S(c);XB(C)::S(D)
- S(c);XR(F)::S(D)
- S(e);::S(D)
- S(c);::S(D)
- S(c);SBLOCK::S(D)
- S(e);SBLOCK::S(D)
- Refutation
- P(a);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(e);::S(D)
- Refutation
- S(c);
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(e);::S(D)
- Refutation
- S(c);
- Try
- Q(G);
- Threat
- DUALS(5)
- Vars
- S(c);::QAB1(G)
- Refutation
- P(a);XQ(G)
- Try
- Q(G);CHECK
- Vars
- S(e);XQ(G)::S(D)
- Refutation
- S(c);XQ(G)
- Try
- Q(G);CHECK
- Vars
- S(c);SBLOCK,XQ(G)::S(D)
- Refutation
- P(d);XQ(G)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- S(e);::S(D)
- Refutation
- S(e);
- Try
- Actual
- Q(G);
- Threat
- QAB(G)
- Vars
- S(c);XB(C)::S(D)
- S(e);XQ(G)::S(D)
- S(e);::S(D)
- S(c);::S(D)
- S(c);SBLOCK::S(D)
- S(e);SBLOCK::S(D)
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).