MESON Chess Problem Database
Problem Display
PID: 120716 (r7/p1QP2R1/4Nk1p/3P4/6P1/3nK3/1p6/8 w - - 0 1)
Scheel, Johan
Morgenbladet, 1909
#2
7 + 6
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Re8
- 2.dxe8S#
- 1...Sc1
- 2.Qf4#
- 2.Qc3#
- 1...Se1
- 2.Qf4#
- 2.Qc3#
- 1...Sf2
- 2.Qf4#
- 2.Qc3#
- 1...Sb4
- 2.Qf4#
- 2.Qc3#
- 1...Sf4
- 2.Qxf4#
- 2.Qc3#
- 1...Sc5
- 2.Qf4#
- 1...Re8
- Tries
- 1.Qb8?
- threat
- 2.d8Q#
- 2.d8B#
- 1...b1Q
- 2.d8Q#
- 2.d8B#
- 1...b1S
- 2.d8Q#
- 2.d8B#
- 1...b1B
- 2.d8Q#
- 2.d8B#
- 1...b1R
- 2.d8Q#
- 2.d8B#
- 1...Sc1
- 2.Qf4#
- 2.Qxb2#
- 2.d8Q#
- 2.d8B#
- 1...Se1
- 2.Qf4#
- 2.Qxb2#
- 2.d8Q#
- 2.d8B#
- 1...Sf2
- 2.Qf4#
- 2.Qxb2#
- 2.d8Q#
- 2.d8B#
- 1...Sb4
- 2.Qf4#
- 2.d8Q#
- 2.d8B#
- 1...Sf4
- 2.Qxf4#
- 2.Qxb2#
- 2.d8Q#
- 2.d8B#
- 1...Sc5
- 2.Qf4#
- 2.Qxb2#
- 2.d8Q#
- 2.d8B#
- 1...Se5
- 2.d8Q#
- 2.d8B#
- 1...h5
- 2.d8Q#
- 2.d8B#
- 1...a5
- 2.d8Q#
- 2.d8B#
- 1...a6
- 2.d8Q#
- 2.d8B#
- 1...Rxb8!
- threat
- 1.Qb8?
- Keys
- 1.Sf4!
- threat
- 2.Sh5#
- 1...Re8+
- 2.dxe8S#
- 1...Kxg7
- 2.d8Q#
- 1...Sxf4
- 2.Qc3#
- 1...h5
- 2.Sxh5#
- threat
- 1.Sf4!
Anticipated by 9715(1908-1909)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(f);OGATE,P_PINS(D)::PXR(f)=S
- S(b);N_GUARD::QAR2(E)
- Tries
- Try
- Q(E);
- Threat
- P=Q
- Vars
- P(a);::P=Q
- S(b);::P=Q
- P(d);::P=Q
- P(e);::P=Q
- Refutation
- R(f);XQ(E)
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- R(f);CHECK,OGATE::PXR(f)=S
- K(c);S_FLIGHT,XR(G)::P=Q
- S(b);N_GUARD,XS(D)::QAB(E)
- P(d);::S(D),XP(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).