MESON Chess Problem Database
Problem Display
PID: 10253 (5BQ1/5n2/2p3N1/2p1N3/3kP3/3nR1K1/3P4/5B2 w - - 0 1)
Schneider, Michael
Die Schwalbe 143. TT, 1963
#2
9 + 5
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Sf3#
- 2.Sxc6#
- 1...Se1
- 2.Sxc6#
- 1...Sb2
- 2.Sf3#
- 2.Sxc6#
- 1...Sf2
- 2.Sf3#
- 2.Sxc6#
- 1...Sb4
- 2.Sf3#
- 1...Sf4
- 2.Sf3#
- 2.Sxc6#
- 1...Sg5
- 2.Sxc6#
- 2.Qc4#
- 1...Sd6
- 2.Sf3#
- 2.Sxc6#
- 1...Sh6
- 2.Sf3#
- 2.Sxc6#
- 2.Qc4#
- 1...Sd8
- 2.Sf3#
- 2.Qc4#
- 1...Sh8
- 2.Sf3#
- 2.Sxc6#
- 2.Qc4#
- 1...c4
- 2.Sf3#
- 2.Sxc6#
- 1...Sc1
- Tries
- 1.Sxd3?
- 1...Se5
- 2.Bxc5#
- 1...Sg5
- 2.Bxc5#
- 2.Bg7#
- 1...Sd6
- 2.Bg7#
- 1...Sh6
- 2.Bxc5#
- 2.Bg7#
- 1...Sd8
- 2.Bxc5#
- 2.Bg7#
- 1...Sh8
- 2.Bxc5#
- 2.Bg7#
- 1...c4
- 2.Bc5#
- 1...Kc4!
- 1...Se5
- 1.Sh4?
- threat
- 2.Shf3#
- 1...Sdxe5
- 2.Sf5#
- 1...Sfxe5
- 2.Sf5#
- 1...Se1
- 2.Sxc6#
- 1...Sg5
- 2.Sxc6#
- 1...Kxe5!
- threat
- 1.Se7?
- threat
- 2.S7xc6#
- 1...Sdxe5
- 2.Sf5#
- 1...Sfxe5
- 2.Sf5#
- 1...Sb4
- 2.Sf3#
- 1...Sd8
- 2.Sf3#
- 1...Kxe5!
- threat
- 1.Bxd3?
- threat
- 2.Sf3#
- 2.Sxc6#
- 1...Sg5
- 2.Sxc6#
- 2.Qc4#
- 1...Sd8
- 2.Sf3#
- 2.Qc4#
- 1...Sxe5!
- threat
- 1.Bxc5+?
- 1...Sxc5
- 2.Sf3#
- 2.Sxc6#
- 1...Kxc5!
- 1...Sxc5
- 1.Qxf7?
- threat
- 2.Sf3#
- 2.Sxc6#
- 2.Qc4#
- 2.Qd7#
- 1...Se1
- 2.Sxc6#
- 2.Qc4#
- 2.Qd7#
- 1...Sb2
- 2.Sf3#
- 2.Sxc6#
- 2.Qd7#
- 1...Sb4
- 2.Sf3#
- 2.Qc4#
- 1...Sf4
- 2.Sf3#
- 2.Sxc6#
- 2.Qc4#
- 1...c4
- 2.Sf3#
- 2.Sxc6#
- 2.Qxc4#
- 2.Qd7#
- 1...Sxe5!
- threat
- 1.Sxd3?
- Keys
- 1.Sf4!
- 1...Kxe5
- 2.Qg7#
- 1...Sxf4
- 2.Sf3#
- 2.Sxc6#
- 1...Sdxe5
- 2.Se6#
- 1...Sfxe5
- 2.Se2#
- 1...Sc1
- 2.Sf3#
- 2.Sxc6#
- 1...Se1
- 2.Sxc6#
- 1...Sb2
- 2.Sf3#
- 2.Sxc6#
- 1...Sf2
- 2.Sf3#
- 2.Sxc6#
- 1...Sb4
- 2.Sf3#
- 1...Sg5
- 2.Sxc6#
- 1...Sd6
- 2.Sf3#
- 2.Sxc6#
- 1...Sh6
- 2.Sf3#
- 2.Sxc6#
- 1...Sd8
- 2.Sf3#
- 1...Sh8
- 2.Sf3#
- 2.Sxc6#
- 1...c4
- 2.Sf3#
- 2.Sxc6#
- 1...Kxe5
- 1.Sf4!
Anticipated by 18300(1954)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(a);::S(F),XP(d)
- S(a);::S(F)
- Tries
- Try
- S(F);XS(a)
- Vars
- S(e);::B(H),XP(c)
- S(e);N_GUARD::B(H)
- P(c);SBLOCK::B(H)
- Refutation
- K(b);P-FLIGHT,P_SPINS(e)
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(a);SBLOCK,XS(F)::S(G)
- S(e);SBLOCK,XS(F)::S(G)
- S(a);::S(F),XP(d)
- S(e);::S(F),XP(d)
- Refutation
- K(b);S_FLIGHT,XS(F)
- Try
- S(G);
- Threat
- S(G),XP(d)
- Vars
- S(a);SBLOCK,XS(F)::S(G)
- S(e);SBLOCK,XS(F)::S(G)
- S(a);::S(F)
- S(e);::S(F)
- Refutation
- K(b);S_FLIGHT,XS(F)
- Try
- B(A);XS(a)
- Threat
- DUALS(2)
- Refutation
- S(e);XS(F)
- Try
- B(H);CHECK,XP(c)
- Refutation
- K(b);S_FLIGHT,XB(H)
- Try
- Q(I);XS(e)
- Threat
- DUALS(4)
- Refutation
- S(a);XS(F)
- Try
- Actual
- S(G);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(F)::QAB(I)
- S(a);SBLOCK,XS(F)::S(G)
- S(e);SBLOCK,XS(F)::S(G)
- S(a);::S(F),XP(d)
- S(a);::S(F)
- S(e);::S(F),XP(d)
- S(e);::S(F)
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).