MESON Chess Problem Database
Problem Display
PID: 263344 (1n2B3/1N1p4/p1P2n1R/BkN1b3/8/1K6/8/7Q w - - 0 1)
Somma, Francesco
L'Italia Scacchistica, 1929
#2
8 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Se4
- 2.Qf1#
- 1...Sg4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sh5
- 2.Qf1#
- 1...Sh7
- 2.Qf1#
- 1...Sxe8
- 2.Qf1#
- 1...Sg8
- 2.Qf1#
- 1...Sxc6
- 2.Qf1#
- 1...dxc6
- 2.Qf1#
- 1...d5
- 2.Qf1#
- 1...d6
- 2.Qf1#
- 1...Se4
- Tries
- 1.Se6?
- 1...Sxe8
- 2.Qd5#
- 1...Sxc6
- 2.Qf1#
- 1...dxc6
- 2.Qf1#
- 1...dxe6
- 2.Qf1#
- 1...Sd5
- 2.Qxd5#
- 1...Ba1
- 2.Sc7#
- 1...Bb2
- 2.Sc7#
- 1...Bh2
- 2.Sd4#
- 1...Bc3
- 2.Sc7#
- 1...Bg3
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 2.Sc7#
- 1...Bf4
- 2.Sd4#
- 1...Bd6
- 2.Sd4#
- 1...Bc7
- 2.Sd4#
- 2.Sxc7#
- 1...Sg4
- 2.Qd5#
- 1...Sh5
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...d5
- 2.Qf1#
- 1...d6
- 2.Sc7#
- 2.Qf1#
- 1...Se4!
- 1...Sxe8
- 1.Bh5?
- threat
- 2.Be2#
- 1...Sxh5
- 2.Qf1#
- 1...Sg4
- 2.Qf1#
- 1...d5!
- threat
- 1.Bf7?
- threat
- 2.Bc4#
- 1...Sd5
- 2.Qf1#
- 1...d5!
- threat
- 1.Se6?
- Keys
- 1.Se4!
- 1...Kxc6
- 2.Sc3#
- 1...Sxe4
- 2.Qf1#
- 1...Sxe8
- 2.Qf1#
- 1...Sxc6
- 2.Qf1#
- 1...dxc6
- 2.Qf1#
- 1...Ba1
- 2.Sed6#
- 1...Bb2
- 2.Sed6#
- 1...Bh2
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 2.Sed6#
- 1...Bg3
- 2.Sc3#
- 1...Bd4
- 2.Sed6#
- 1...Bf4
- 2.Sc3#
- 1...Bd6
- 2.Sc3#
- 2.Sexd6#
- 1...Bc7
- 2.Sc3#
- 1...Sg4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sh5
- 2.Qf1#
- 1...Sh7
- 2.Qf1#
- 1...Sg8
- 2.Qf1#
- 1...d5
- 2.Qf1#
- 1...d6
- 2.Qf1#
- 1...Kxc6
- 1.Se4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(d);::QAB(A)
- S(d);XB(H)::QAB(A)
- S(f);SBLOCK,XP(E)::QAB(A)
- P(e);P_SPINP(e),XP(E)::QAB(A)
- P(e);::QAB(A)
- Tries
- Try
- S(D);
- Vars
- S(d);N_GUARD,XB(H)::QAR2(A)
- S(f);SBLOCK,XP(E)::QAB(A)
- P(e);P_SPINP(e),XP(E)::QAB(A)
- P(e);XS(D)::QAB(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- B(b);N_GUARD::S(D)
- S(d);N_GUARD::QAR2(A)
- P(e);::QAB(A)
- Refutation
- S(d);
- Try
- B(H);
- Threat
- B(H)
- Vars
- S(d);XB(H)::QAB(A)
- S(d);::QAB(A)
- Refutation
- P(e);
- Try
- B(H);
- Threat
- B(H)
- Vars
- S(d);::QAB(A)
- Refutation
- P(e);
- Try
- Actual
- S(D);
- Vars
- K(a);P_SPINP(e),P_SPINS(d),S_CUTB(b),S_FLIGHT,XP(E)::QAB(A)+S(D)
- S(d);XS(D)::QAB(A)
- S(d);XB(H)::QAB(A)
- S(f);SBLOCK,XP(E)::QAB(A)
- P(e);P_SPINP(e),XP(E)::QAB(A)
- B(b);N_GUARD::S(D)
- S(d);::QAB(A)
- P(e);::QAB(A)
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).