MESON Chess Problem Database
Problem Display
PID: 137079 (7R/6N1/6pq/2Bn2N1/1R4bk/7p/7P/2K2Q2 w - - 0 1)
Mari, Alberto
L'Italia Scacchistica, 1917
#2
8 + 6
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Sf3#
- 1...Qh7
- 2.Sf3#
- 1...Qxh8
- 2.Sf3#
- 1...Se3
- 2.Sf3#
- 1...Qh5
- Tries
- 1.Be3?
- threat
- 2.Sf3#
- 2.Rxh6#
- 2.Qxh3#
- 2.Qe1#
- 2.Qf2#
- 1...Qxh8
- 2.Sf3#
- 2.Qxh3#
- 2.Qe1#
- 2.Qf2#
- 1...Sxe3
- 2.Sf3#
- 1...Sxb4
- 2.Qe1#
- 2.Qf2#
- 1...Qh5
- 2.Sf3#
- 2.Qxh3#
- 2.Qe1#
- 2.Qf2#
- 1...Qh7
- 2.Sf3#
- 2.Rxh7#
- 2.Qxh3#
- 2.Qe1#
- 2.Qf2#
- 1...Sf6
- 2.Sf3#
- 2.Qxh3#
- 2.Qe1#
- 2.Qf2#
- 1...Sf4!
- threat
- 1.Qf4?
- threat
- 2.Sf3#
- 2.Bf2#
- 2.Rxh6#
- 2.Qxg4#
- 1...Qxh8
- 2.Sf3#
- 2.Bf2#
- 2.Qxg4#
- 1...Sxb4
- 2.Sf3#
- 2.Bf2#
- 2.Rxh6#
- 1...Qh5
- 2.Sf3#
- 2.Bf2#
- 2.Qxg4#
- 1...Qh7
- 2.Sf3#
- 2.Bf2#
- 2.Rxh7#
- 2.Qxg4#
- 1...Se3
- 2.Sf3#
- 2.Rxh6#
- 1...Sf6
- 2.Sf3#
- 2.Bf2#
- 1...Sxf4!
- threat
- 1.Qf5?
- threat
- 2.Bf2#
- 2.Rxg4#
- 2.Rxh6#
- 2.Qxg4#
- 1...Qxh8
- 2.Sf3#
- 2.Bf2#
- 2.Rxg4#
- 2.Qxg4#
- 1...Sxb4
- 2.Bf2#
- 1...Qh5
- 2.Sf3#
- 2.Bf2#
- 2.Rxg4#
- 2.Qxg4#
- 1...Qh7
- 2.Sf3#
- 2.Bf2#
- 2.Rxg4#
- 2.Rxh7#
- 2.Qxg4#
- 1...Se3
- 2.Sf3#
- 2.Rxh6#
- 1...Sf4
- 2.Bf2#
- 1...Sf6
- 2.Bf2#
- 1...gxf5!
- threat
- 1.Qf6?
- threat
- 2.Bf2#
- 2.Rxh6#
- 1...Qxh8
- 2.Sf3#
- 2.Bf2#
- 1...Sxb4
- 2.Bf2#
- 1...Qh5
- 2.Sf3#
- 2.Bf2#
- 1...Qh7
- 2.Sf3#
- 2.Bf2#
- 2.Rxh7#
- 1...Se3
- 2.Sf3#
- 2.Rxh6#
- 1...Sf4
- 2.Sf3#
- 2.Bf2#
- 1...Sxf6!
- threat
- 1.Be3?
- Keys
- 1.Qb5!
- 1...Kxg5
- 2.Be7#
- 1...Qxh8
- 2.Sf3#
- 1...Sxb4
- 2.Bf2#
- 1...Sc3
- 2.Bf2#
- 1...Qh5
- 2.Sf3#
- 1...Qh7
- 2.Sf3#
- 1...Se3
- 2.Sf3#
- 1...Sf4
- 2.Bf2#
- 1...Sb6
- 2.Bf2#
- 1...Sf6
- 2.Bf2#
- 1...Sc7
- 2.Bf2#
- 1...Se7
- 2.Bf2#
- 1...Kxg5
- 1.Qb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Q(f);N_PINS(F)::S(F)
- Q(f);N_PINS(F),N_SPINQ(f),XR(H)::S(F)
- S(d);N_PINS(F)::S(F)
- Tries
- Try
- B(E);N_SPINS(F)
- Threat
- DUALS(5)
- Vars
- S(d);XB(E)::S(F)
- Refutation
- S(d);N_SPINB(b)
- Try
- Q(B);N_SPINS(F)
- Threat
- DUALS(4)
- Refutation
- S(d);N_SPINB(b),XQ(B)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- S(d);N_SPINB(b),XR(D)::B(E)
- S(d);N_PINS(F),N_SPINB(b)::B(E)
- S(d);::B(E)
- Refutation
- P(e);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(d);N_SPINB(b),XR(D)::B(E)
- Refutation
- S(d);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- K(c);N_SPINB(b),N_SPINQ(f),OGATEB,S_FLIGHT,XS(F)::B(E)
- Q(f);N_PINS(F),N_SPINQ(f),XR(H)::S(F)
- S(d);N_SPINB(b),XR(D)::B(E)
- S(d);::B(E)
- Q(f);N_PINS(F)::S(F)
- S(d);N_PINS(F)::S(F)
- S(d);N_PINS(F),N_SPINB(b)::B(E)
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).