MESON Chess Problem Database
Problem Display
PID: 110050 (1n3r1B/1K3b2/3R1P1N/N1P1kB2/4Pp2/1pb5/4RQPn/8 w - - 0 1)
Valle, Giovanni Batista
Fanfulla da Lodi, 1886-1888
#2
12 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc8
- 2.Sxf7#
- 1...Rd8
- 2.Sxf7#
- 1...Re8
- 2.Sxf7#
- 1...Rg8
- 2.Sxf7#
- 1...Rxh8
- 2.Sxf7#
- 1...Be1
- 2.Qd4#
- 1...Bd2
- 2.Qd4#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Bxa5
- 2.Qd4#
- 1...Bc4
- 2.Sxc4#
- 1...Bd5+
- 2.Rxd5#
- 2.exd5#
- 1...Bh5
- 2.Sc4#
- 2.Rd5#
- 2.Re6#
- 1...Be6
- 2.Rxe6#
- 1...Bg6
- 2.Sc4#
- 2.Rd5#
- 2.Re6#
- 1...Be8
- 2.Sc4#
- 2.Rd5#
- 2.Re6#
- 1...Bg8
- 2.f7#
- 1...Sf1
- 2.Sg4#
- 1...Sf3
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...f3
- 2.Qg3#
- 1...Rc8
- Tries
- 1.g3?
- threat
- 2.Qxf4#
- 2.gxf4#
- 1...Bd5+
- 2.Rxd5#
- 2.exd5#
- 1...fxg3
- 2.Qxg3#
- 1...Bd2
- 2.Qd4#
- 1...Sf3
- 2.Sg4#
- 1...f3!
- threat
- 1.g3?
- Keys
- 1.Rb2!
- 1...Bd5+
- 2.Rxd5#
- 1...Rxh8
- 2.Sxf7#
- 1...Bxb2
- 2.Qxb2#
- 1...Bxa5
- 2.Qd4#
- 1...f3
- 2.Qg3#
- 1...Rc8
- 2.Sxf7#
- 1...Rd8
- 2.Sxf7#
- 1...Re8
- 2.Sxf7#
- 1...Rg8
- 2.Sxf7#
- 1...Be1
- 2.Qd4#
- 1...Bd2
- 2.Qd4#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Bc4
- 2.Sxc4#
- 1...Bh5
- 2.Sc4#
- 2.Rd5#
- 2.Re6#
- 1...Be6
- 2.Rxe6#
- 1...Bg6
- 2.Sc4#
- 2.Rd5#
- 2.Re6#
- 1...Be8
- 2.Sc4#
- 2.Rd5#
- 2.Re6#
- 1...Bg8
- 2.f7#
- 1...Sf1
- 2.Sg4#
- 1...Sf3
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...Bd5+
- 1.Rb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::S(J),XB(f)
- R(h);N_GUARD,XB(L)::S(J),XB(f)
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- B(c);N_GUARD,XS(E)::QAB1(B)
- B(f);N_GUARD::S(E),XB(f)
- B(f);N_GUARD::R1(H),XB(f)
- B(f);OGATE::B(L)+P(I)
- S(a);N_GUARD::S(J)
- S(a);N_GUARD::S(J),XS(a)
- S(g);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- P(d);OGATEB::QAB(B)
- Tries
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- P(d);OGATE,XP(C)::QAB(B),XP(d)
- B(c);N_GUARD::QAB1(B)
- S(a);N_GUARD::S(J)
- Refutation
- P(d);
- Try
- Actual
- R(A);
- Vars
- B(f);CHECK,N_GUARD::R1(H),XB(f)
- R(h);N_GUARD,XB(L)::S(J),XB(f)
- B(c);OGATE,XR(A)::QAB(B),XB(c)
- B(c);N_GUARD,XS(E)::QAB1(B)
- P(d);OGATEB::QAB(B)
- R(h);N_GUARD::S(J),XB(f)
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- B(f);N_GUARD::S(E),XB(f)
- B(f);N_GUARD::R1(H),XB(f)
- B(f);OGATE::B(L)+P(I)
- S(a);N_GUARD::S(J)
- S(a);N_GUARD::S(J),XS(a)
- S(g);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
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).