MESON Chess Problem Database
Problem Display
PID: 259686 (8/3B2n1/pr1p1BK1/N1bk4/N1Rp3p/7Q/6Pn/8 w - - 0 1)
de Barbieri, Vittorio
4th HM., L'Italia Scacchistica, 1918
#2
8 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Bc6#
- 1...Rb2
- 2.Bc6#
- 1...Rb3
- 2.Bc6#
- 1...Rb4
- 2.Bc6#
- 1...Rb5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rb7
- 2.Bc6#
- 1...Rb8
- 2.Bc6#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 2.Qe6#
- 1...Se6
- 2.Qf5#
- 2.Qxe6#
- 1...Se8
- 2.Qf5#
- 2.Qe6#
- 1...d3
- 2.Sc3#
- 1...Rb1
- Tries
- 1.Kxg7?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Sf3
- 2.Qe6#
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Ke4!
- threat
- 1.Kh7?
- 1...Rb1
- 2.Bc6#
- 1...Rb2
- 2.Bc6#
- 1...Rb3
- 2.Bc6#
- 1...Rb4
- 2.Bc6#
- 1...Rb5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rb7
- 2.Bc6#
- 1...Rb8
- 2.Bc6#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 2.Qe6#
- 1...Se6
- 2.Qf5#
- 2.Qxe6#
- 1...Se8
- 2.Qf5#
- 2.Qe6#
- 1...d3
- 2.Sc3#
- 1...Ke4!
- 1...Rb1
- 1.Sxc5?
- 1...Rb1
- 2.Bc6#
- 1...Rb2
- 2.Bc6#
- 1...Rb3
- 2.Bc6#
- 1...Rb4
- 2.Bc6#
- 1...Rb5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rb7
- 2.Bc6#
- 1...Rb8
- 2.Bc6#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Sf5
- 2.Be6#
- 2.Qxf5#
- 1...Sh5
- 2.Be6#
- 2.Qf5#
- 2.Qe6#
- 1...Se6
- 2.Bxe6#
- 2.Qf5#
- 2.Qxe6#
- 1...Se8
- 2.Be6#
- 2.Qf5#
- 2.Qe6#
- 1...d3
- 2.Qxd3#
- 1...dxc5!
- 1...Rb1
- 1.Sxb6+?
- 1...Bxb6
- 2.Bc6#
- 1...Ke4!
- 1...Bxb6
- 1.Bxg7?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Sf3
- 2.Qe6#
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Ke4!
- threat
- 1.Be6+?
- 1...Sxe6
- 2.Qf5#
- 1...Ke4!
- 1...Sxe6
- 1.Qd3?
- threat
- 2.Sc3#
- 1...Bb4
- 2.Sxb6#
- 2.Rxd4#
- 2.Qxd4#
- 1...Rb3!
- threat
- 1.Qe3?
- 1...dxe3
- 2.Sc3#
- 1...Rb1
- 2.Bc6#
- 1...Rb2
- 2.Bc6#
- 1...Rb3
- 2.Bc6#
- 1...Rb4
- 2.Bc6#
- 1...Rb5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rb7
- 2.Bc6#
- 1...Rb8
- 2.Bc6#
- 1...Ba3
- 2.Sxb6#
- 2.Rxd4#
- 2.Qxd4#
- 1...Bb4
- 2.Sxb6#
- 2.Rxd4#
- 2.Qxd4#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Sf5
- 2.Be6#
- 2.Qe6#
- 1...Sh5
- 2.Be6#
- 2.Qe6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Se8
- 2.Be6#
- 2.Qe6#
- 1...d3
- 2.Sc3#
- 2.Qe4#
- 1...h3!
- 1...dxe3
- 1.Kxg7?
- Keys
- 1.Kg5!
- 1...Sf3+
- 2.Qxf3#
- 1...Se6+
- 2.Qxe6#
- 1...Ke4
- 2.Sc3#
- 1...Rb1
- 2.Bc6#
- 1...Rb2
- 2.Bc6#
- 1...Rb3
- 2.Bc6#
- 1...Rb4
- 2.Bc6#
- 1...Rb5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rb7
- 2.Bc6#
- 1...Rb8
- 2.Bc6#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Sf1
- 2.Qf3#
- 1...Sg4
- 2.Qf3#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 2.Qe6#
- 1...Se8
- 2.Qf5#
- 2.Qe6#
- 1...d3
- 2.Sc3#
- 1...Sf3+
- 1.Kg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(g);N_GUARD::B(H)
- R(g);N_GUARD::B(H),XR(g)
- B(d);N_GUARD::R1(D),XP(b)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- S(i);N_GUARD::QAR2(B),XS(i)
- P(b);N_GUARD::S(C)
- Tries
- Try
- K(G);P-FLIGHT,XS(i)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB(B)
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- K(G);S_FLIGHT
- Vars
- R(g);N_GUARD::B(H)
- R(g);N_GUARD::B(H),XR(g)
- B(d);N_GUARD::R1(D),XP(b)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- S(i);N_GUARD::QAR2(B),XS(i)
- P(b);N_GUARD::S(C)
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- S(C);XB(d)
- Vars
- R(g);N_GUARD::B(H)
- R(g);N_GUARD::B(H),XR(g)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(b);OGATEB::QAR2(B),XP(b)
- Refutation
- P(h);P_PINB(F),XS(C)
- Try
- S(C);CHECK,XR(g)
- Vars
- B(d);XS(C)::B(H)
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- B(F);XS(i)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB(B)
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- B(H);CHECK
- Vars
- S(i);XB(H)::QAR2(B)
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- Q(B);P_PINP(b)
- Threat
- S(C)
- Refutation
- R(g);
- Try
- Q(B);
- Vars
- P(b);N_GUARD,XQ(B)::S(C)
- R(g);N_GUARD::B(H)
- R(g);N_GUARD::B(H),XR(g)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- Refutation
- P(c);
- Try
- Actual
- K(G);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::QAB(B),XS(a)
- S(i);CHECK,N_GUARD::QAB1(B),XS(i)
- K(e);P_SPINP(b),S_FLIGHT::S(C)
- R(g);N_GUARD::B(H)
- R(g);N_GUARD::B(H),XR(g)
- B(d);N_GUARD::R1(D),XP(b)
- S(a);N_GUARD::QAB(B)
- S(i);N_GUARD::QAR2(B),XS(i)
- P(b);N_GUARD::S(C)
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).