MESON Chess Problem Database
Problem Display
PID: 263225 (K1N1B3/p3p1r1/2NPp1Rn/2Bk1b1R/3b4/1P6/2Q5/8 w - - 0 1)
Somma, Francesco
L'Italia Scacchistica, 1932
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxg6
- 2.S8xe7#
- 1...Rg8
- 2.S8xe7#
- 1...Ba1
- 2.Qc4#
- 1...Bg1
- 2.Qc4#
- 1...Bb2
- 2.Qc4#
- 1...Bf2
- 2.Qc4#
- 1...Be3
- 2.Qc4#
- 1...Bxc5
- 2.Qg2#
- 2.Qc4#
- 1...Be5
- 2.Sb4#
- 2.Qc4#
- 1...Bf6
- 2.Qc4#
- 1...Sf7
- 2.S8xe7#
- 1...e5
- 2.Sb4#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Rxg6
- Tries
- 1.Bb4?
- threat
- 2.Qg2#
- 1...Rxg6
- 2.S8xe7#
- 1...Bf2
- 2.Qc4#
- 1...Be5
- 2.Qc4#
- 1...e5!
- threat
- 1.Bxa7?
- threat
- 2.Qg2#
- 1...Bxa7
- 2.Qc4#
- 1...e5
- 2.Sb4#
- 1...Bf2
- 2.Qc4#
- 1...Be5
- 2.Sb4#
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Rxg6!
- threat
- 1.Qd3?
- threat
- 2.Qxd4#
- 1...Kxc5
- 2.Qc4#
- 1...e5!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Kxc6
- 2.d8Q#
- 1...Rxg6
- 2.S8xe7#
- 2.d8Q#
- 2.d8R#
- 1...Bxc5
- 2.Qg2#
- 1...e5
- 2.Sb4#
- 1...Rf7
- 2.d8Q#
- 2.d8R#
- 1...Rh7
- 2.d8Q#
- 2.d8R#
- 1...Rg8
- 2.S8xe7#
- 2.d8Q#
- 2.d8R#
- 1...Ba1
- 2.d8Q#
- 2.d8R#
- 1...Bg1
- 2.d8Q#
- 2.d8R#
- 1...Bb2
- 2.d8Q#
- 2.d8R#
- 1...Bf2
- 2.d8Q#
- 2.d8R#
- 1...Be3
- 2.d8Q#
- 2.d8R#
- 1...Be5
- 2.Sb4#
- 1...Bf6
- 2.d8Q#
- 2.d8R#
- 1...Sg4
- 2.d8Q#
- 2.d8R#
- 1...Sf7
- 2.S8xe7#
- 1...Sg8
- 2.d8Q#
- 2.d8R#
- 1...a5
- 2.d8Q#
- 2.d8R#
- 1...a6
- 2.d8Q#
- 2.d8R#
- 1...Bc3!
- threat
- 1.Bb4?
- Keys
- 1.Ba3!
- threat
- 2.Qg2#
- 1...Rxg6
- 2.S8xe7#
- 1...Bf2
- 2.Qc4#
- 1...Be5
- 2.Qc4#
- 1...e5
- 2.Sb4#
- threat
- 1.Ba3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(h);N_GUARD,XR(G)::S(I),XP(g)
- R(h);N_GUARD::S(I),XP(g)
- B(a);::QAB1(A)
- S(e);S_CUTR(h)::S(I),XP(g)
- P(d);N_SPINB(c),SBLOCK::S(E)
- P(f);N_GUARD::S(I)
- Tries
- Try
- B(C);
- Threat
- QAB(A)
- Vars
- R(h);N_GUARD,XR(G)::S(I),XP(g)
- B(a);::QAB1(A)
- B(a);N_SPINB(c)::QAB1(A)
- Refutation
- P(d);N_SPINB(c)
- Try
- B(C);XP(f)
- Threat
- QAB(A)
- Vars
- B(a);XB(C)::QAB1(A)
- P(d);N_SPINB(c),SBLOCK::S(E)
- B(a);::QAB1(A)
- Refutation
- R(h);XR(G)
- Try
- Q(A);N_PINB(c),P_PINB(a)
- Threat
- QAR1(A),XB(a)
- Vars
- K(b);N_GUARD,N_SPINB(a),P-FLIGHT,P_SPINB(c),XB(C)::QAR1(A)
- Refutation
- P(d);
- Try
- P(F);
- Threat
- P=Q
- Vars
- K(b);N_SPINB(c),P_SPINP(d),S_FLIGHT,XS(E)::P=Q
- B(a);SBLOCK,XB(C)::QAB(A)
- P(d);N_SPINB(c),SBLOCK::S(E)
- R(h);::P=Q
- B(a);::P=Q
- B(a);N_SPINB(c),SBLOCK::S(E)
- S(e);::P=Q
- S(e);S_CUTR(h)::S(I),XP(g)
- P(f);::P=Q
- Refutation
- B(a);
- Try
- Actual
- B(C);
- Threat
- QAB(A)
- Vars
- R(h);N_GUARD,XR(G)::S(I),XP(g)
- B(a);::QAB1(A)
- B(a);N_SPINB(c)::QAB1(A)
- P(d);N_SPINB(c),SBLOCK::S(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).