MESON Chess Problem Database
Problem Display
PID: 259663 (2bN4/Bprn4/1r1p2QK/2k5/2pp1N2/5p2/1R6/5B2 w - - 0 1)
Somma, Francesco
L'Italia Scacchistica, 1929
#2
7 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Sde6#
- 1...Se5
- 2.Bxb6#
- 1...Sf6
- 2.Bxb6#
- 1...Sb8
- 2.Bxb6#
- 1...Sf8
- 2.Bxb6#
- 1...c3
- 2.Rb5#
- 1...Rc6
- Tries
- 1.Sd3+?
- 1...Kd5
- 2.Qe6#
- 1...cxd3!
- 1...Kd5
- 1.Rxb6?
- threat
- 2.Sde6#
- 2.Qxd6#
- 1...Rc6
- 2.Sde6#
- 1...Se5
- 2.Rxb7#
- 2.Qxd6#
- 1...Sf6
- 2.Rxb7#
- 1...Sb8
- 2.Rxb7#
- 2.Qxd6#
- 1...Sf8
- 2.Rxb7#
- 2.Qxd6#
- 1...d5
- 2.Sfe6#
- 2.Sde6#
- 2.Qd6#
- 1...Sxb6!
- threat
- 1.Qc2?
- threat
- 2.Qxc4#
- 1...d3
- 2.Qf2#
- 1...Se5
- 2.Bxb6#
- 1...c3
- 2.Rb5#
- 1...d5+!
- threat
- 1.Qe4?
- threat
- 2.Sfe6#
- 2.Sde6#
- 2.Qd5#
- 1...Se5
- 2.Bxb6#
- 2.Qd5#
- 1...Sf6
- 2.Bxb6#
- 1...Sb8
- 2.Bxb6#
- 2.Qd5#
- 1...Sf8
- 2.Bxb6#
- 2.Qd5#
- 1...d5+!
- threat
- 1.Qf5+?
- 1...Se5
- 2.Bxb6#
- 1...d5+!
- 1...Se5
- 1.Qh5+?
- 1...Se5
- 2.Bxb6#
- 1...d5+!
- 1...Se5
- 1.Qf7?
- threat
- 2.Qxc4#
- 2.Qd5#
- 1...d3
- 2.Qd5#
- 1...Se5
- 2.Bxb6#
- 2.Qd5#
- 1...Sf6
- 2.Bxb6#
- 2.Qxc4#
- 2.Qxc7#
- 1...c3
- 2.Sd3#
- 2.Rb5#
- 2.Qc4#
- 2.Qd5#
- 1...d5+!
- threat
- 1.Qg5+?
- 1...Se5
- 2.Bxb6#
- 1...d5+!
- 1...Se5
- 1.Qe6?
- threat
- 2.Qxc4#
- 2.Qd5#
- 1...d3
- 2.Qd5#
- 2.Qe3#
- 1...Se5
- 2.Bxb6#
- 2.Qd5#
- 1...Sf6
- 2.Bxb6#
- 2.Qxc4#
- 1...c3
- 2.Sd3#
- 2.Rb5#
- 2.Qc4#
- 2.Qd5#
- 1...d5!
- threat
- 1.Qg8?
- threat
- 2.Qxc4#
- 2.Qd5#
- 1...d3
- 2.Qd5#
- 1...Se5
- 2.Bxb6#
- 2.Qd5#
- 1...Sf6
- 2.Bxb6#
- 2.Qxc4#
- 1...c3
- 2.Sd3#
- 2.Rb5#
- 2.Qc4#
- 2.Qd5#
- 1...d5+!
- threat
- 1.Sd3+?
- Keys
- 1.Qg3!
- 1...d5+
- 2.Sfe6#
- 1...d3
- 2.Qf2#
- 1...f2
- 2.Qa3#
- 1...Rc6
- 2.Sde6#
- 1...Se5
- 2.Bxb6#
- 1...Sf6
- 2.Bxb6#
- 1...Sb8
- 2.Bxb6#
- 1...Sf8
- 2.Bxb6#
- 1...c3
- 2.Rb5#
- 1...d5+
- 1.Qg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(h);SBLOCK::S(G)
- S(i);N_GUARD::B(F),XR(e)
- P(b);::R1(B)
- Tries
- Try
- S(C);CHECK
- Vars
- K(d);N_SPINR(e),P-FLIGHT,S_CUTP(b)::QAB1(D)
- Refutation
- P(b);XS(C)
- Try
- R(B);XR(e)
- Threat
- DUALS(2)
- Vars
- R(h);::S(G)
- S(i);N_GUARD::B(F)+R(B),XP(g)
- Refutation
- S(i);P_SPINS(i),XR(B)
- Try
- Q(D);P_PINP(b)
- Threat
- QAR1(D),XP(b)
- Vars
- P(c);OGATEB::QAB(D)
- S(i);N_GUARD::B(F),XR(e)
- P(b);::R1(B)
- Refutation
- P(f);CHECK
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- S(i);N_GUARD::B(F),XR(e)
- Refutation
- P(f);CHECK
- Try
- Q(D);CHECK
- Vars
- S(i);P_SPINS(i)::B(F),XR(e)
- Refutation
- P(f);CHECK,P_SPINP(f)
- Try
- Q(D);CHECK
- Vars
- S(i);P_SPINS(i)::B(F),XR(e)
- Refutation
- P(f);CHECK,P_SPINP(f)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR1(D)
- Refutation
- P(f);CHECK
- Try
- Q(D);CHECK
- Vars
- S(i);P_SPINS(i)::B(F),XR(e)
- Refutation
- P(f);CHECK,P_SPINP(f)
- Try
- Q(D);
- Threat
- DUALS(2)
- Refutation
- P(f);P_PINQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR1(D)
- Refutation
- P(f);CHECK
- Try
- Actual
- Q(D);
- Vars
- P(f);CHECK,SBLOCK::S(C)
- P(c);OGATEB::QAB(D)
- P(a);OGATE::QAB(D)
- R(h);SBLOCK::S(G)
- S(i);N_GUARD::B(F),XR(e)
- P(b);::R1(B)
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).