MESON Chess Problem Database
Problem Display
PID: 268124 (2B4n/3r1n2/Q7/4BN1K/4N3/1bp4k/4R3/7r w - - 0 1)
Chicco, Adriano
2nd HM., 64 Shakhmatnoe obozrenie, 1930
#2
7 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rh2#
- 1...Rb1
- 2.Rh2#
- 1...Rc1
- 2.Rh2#
- 1...Rhd1
- 2.Rh2#
- 1...Re1
- 2.Rh2#
- 1...Rf1
- 2.Rh2#
- 1...Rg1
- 2.Rh2#
- 1...Rh2
- 2.Rxh2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd5
- 2.Sfd6#
- 1...Ra7
- 2.Qd3#
- 1...Rb7
- 2.Qd3#
- 1...Rc7
- 2.Qd3#
- 1...Re7
- 2.Qd3#
- 1...Bd5
- 2.Qd3#
- 1...Sxe5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd6
- 2.Sg5#
- 2.Qd3#
- 1...Sh6
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Ra1
- Tries
- 1.Se3?
- threat
- 2.Sf2#
- 1...Rf1
- 2.Rh2#
- 1...Rh2
- 2.Rxh2#
- 1...Sxe5!
- threat
- 1.Sh4?
- threat
- 2.Sf2#
- 2.Re3#
- 2.Qd3#
- 1...Rd1
- 2.Sf2#
- 2.Rh2#
- 2.Re3#
- 1...Re1
- 2.Sf2#
- 2.Rh2#
- 2.Qd3#
- 1...Rf1
- 2.Rh2#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 1...Rh2
- 2.Rxh2#
- 2.Re3#
- 2.Qd3#
- 1...Bd1
- 2.Sf2#
- 2.Bxd7#
- 2.Qd3#
- 2.Qe6#
- 1...Bc2
- 2.Sf2#
- 2.Bxd7#
- 2.Re3#
- 2.Qe6#
- 1...Bc4
- 2.Sf2#
- 2.Re3#
- 1...Be6
- 2.Sf2#
- 2.Re3#
- 2.Qxe6#
- 1...Sg5
- 2.Sf2#
- 2.Sxg5#
- 1...Sxe5!
- threat
- 1.Bb7?
- threat
- 2.Sf2#
- 1...Rxb7
- 2.Qd3#
- 1...Sxe5
- 2.Sg5#
- 1...Rf1
- 2.Rh2#
- 1...Rh2
- 2.Rxh2#
- 1...Bd5
- 2.Qd3#
- 1...Rd5!
- threat
- 1.Bxd7?
- threat
- 2.Qd3#
- 1...Sxe5
- 2.Sg5#
- 1...Rd1
- 2.Rh2#
- 1...Rf1
- 2.Rh2#
- 1...Rg1
- 2.Rh2#
- 1...Bc2
- 2.Se3#
- 2.Sfg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sfd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Sg5
- 2.Sxg5#
- 1...Bc4!
- threat
- 1.Qf6?
- threat
- 2.Qh4#
- 1...Sg5
- 2.Sxg5#
- 1...Sg6!
- threat
- 1.Qg6?
- threat
- 2.Sf2#
- 2.Re3#
- 2.Qg2#
- 2.Qg3#
- 2.Qg4#
- 1...Sxe5
- 2.Sg5#
- 2.Qg2#
- 2.Qg3#
- 1...Re1
- 2.Sf2#
- 2.Rh2#
- 2.Qg2#
- 2.Qg3#
- 2.Qg4#
- 1...Rf1
- 2.Rh2#
- 2.Qg2#
- 2.Qg3#
- 2.Qg4#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 1...Rh2
- 2.Rxh2#
- 2.Re3#
- 2.Qg3#
- 2.Qg4#
- 1...Rd3
- 2.Sf2#
- 2.Qg2#
- 2.Qg4#
- 1...Bd1
- 2.Sf2#
- 2.Qg2#
- 2.Qg3#
- 2.Qg4#
- 1...Sg5
- 2.Sxg5#
- 1...Sh6
- 2.Sf2#
- 2.Sg5#
- 2.Re3#
- 2.Qg2#
- 2.Qg3#
- 1...Sxg6!
- threat
- 1.Qh6?
- threat
- 2.Qe3#
- 1...Sxe5
- 2.Kg5#
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...Rf1
- 2.Rh2#
- 1...Rg1
- 2.Rh2#
- 1...Sg5
- 2.Kxg5#
- 2.Sxg5#
- 1...Rd3!
- threat
- 1.Se3?
- Keys
- 1.Qc6!
- threat
- 2.Sf2#
- 1...Sxe5
- 2.Sg5#
- 1...Rf1
- 2.Rh2#
- 1...Rh2
- 2.Rxh2#
- 1...Rd5
- 2.Sfd6#
- 1...Bd5
- 2.Qxc3#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD::R1(A)
- R(a);N_GUARD::R1(A),XR(a)
- R(e);N_GUARD::QAR(F),XR(e)
- R(e);::B(G)+S(D)
- R(e);N_GUARD::QAR(F)
- B(b);S_CUTR(e)::QAR(F)
- S(f);N_GUARD,XB(C)::S(B)
- S(f);N_GUARD::S(B),XS(f)
- S(f);N_GUARD::S(B)
- Tries
- Try
- S(D);P_PINR(e)
- Threat
- S(B)
- Vars
- R(a);N_GUARD::R1(A)
- R(a);N_GUARD::R1(A),XR(a)
- Refutation
- S(f);XB(C)
- Try
- S(D);P_PINR(e)
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD::R1(A)
- Refutation
- S(f);XB(C)
- Try
- B(G);
- Threat
- S(B)
- Vars
- R(e);N_GUARD,XB(G)::QAR(F)
- S(f);N_GUARD,XB(C)::S(B)
- R(a);N_GUARD::R1(A)
- R(a);N_GUARD::R1(A),XR(a)
- B(b);S_CUTR(e)::QAR(F)
- Refutation
- R(e);
- Try
- B(G);XR(e)
- Threat
- QAR(F)
- Vars
- S(f);N_GUARD,XB(C)::S(B)
- R(a);N_GUARD::R1(A)
- S(f);N_GUARD::S(B),XS(f)
- Refutation
- B(b);
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- S(f);N_GUARD::S(B),XS(f)
- Refutation
- S(g);
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- S(f);N_GUARD::S(B),XS(f)
- Refutation
- S(g);XQ(F)
- Try
- Q(F);
- Threat
- QAR(F)
- Vars
- S(f);N_GUARD,XQ(F)::S(B)
- R(a);N_GUARD::R1(A)
- Refutation
- R(e);
- Try
- Actual
- Q(F);
- Threat
- S(B)
- Vars
- S(f);N_GUARD,XB(C)::S(B)
- R(a);N_GUARD::R1(A)
- R(a);N_GUARD::R1(A),XR(a)
- R(e);::B(G)+S(D)
- B(b);S_CUTR(e)::QAR(F),XP(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).