MESON Chess Problem Database
Problem Display
PID: 264812 (6b1/2PQKp2/q1P2P1B/3PkN1r/p1RpnN2/2P4r/7n/4R1b1 w - - 0 1)
Simoni, Francesco
Springaren, 1991
#2
12 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sxd3#
- 1...Re3
- 2.cxd4#
- 1...R3h4
- 2.Sd3#
- 1...Rxf5
- 2.Qd6#
- 1...Be3
- 2.Sd3#
- 1...Sf3
- 2.Sd3#
- 1...dxc3
- 2.Rexe4#
- 2.Rcxe4#
- 1...d3
- 2.Rexe4#
- 2.Rcxe4#
- 1...Rd3
- Tries
- 1.Sg3?
- threat
- 2.Sd3#
- 2.Rxe4#
- 2.Qd6#
- 1...Qxc4
- 2.Rxe4#
- 2.Qd6#
- 1...Qxc6
- 2.Sd3#
- 2.Rxe4#
- 1...Be3
- 2.Sd3#
- 1...Bh7
- 2.Sd3#
- 2.Qd6#
- 1...d3
- 2.Sxd3#
- 2.Rexe4#
- 2.Rcxe4#
- 2.Qd6#
- 1...Rxg3!
- threat
- 1.Sxd4?
- threat
- 2.Qd6#
- 1...Qxc6
- 2.Sxc6#
- 1...Bxd4
- 2.cxd4#
- 1...Be3
- 2.Sd3#
- 1...Re3!
- threat
- 1.Sd6?
- threat
- 2.Rxe4#
- 1...Re3
- 2.cxd4#
- 1...Bh7
- 2.Sxf7#
- 1...Be3!
- threat
- 1.Sg7?
- threat
- 2.Qd6#
- 1...Re3
- 2.cxd4#
- 1...Be3
- 2.Sd3#
- 1...Qxc6!
- threat
- 1.Re3?
- threat
- 2.Sd3#
- 2.cxd4#
- 1...Rxe3
- 2.cxd4#
- 1...Rxh6
- 2.Sd3#
- 1...Bxe3
- 2.Sd3#
- 1...dxc3
- 2.Sd3#
- 2.Rexe4#
- 2.Rcxe4#
- 1...dxe3
- 2.Sd3#
- 1...Rg5
- 2.Sd3#
- 1...Qb6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 1...Sf3
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- 2.Rexe4#
- 2.Rcxe4#
- 1...Qxc4!
- threat
- 1.Sg3?
- Keys
- 1.Se3!
- threat
- 2.Sd3#
- 2.cxd4#
- 1...Qxc4
- 2.Sxc4#
- 1...Rxe3
- 2.cxd4#
- 1...Rxh6
- 2.Sd3#
- 2.Qf5#
- 1...Bxe3
- 2.Sd3#
- 1...Sxc3
- 2.Sg4#
- 1...Sxf6
- 2.Sg4#
- 1...dxc3
- 2.Sd3#
- 1...dxe3
- 2.Sd3#
- 1...Rg5
- 2.Sd3#
- 1...Sd2
- 2.Sg4#
- 1...Sf2
- 2.Sg4#
- 1...Sg3
- 2.Sg4#
- 1...Sc5
- 2.Sg4#
- 1...Sg5
- 2.Qf5#
- 1...Sd6
- 2.Sg4#
- 1...Qb6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 1...Sf3
- 2.Sg4#
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::S(D),XR(c)
- R(c);N_SPINS(f),S_CUTB(a)::P(B),XP(e)
- R(c);N_GUARD::S(D)
- R(h);SBLOCK,XS(F)::QAB1(K)
- B(a);N_SPINS(f),S_CUTR(c)::S(D)
- S(b);S_CUTR(c)::S(D)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(a);N_SPINS(f)::S(D)
- Refutation
- R(c);XS(F)
- Try
- S(F);XP(e)
- Threat
- QAB1(K)
- Vars
- Q(i);XP(G)::S(F),XQ(i)
- B(a);OGATE,XS(F)::P(B),XB(a)
- B(a);N_SPINS(f),S_CUTR(c)::S(D)
- Refutation
- R(c);N_SPINS(f)
- Try
- S(F);
- Threat
- R1(A),XS(f)
- Vars
- R(c);N_SPINS(f),S_CUTB(a)::P(B),XP(e)
- B(k);N_GUARD::S(F),XP(j)
- Refutation
- B(a);N_SPINS(f)
- Try
- S(F);
- Threat
- QAB1(K)
- Vars
- R(c);N_SPINS(f),S_CUTB(a)::P(B),XP(e)
- B(a);N_SPINS(f),S_CUTR(c)::S(D)
- Refutation
- Q(i);XP(G)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- R(c);N_SPINS(f),XR(A)::P(B),XP(e)
- R(h);XB(I)::S(D)
- B(a);N_SPINS(f),XR(A)::S(D)
- P(e);N_SPINS(f),XR(A)::S(D)
- R(h);::S(D)
- Q(i);::S(D)
- S(b);::S(D)
- Refutation
- Q(i);XR(C)
- Try
- Actual
- S(F);N_PINS(f)
- Threat
- DUALS(2)
- Vars
- Q(i);XR(C)::S(F),XQ(i)
- R(c);XS(F)::P(B),XP(e)
- B(a);XS(F)::S(D)
- S(f);XP(B)::R(A)+S(F),DCHECK
- S(f);XP(H)::R(A)+S(F),DCHECK
- P(e);XP(B)::S(D)
- P(e);XS(F)::S(D)
- R(h);::S(D)
- S(f);::R(A)+S(F),DCHECK
- S(f);S_CUTR(h)::QAR1(K)
- Q(i);::S(D)
- P(e);::S(D),XP(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).