MESON Chess Problem Database
Problem Display
PID: 50508 (8/1N3p2/1PpppP2/R1pRn1QP/N2bk3/1P4P1/1p2B1P1/1K6 w - - 0 1)
Fasano, Alessandro
L'Italia Scacchistica, 1980
#2
13 + 9
| 3335 | Cyclone | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Bf3#
- 1...Bg1
- 2.Sc3#
- 1...Bf2
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 1...Be3
- 2.Sc3#
- 1...Sd3
- 2.Sxd6#
- 2.Bf3#
- 1...Sf3
- 2.Sxd6#
- 2.gxf3#
- 1...Sg4
- 2.Sxd6#
- 1...Sg6
- 2.Sxd6#
- 1...Sd7
- 2.Sxd6#
- 1...c4
- 2.Sxd6#
- 2.Qf4#
- 1...cxd5
- 2.Sxd6#
- 2.Qf4#
- 1...exd5
- 2.Sxd6#
- 2.Qf4#
- 1...Kxd5
- Tries
- 1.Sbxc5+?
- 1...Kxd5
- 2.Bf3#
- 2.Bc4#
- 1...Bxc5
- 2.Sc3#
- 1...dxc5!
- 1...Kxd5
- 1.Bc4?
- threat
- 2.Sxd6#
- 2.Qf4#
- 1...Be3
- 2.Sc3#
- 2.Sxd6#
- 1...Sd3
- 2.Sxd6#
- 1...Sg6
- 2.Sxd6#
- 1...Sxc4!
- threat
- 1.Raxc5?
- threat
- 2.Sxd6#
- 2.Qf4#
- 1...Bxc5
- 2.Sc3#
- 1...Sc4
- 2.Qf4#
- 1...Be3
- 2.Sc3#
- 2.Sxd6#
- 1...Sd3
- 2.Sxd6#
- 2.Bf3#
- 1...Sg6
- 2.Sxd6#
- 1...dxc5!
- threat
- 1.Rxd4+?
- 1...cxd4
- 2.Sxd6#
- 2.Qf4#
- 1...Kxd4!
- 1...cxd4
- 1.Rxd6?
- threat
- 2.Qf4#
- 1...Be3
- 2.Sc3#
- 1...Sd3
- 2.Bf3#
- 1...Sg6!
- threat
- 1.g4?
- 1...Kxd5
- 2.Bf3#
- 1...Sxg4
- 2.Sxd6#
- 1...cxd5
- 2.Sxd6#
- 1...exd5
- 2.Sxd6#
- 1...Bg1
- 2.Sc3#
- 1...Bf2
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 1...Be3
- 2.Sc3#
- 1...Sd3
- 2.Sxd6#
- 2.Bf3#
- 1...Sf3
- 2.Sxd6#
- 2.gxf3#
- 1...Sg6
- 2.Sxd6#
- 1...Sd7
- 2.Sxd6#
- 1...c4
- 2.Sxd6#
- 1...Sc4!
- 1...Kxd5
- 1.h6?
- 1...Kxd5
- 2.Bf3#
- 1...cxd5
- 2.Sxd6#
- 2.Qf4#
- 1...exd5
- 2.Sxd6#
- 2.Qf4#
- 1...Bg1
- 2.Sc3#
- 1...Bf2
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 1...Be3
- 2.Sc3#
- 1...Sd3
- 2.Sxd6#
- 2.Bf3#
- 1...Sf3
- 2.Sxd6#
- 2.gxf3#
- 1...Sg4
- 2.Sxd6#
- 1...Sg6
- 2.Sxd6#
- 1...Sd7
- 2.Sxd6#
- 1...c4
- 2.Sxd6#
- 2.Qf4#
- 1...Sc4!
- 1...Kxd5
- 1.Sbxc5+?
- Keys
- 1.Qd2!
- 1...Kxd5
- 2.Sc3#
- 1...Kf5
- 2.Qf4#
- 1...cxd5
- 2.Sxd6#
- 2.Qf4#
- 1...exd5
- 2.Sxd6#
- 2.Qf4#
- 1...Sc4
- 2.Bf3#
- 1...Bg1
- 2.Sxd6#
- 1...Bf2
- 2.Sxd6#
- 1...Bc3
- 2.Sxd6#
- 1...Be3
- 2.Sxd6#
- 1...Sd3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...Sg6
- 2.Bf3#
- 1...Sd7
- 2.Bf3#
- 1...c4
- 2.Sxd6#
- 2.Qf4#
- 1...Kxd5
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 8
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(c);P_SPINP(d),P_SPINS(e),S_FLIGHT,XR(H)::B(B)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- S(e);::S(M),XP(g)
- Tries
- Try
- S(M);CHECK,XP(d)
- Vars
- B(b);XS(M)::S(F)
- Refutation
- P(g);XS(M)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- S(e);::S(M),XP(g)
- Refutation
- S(e);XB(B)
- Try
- R(G);XP(d)
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD,XR(G)::S(F)
- S(e);::QAR1(I)
- S(e);::S(M),XP(g)
- Refutation
- P(g);XR(G)
- Try
- R(H);CHECK,XB(b)
- Refutation
- K(c);P-FLIGHT,XR(H)
- Try
- R(H);XP(g)
- Threat
- QAR1(I)
- Vars
- B(b);N_GUARD::S(F)
- S(e);N_GUARD,SBLOCK::B(B)
- Refutation
- S(e);
- Try
- P(E);
- Vars
- K(c);P_SPINP(d),P_SPINS(e),S_FLIGHT,XR(H)::B(B)
- S(e);XP(E)::S(M),XP(g)
- P(f);SBLOCK,XR(H)::S(M),XP(g)
- P(h);SBLOCK,XR(H)::S(M),XP(g)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- S(e);::S(M),XP(g)
- P(d);::S(M),XP(g)
- Refutation
- S(e);
- Try
- P(J);
- Vars
- K(c);P_SPINP(d),P_SPINS(e),S_FLIGHT,XR(H)::B(B)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD::S(F),XB(b)
- S(e);::S(M),XP(g)
- Refutation
- S(e);
- Try
- Actual
- Q(I);
- Vars
- K(c);P_SPINB(b),P_SPINP(d),S_FLIGHT,XR(H)::S(F)
- K(c);P_SPINS(e),S_FLIGHT::QAR1(I)
- S(e);N_GUARD::B(B)
- B(b);::S(M),XP(g)
- S(e);N_GUARD::B(B),XS(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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