MESON Chess Problem Database
Problem Display
PID: 22331 (4B2K/8/1p6/3npn1N/2p1k1p1/1NRbP3/3Q2P1/8 w - - 0 1)
Bonivento, Oscar
Shanshin, Valery Yurevich
Ferrari MT (Sinfonie Scacchistiche), 1980
#2
8 + 8
| 5454 | Near Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bc2
- 2.Qxc2#
- 1...Sxc3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sde7
- 2.Sf6#
- 1...Sg3
- 2.Sxg3#
- 1...Sd4
- 2.Sg3#
- 1...Sh4
- 2.Sg3#
- 1...Sd6
- 2.Sg3#
- 1...Sh6
- 2.Sg3#
- 1...Sfe7
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...cxb3
- 2.Qxd3#
- 1...b5
- 2.Sc5#
- 1...Bc2
- Tries
- 1.Bc6?
- threat
- 2.Sf6#
- 1...Sg3
- 2.Sxg3#
- 1...Sd4
- 2.Sg3#
- 1...Sh4
- 2.Sg3#
- 1...Sd6
- 2.Sg3#
- 1...Sh6
- 2.Sg3#
- 1...Se7
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...Sxe3!
- threat
- 1.Bg6?
- threat
- 2.Sg3#
- 1...Sxc3
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...g3
- 2.Sxg3#
- 1...Sxe3!
- threat
- 1.Rxc4+?
- 1...Sd4
- 2.Sg3#
- 2.Bg6#
- 1...Bxc4!
- 1...Sd4
- 1.Qe1?
- threat
- 2.Sd2#
- 1...Sxc3
- 2.Sf6#
- 1...Sdxe3
- 2.Bc6#
- 1...Sfxe3
- 2.Bg6#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sde7
- 2.Sf6#
- 1...Sg3
- 2.Sxg3#
- 1...Sd4
- 2.Sg3#
- 1...Sh4
- 2.Sg3#
- 1...Sd6
- 2.Sg3#
- 1...Sh6
- 2.Sg3#
- 1...Sfe7
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...cxb3!
- threat
- 1.Qf2?
- threat
- 2.Sd2#
- 1...Sxc3
- 2.Sf6#
- 1...Sdxe3
- 2.Sf6#
- 1...Sfxe3
- 2.Sg3#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sde7
- 2.Sf6#
- 1...cxb3!
- threat
- 1.Bc6?
- Keys
- 1.Qe2!
- threat
- 2.Sd2#
- 1...Sxc3
- 2.Sf6#
- 1...Sdxe3
- 2.Bc6#
- 1...Sfxe3
- 2.Bg6#
- 1...cxb3
- 2.Qxd3#
- 1...Sb4
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sde7
- 2.Sf6#
- 1...Sg3
- 2.Sxg3#
- 1...Sd4
- 2.Sg3#
- 1...Sh4
- 2.Sg3#
- 1...Sd6
- 2.Sg3#
- 1...Sh6
- 2.Sg3#
- 1...Sfe7
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- threat
- 1.Qe2!
Anticipated by 22534(1979-1980)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(a);OGATEB::QAB(A),XB(a)
- S(e);N_GUARD,XR(D)::S(F)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- S(g);N_GUARD::S(F),XS(g)
- S(g);N_GUARD::S(F)
- P(b);N_GUARD,XS(C)::QAB1(A),XB(a)
- P(h);N_GUARD::S(C)
- Tries
- Try
- B(G);P_PINS(e)
- Threat
- S(F)
- Vars
- S(g);N_GUARD::S(F),XS(g)
- S(g);N_GUARD::S(F)
- Refutation
- S(g);XP(E)
- Try
- B(G);P_PINS(g)
- Threat
- S(F)
- Vars
- S(e);N_GUARD,XR(D)::S(F)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- P(d);::S(F),XP(d)
- Refutation
- S(e);XP(E)
- Try
- R(D);CHECK,XP(b)
- Refutation
- B(a);XR(D)
- Try
- Q(A);
- Threat
- S(C)
- Vars
- S(e);N_GUARD,XR(D)::S(F)
- S(e);OGATEB,P_SPINS(e),XP(E)::B(G)
- S(g);OGATEB,P_SPINS(g),XP(E)::B(G)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- S(g);N_GUARD::S(F),XS(g)
- S(g);N_GUARD::S(F)
- Refutation
- P(b);XS(C)
- Try
- Q(A);
- Threat
- S(C)
- Vars
- S(e);N_GUARD,XR(D)::S(F)
- S(e);N_GUARD,XP(E)::S(F)
- S(g);N_GUARD,XP(E)::S(F)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- Refutation
- P(b);XS(C)
- Try
- Actual
- Q(A);
- Threat
- S(C)
- Vars
- S(e);N_GUARD,XR(D)::S(F)
- S(e);OGATEB,P_SPINS(e),XP(E)::B(G)
- S(g);OGATEB,P_SPINS(g),XP(E)::B(G)
- P(b);N_GUARD,XS(C)::QAB1(A),XB(a)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- S(g);N_GUARD::S(F),XS(g)
- S(g);N_GUARD::S(F)
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).