MESON Chess Problem Database
Problem Display
PID: 203732 (4NQ1B/7K/8/Npp1pP1p/3nkn2/4r3/3R1R1b/q7 w - - 0 1)
Bonivento, Oscar
L'Italia Scacchistica, 2007
#2
8 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Sf6#
- 1...Sc2
- 2.Sd6#
- 1...Sde2
- 2.Sd6#
- 1...Sb3
- 2.Sd6#
- 1...Sf3
- 2.Sd6#
- 1...Sxf5
- 2.Sf6#
- 1...Sc6
- 2.Sd6#
- 1...Sde6
- 2.Sd6#
- 1...Sfe2
- 2.Sf6#
- 1...Sg2
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Sh3
- 2.Sf6#
- 1...Sd5
- 2.Sd6#
- 1...Sfe6
- 2.Sf6#
- 1...Sg6
- 2.Sf6#
- 1...Kd5
- Tries
- 1.Qxc5?
- threat
- 2.Sd6#
- 2.Qxe5#
- 1...Sxf5
- 2.Sf6#
- 1...Re1
- 2.Qxe5#
- 1...Re2
- 2.Qxe5#
- 1...Ra3
- 2.Qxe5#
- 1...Rb3
- 2.Qxe5#
- 1...Rc3
- 2.Qxe5#
- 1...Rd3
- 2.Qxe5#
- 1...Rf3
- 2.Qxe5#
- 1...Rg3
- 2.Qxe5#
- 1...Rh3
- 2.Qxe5#
- 1...Sc2
- 2.Sd6#
- 1...Sde2
- 2.Sd6#
- 1...Sb3
- 2.Sd6#
- 1...Sf3
- 2.Sd6#
- 1...Sc6
- 2.Sd6#
- 1...Sde6
- 2.Sd6#
- 1...Sfe2
- 2.Sd6#
- 2.Sf6#
- 1...Sg2
- 2.Sd6#
- 2.Sf6#
- 1...Sd3
- 2.Sd6#
- 2.Sf6#
- 1...Sh3
- 2.Sd6#
- 2.Sf6#
- 1...Sd5
- 2.Sd6#
- 1...Sfe6
- 2.Sd6#
- 2.Sf6#
- 1...Sg6
- 2.Sd6#
- 2.Sf6#
- 1...Kxf5!
- threat
- 1.Qe7?
- threat
- 2.Qxe5#
- 1...Kd5
- 2.Sf6#
- 2.Qb7#
- 1...Sxf5
- 2.Sf6#
- 1...Sc2
- 2.Sd6#
- 1...Sde2
- 2.Sd6#
- 1...Sb3
- 2.Sd6#
- 1...Sf3
- 2.Sd6#
- 1...Sc6
- 2.Sd6#
- 1...Sde6
- 2.Sd6#
- 1...Sfe2
- 2.Sf6#
- 1...Sg2
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Sh3
- 2.Sf6#
- 1...Sd5
- 2.Sd6#
- 1...Sfe6
- 2.Sf6#
- 1...Sg6
- 2.Sf6#
- 1...Kxf5!
- threat
- 1.Qxc5?
- Keys
- 1.Qg7!
- threat
- 2.Qxe5#
- 1...Kd5
- 2.Qb7#
- 1...Kxf5
- 2.Qg6#
- 1...Sxf5
- 2.Sf6#
- 1...Sc2
- 2.Sd6#
- 1...Sde2
- 2.Sd6#
- 1...Sb3
- 2.Sd6#
- 1...Sf3
- 2.Sd6#
- 1...Sc6
- 2.Sd6#
- 1...Sde6
- 2.Sd6#
- 1...Sfe2
- 2.Sf6#
- 1...Sg2
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Sh3
- 2.Sf6#
- 1...Sd5
- 2.Sd6#
- 1...Sfe6
- 2.Sf6#
- 1...Sg6
- 2.Sf6#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(e);P_SPINS(d),S_FLIGHT::S(F)
- S(d);::S(F)
- S(d);SBLOCK,XP(D)::S(F)
- S(f);::S(F)
- S(f);SBLOCK::S(F)
- Tries
- Try
- Q(G);XP(h)
- Threat
- DUALS(2)
- Vars
- S(d);SBLOCK,XP(D)::S(F)
- R(c);::QAR1(G),XP(i)
- S(d);::S(F)
- S(f);::S(F)
- Refutation
- K(e);P_SPINP(i),P_SPINS(f),S_FLIGHT,XP(D)
- Try
- Q(G);P_PINP(i)
- Threat
- QAR1(G),XP(i)
- Vars
- S(d);SBLOCK,XP(D)::S(F)
- S(d);::S(F)
- S(d);N_SPINP(i)::S(F)
- S(f);::S(F)
- S(f);SBLOCK::S(F)
- S(f);N_SPINP(i)::S(F)
- Refutation
- K(e);N_SPINP(i),P_SPINS(f),S_FLIGHT,XP(D)
- Try
- Actual
- Q(G);
- Threat
- QAR1(G),XP(i)
- Vars
- K(e);P_SPINS(d),S_FLIGHT::QAB(G)
- K(e);OGATEB,P_SPINS(f),S_FLIGHT,XP(D)::QAB1(G)
- S(d);SBLOCK,XP(D)::S(F)
- S(d);::S(F)
- S(f);::S(F)
- S(f);SBLOCK::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).