MESON Chess Problem Database
Problem Display
PID: 180515 (6N1/3K4/8/3Pk1P1/1p1nPn1N/8/3Q4/1B6 w - - 0 1)
Lider, Valentin Viktorovich
Moya dvukhkhodovska, 1993
#2
8 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sde2
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Sde6
- 2.Sf3#
- 1...Sfe2
- 2.Sg6#
- 1...Sg2
- 2.Sg6#
- 1...Sh3
- 2.Sg6#
- 1...Sxd5
- 2.Sg6#
- 1...Sh5
- 2.Sg6#
- 1...Sfe6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sde2
- Tries
- 1.Qe1?
- 1...Sxd5
- 2.Sg6#
- 1...Sc2
- 2.Sf3#
- 1...Sde2
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Sde6
- 2.Sf3#
- 1...Sfe2
- 2.Sg6#
- 1...Sg2
- 2.Sg6#
- 1...Sd3
- 2.Sg6#
- 1...Sh3
- 2.Sg6#
- 1...Sh5
- 2.Sg6#
- 1...Sfe6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...b3!
- 1...Sxd5
- 1.Qe3?
- 1...Sxd5
- 2.Sg6#
- 1...Sc2
- 2.Sf3#
- 1...Sde2
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Sde6
- 2.Sf3#
- 1...Sfe2
- 2.Sg6#
- 1...Sg2
- 2.Sg6#
- 1...Sd3
- 2.Sg6#
- 1...Sh3
- 2.Sg6#
- 1...Sh5
- 2.Sg6#
- 1...Sfe6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...b3!
- 1...Sxd5
- 1.Qxb4?
- threat
- 2.Qd6#
- 2.Qb8#
- 1...Sxd5
- 2.Sg6#
- 2.Qd6#
- 1...Sfe6
- 2.Sg6#
- 2.Qd6#
- 1...Sc2
- 2.Sf3#
- 1...Sde2
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Sde6
- 2.Sf3#
- 1...Sd3!
- threat
- 1.Qb2?
- threat
- 2.Sf3#
- 1...Sxd5
- 2.Sg6#
- 1...Se2
- 2.Sg6#
- 1...Sg2
- 2.Sg6#
- 1...Sh3
- 2.Sg6#
- 1...Sh5
- 2.Sg6#
- 1...Se6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sd3!
- threat
- 1.Qe2?
- 1...Sdxe2
- 2.Sf3#
- 1...Sfxe2
- 2.Sg6#
- 1...Sxd5
- 2.Sg6#
- 1...Sc2
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Sde6
- 2.Sf3#
- 1...Sg2
- 2.Sg6#
- 1...Sd3
- 2.Sg6#
- 1...Sh3
- 2.Sg6#
- 1...Sh5
- 2.Sg6#
- 1...Sfe6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...b3!
- 1...Sdxe2
- 1.Qh2?
- threat
- 2.Sg6#
- 1...Se2
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Se6
- 2.Sf3#
- 1...Sc2!
- threat
- 1.Qe1?
- Keys
- 1.Sf6!
- threat
- 2.Sg4#
- 1...Sc2
- 2.Sf3#
- 1...Sd3
- 2.Sg6#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD,XP(E)::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Tries
- Try
- Q(B);
- Vars
- S(c);N_GUARD,XP(E)::S(D)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- P(a);
- Try
- Q(B);
- Vars
- S(c);N_GUARD,XP(E)::S(D)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- P(a);
- Try
- Q(B);XP(a)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(c);
- Try
- Q(B);P_PINS(b)
- Threat
- S(D)
- Vars
- S(c);N_GUARD,XP(E)::S(D)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- Q(B);
- Vars
- S(b);N_GUARD,XQ(B)::S(D)
- S(c);N_GUARD,XQ(B)::S(D)
- S(c);N_GUARD,XP(E)::S(D)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- P(a);
- Try
- Q(B);P_PINS(c)
- Threat
- S(D)
- Vars
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(b);
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- S(b);N_GUARD::S(D)
- S(c);N_GUARD::S(D)
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).