MESON Chess Problem Database
Problem Display
PID: 85598 (3r2b1/3nN1K1/r7/6R1/3B1k1P/1B6/2nN1P2/1q6 w - - 0 1)
Petrov, Evgeny Aleksandrovich
Problemas, 1976
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sg6#
- 1...Ra2
- 2.Sg6#
- 1...Ra3
- 2.Sg6#
- 1...Ra4
- 2.Sg6#
- 1...Ra5
- 2.Sg6#
- 1...Re6
- 2.Sd5#
- 1...Rg6+
- 2.Sxg6#
- 1...Ra7
- 2.Sg6#
- 1...Raa8
- 2.Sg6#
- 1...Bd5
- 2.Sxd5#
- 1...Be6
- 2.Sg6#
- 1...Bh7
- 2.Sd5#
- 1...Sa1
- 2.Be3#
- 1...Se1
- 2.Be3#
- 1...Sa3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 2.fxe3#
- 1...Sb4
- 2.Be3#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Sg6#
- 2.Be5#
- 1...Sf6
- 2.Sg6#
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...Ra1
- Keys
- 1.Be6!
- threat
- 2.Sd5#
- 2.Sg6#
- 2.Rg4#
- 1...Rxe6
- 2.Sd5#
- 1...Bxe6
- 2.Sg6#
- 1...Sxd4
- 2.Sd5#
- 1...Qa2
- 2.Sg6#
- 2.Rg4#
- 1...Qd1
- 2.Sd5#
- 2.Sg6#
- 1...Qg1
- 2.Sd5#
- 2.Sg6#
- 1...Qh1
- 2.Sg6#
- 2.Rg4#
- 1...Qb3
- 2.Sg6#
- 2.Rg4#
- 1...Qb5
- 2.Sg6#
- 2.Rg4#
- 1...Qb7
- 2.Sg6#
- 2.Rg4#
- 1...Ra5
- 2.Sg6#
- 2.Rg4#
- 1...Rd6
- 2.Sg6#
- 2.Rg4#
- 1...Bf7
- 2.Sd5#
- 2.Rg4#
- 1...Bh7
- 2.Sd5#
- 2.Rg4#
- 1...Sa1
- 2.Sd5#
- 2.Be3#
- 2.Rg4#
- 1...Se1
- 2.Sd5#
- 2.Be3#
- 2.Rg4#
- 1...Sa3
- 2.Sd5#
- 2.Be3#
- 2.Rg4#
- 1...Se3
- 2.Bxe3#
- 2.fxe3#
- 1...Sb4
- 2.Be3#
- 2.Rg4#
- 1...Sc5
- 2.Sg6#
- 2.Be5#
- 2.Rg4#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Sg6#
- 2.Be5#
- 2.Rg4#
- 1...Sf6
- 2.Sg6#
- 2.Be5#
- 1...Sb8
- 2.Sg6#
- 2.Be5#
- 2.Rg4#
- 1...Sf8
- 2.Be5#
- 2.Rg4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 17
- Sets
- R(d);N_GUARD::S(G)
- R(d);S_CUTB(g)::S(G)
- R(d);CHECK,N_GUARD::S(G),XR(d)
- B(g);N_GUARD::S(G),XB(g)
- B(g);S_CUTR(d)::S(G)
- B(g);N_GUARD::S(G)
- S(b);N_GUARD::B(D)
- S(e);N_GUARD::B(D)
- S(e);N_GUARD::B(D),XS(e)
- Actual
- B(C);
- Threat
- DUALS(3)
- Vars
- R(d);XB(C)::S(G)
- B(g);XB(C)::S(G)
- S(b);XB(D)::S(G)
- S(e);N_GUARD::B(D),XS(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).