MESON Chess Problem Database
Problem Display
PID: 108004 (1bRr4/3p4/5B2/R2Np2q/2BkP3/n2P4/K2P4/8 w - - 0 1)
Drejak, Marek
4th HM., Szachy, 1976
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Sc3?
- threat
- 2.Rd5#
- 1...Qf7
- 2.Se2#
- 1...Sb5
- 2.Sxb5#
- 1...d5!
- threat
- 1.Se3?
- threat
- 2.Rd5#
- 1...Qf7
- 2.Sf5#
- 1...Sb5
- 2.Sc2#
- 1...d5!
- threat
- 1.Sb4?
- threat
- 2.Rd5#
- 1...d5
- 2.Sc6#
- 1...Sb5
- 2.Sc2#
- 1...Qf7!
- threat
- 1.Sf4?
- threat
- 2.Rd5#
- 1...d5
- 2.Se6#
- 1...Qf7
- 2.Se2#
- 1...Sb5!
- threat
- 1.Se7?
- threat
- 2.Rd5#
- 1...d5
- 2.Sc6#
- 1...Qf7
- 2.Sf5#
- 1...Sb5!
- threat
- 1.Sc3?
- Keys
- 1.Sc7!
- threat
- 2.Rd5#
- 1...Sb5
- 2.Sxb5#
- 1...d5
- 2.Se6#
- 1...Qf7
- 2.Bxe5#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);
- Threat
- R1(F)
- Vars
- Q(d);N_GUARD,P_PINB(D)::S(G)
- S(a);N_GUARD::S(G),XS(a)
- Refutation
- P(e);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- Q(d);N_GUARD,P_PINB(D)::S(G)
- S(a);N_GUARD::S(G)
- Refutation
- P(e);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- P(e);N_GUARD::S(G)
- S(a);N_GUARD::S(G)
- Refutation
- Q(d);P_PINB(D)
- Try
- S(G);
- Threat
- R1(F)
- Vars
- P(e);N_GUARD::S(G)
- Q(d);N_GUARD,P_PINB(D)::S(G)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- P(e);N_GUARD::S(G)
- Q(d);N_GUARD,P_PINB(D)::S(G)
- Refutation
- S(a);
- Try
- Actual
- S(G);
- Threat
- R1(F)
- Vars
- S(a);N_GUARD::S(G),XS(a)
- P(e);N_GUARD::S(G)
- Q(d);N_GUARD,P_PINB(D)::B(H),XP(c)
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).