MESON Chess Problem Database
Problem Display
PID: 157331 (K2N3n/1Q6/R3pk2/1R2p1pP/8/7b/1BB2prb/6nq w - - 0 1)
Hjelle, David
Sachove umeni (Ceskoslovensky sach), 1976
#2
8 + 11
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.Bxe5#
- 1...Rg4
- 2.Rxe6#
- 1...Sg6
- 2.Qf7#
- 1...Sf7
- 2.Qxf7#
- 1...Rg3
- Tries
- 1.Ba3?
- threat
- 2.Qe7#
- 1...Sf7
- 2.Qxf7#
- 1...Rg4
- 2.Rxe6#
- 1...Sg6
- 2.Qf7#
- 1...Rg3!
- threat
- 1.Rxe5?
- threat
- 2.Rf5#
- 2.Rexe6#
- 1...Bf5
- 2.Rxf5#
- 2.Rexe6#
- 1...g4
- 2.Rf5#
- 2.Raxe6#
- 1...Bxe5!
- threat
- 1.Ra7?
- threat
- 2.Qe7#
- 2.Qg7#
- 1...Sf7
- 2.Qxf7#
- 1...Rg3
- 2.Bxe5#
- 1...Sg6
- 2.Qf7#
- 2.Qg7#
- 1...Rg4!
- threat
- 1.Ba3?
- Keys
- 1.h6!
- threat
- 2.Qg7#
- 1...Rg3
- 2.Bxe5#
- 1...Rg4
- 2.Rxe6#
- 1...Sf7
- 2.Qxf7#
- threat
- 1.h6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(d);P_PINQ(F),S_CUTB(e)::B(A),XP(g)
- R(d);P_PINQ(F),S_CUTB(f)::R1(E),XP(i)
- S(k);N_GUARD::QAR1(F)
- S(k);N_GUARD::QAR1(F),XS(k)
- Tries
- Try
- B(A);N_PINP(g),P_PINP(i)
- Threat
- QAB1(F)
- Vars
- S(k);N_GUARD::QAR1(F),XS(k)
- R(d);P_PINQ(F),S_CUTB(f)::R1(E),XP(i)
- S(k);N_GUARD::QAR1(F)
- Refutation
- R(d);P_PINQ(F)
- Try
- R(C);P_PINP(i),XP(g)
- Threat
- DUALS(2)
- Refutation
- B(e);P_SPINB(e),XR(C)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- S(k);N_GUARD::QAR1(F),XS(k)
- R(d);P_PINQ(F),S_CUTB(e)::B(A),XP(g)
- Refutation
- R(d);P_PINQ(F)
- Try
- Actual
- P(D);
- Threat
- QAB1(F)
- Vars
- R(d);P_PINQ(F),S_CUTB(e)::B(A),XP(g)
- R(d);P_PINQ(F),S_CUTB(f)::R1(E),XP(i)
- S(k);N_GUARD::QAR1(F),XS(k)
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).