MESON Chess Problem Database
Problem Display
PID: 233443 (8/B7/p7/4r3/8/2kpnn1Q/bR1N1N2/2K5 w - - 0 1)
Lackner, Detlef
Freie Presse, 1996
#2
6 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Sfxe4#
- 1...Ra5
- 2.Sfe4#
- 1...Rb5
- 2.Sfe4#
- 1...Rd5
- 2.Sfe4#
- 1...Rf5
- 2.Sfe4#
- 1...Rg5
- 2.Sfe4#
- 1...Rh5
- 2.Sfe4#
- 1...Bb1
- 2.Rb3#
- 1...Bb3
- 2.Rxb3#
- 1...Bc4
- 2.Sb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sf1
- 2.Sd1#
- 1...Sc2
- 2.Sd1#
- 1...Sg2
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sd5
- 2.Sd1#
- 1...Sf5
- 2.Sd1#
- 1...Re4
- Tries
- 1.Qf1?
- threat
- 2.Qxd3#
- 1...Sxf1
- 2.Sd1#
- 1...Bb3
- 2.Rxb3#
- 1...Rd5
- 2.Sfe4#
- 1...Bb1
- 2.Rb3#
- 1...Bc4
- 2.Sb1#
- 1...Se1!
- threat
- 1.Qg4?
- threat
- 2.Qb4#
- 1...Sxg4
- 2.Sd1#
- 1...Re4
- 2.Sfxe4#
- 1...Rb5
- 2.Sfe4#
- 1...Bb3
- 2.Sb1#
- 2.Rxb3#
- 1...Bc4
- 2.Sb1#
- 1...Sc2
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...Sd5
- 2.Sd1#
- 1...Sd4
- 2.Bxd4#
- 2.Qxd4#
- 1...a5!
- threat
- 1.Qd7?
- threat
- 2.Qxd3#
- 1...Bb3
- 2.Rxb3#
- 1...Rd5
- 2.Sfe4#
- 1...Bb1
- 2.Rb3#
- 1...Bc4
- 2.Sb1#
- 1...Sd5
- 2.Sd1#
- 1...Se1
- 2.Bd4#
- 2.Qd4#
- 1...Sd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Bd5!
- threat
- 1.Qc8+?
- 1...Bc4
- 2.Sb1#
- 2.Rb3#
- 1...Sc4
- 2.Sd1#
- 1...Rc5!
- 1...Bc4
- 1.Qh7?
- threat
- 2.Qxd3#
- 1...Bb3
- 2.Rxb3#
- 1...Re4
- 2.Sfxe4#
- 1...Rd5
- 2.Sfe4#
- 1...Rf5
- 2.Sfe4#
- 1...Bb1
- 2.Rb3#
- 1...Bc4
- 2.Sb1#
- 1...Sf5
- 2.Sd1#
- 1...Se1!
- threat
- 1.Qf1?
- Keys
- 1.Qf5!
- threat
- 2.Qxd3#
- 1...Rxf5
- 2.Sfe4#
- 1...Sxf5
- 2.Sd1#
- 1...Bb3
- 2.Rxb3#
- 1...Re4
- 2.Sfxe4#
- 1...Rd5
- 2.Sfe4#
- 1...Bb1
- 2.Rb3#
- 1...Bc4
- 2.Sb1#
- 1...Se1
- 2.Qxe5#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(f);N_GUARD::S(D),XR(f)
- R(f);N_GUARD::S(D)
- B(a);N_GUARD::R1(B)
- B(a);N_GUARD::R1(B),XB(a)
- B(a);N_GUARD,SBLOCK::S(C)
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD::S(D)
- Tries
- Try
- Q(E);
- Threat
- QAR1(E),XP(c)
- Vars
- S(d);N_GUARD,XQ(E)::S(D)
- B(a);N_GUARD::R1(B),XB(a)
- R(f);N_GUARD::S(D)
- B(a);N_GUARD::R1(B)
- B(a);N_GUARD,SBLOCK::S(C)
- Refutation
- S(e);
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- S(d);N_GUARD,XQ(E)::S(D)
- R(f);N_GUARD::S(D),XR(f)
- R(f);N_GUARD::S(D)
- B(a);N_GUARD::S(C)
- S(d);N_GUARD::S(D)
- Refutation
- P(g);
- Try
- Q(E);
- Threat
- QAR1(E),XP(c)
- Vars
- B(a);N_GUARD::R1(B),XB(a)
- R(f);N_GUARD::S(D)
- B(a);N_GUARD::R1(B)
- B(a);N_GUARD,SBLOCK::S(C)
- S(d);N_GUARD::S(D)
- Refutation
- B(a);
- Try
- Q(E);CHECK
- Vars
- S(d);P_SPINS(d)::S(D)
- Refutation
- R(f);P_SPINR(f)
- Try
- Q(E);
- Threat
- QAR1(E),XP(c)
- Vars
- B(a);N_GUARD::R1(B),XB(a)
- R(f);N_GUARD::S(D),XR(f)
- R(f);N_GUARD::S(D)
- B(a);N_GUARD::R1(B)
- B(a);N_GUARD,SBLOCK::S(C)
- S(d);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Actual
- Q(E);
- Threat
- QAR1(E),XP(c)
- Vars
- R(f);N_GUARD,XQ(E)::S(D)
- S(d);N_GUARD,XQ(E)::S(D)
- B(a);N_GUARD::R1(B),XB(a)
- R(f);N_GUARD::S(D),XR(f)
- R(f);N_GUARD::S(D)
- B(a);N_GUARD::R1(B)
- B(a);N_GUARD,SBLOCK::S(C)
- S(e);N_GUARD::QAB(E),XR(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).